Piaggio Zip Malossi 70cc Cylinder Kit Install & Tuning - Scooter Street
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- Опубликовано: 1 июл 2020
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The main jets 88 in the end, skip the video to 52:00 for a run down. After 2 weeks we followed up with a systems check, we finished the carby with an 85 main JET, Needle is an A22 Middle notch. 
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best tutorial i have seen in years great work!!!!
Thanks for your appreciation👏😊
My fav part is they aren’t using torque specs, I never been a fan of them 😂 always though who cares if it’s for my scooter
You guys make a great instructional video, it was just a pleasure to watch! ☺ I'm 66 and still fiddling about with scooters and other two strokes, mainly veterans. But my son has a Zip that got scored, so he's putting on the same Malossi sport cylinder. Already had the same exhaust, Leo Vince. So he was over the hill when I sent him a link to this video.. A very professional video production, and you blokes are entertaining. Thanks !
Thanks MrWhiteamin, appreciate the kind words mate👏 The Zip is an amazing little scooter, heaps of fun for street riding.
62 and still love building fast 2 stroke scooters
Two true professional's, great video footage and extremely well explained. Well done guys
Thanks Brett🙌 awesome comment!
i have been struggling with my vespa sprint for a while i normally only work on classic scooters but now thanks to you guys i found a couple of my bikes problems and got some really good tips. thank you so much!
Really good to hear this. We struggled for many years trying to pioneer solutions to the many problems these little scooties present.
Guys, massively appreciate the video. It was so comprehensive and I came out with a whole lot more knowledge. Thank you so much and I wish you all the best.
Amazing to receive such a complimentary comment, thank you Charles. All the very best for you too👍🦘🦘
@@scooterstreetauuu7
Great video, really shows how to get the work done!
Thanks Salttoo.
Well done guys, super happy with all of my purchases and support
Thanks for your support! All the best.
I've been pretty experienced tuning small 2 strokes with manual gearboxes. And I got myself my first ever scooter a couple months ago and it's been really hard for me to tune my rollers, clutch bla bla. This video is definetly very informative about how this stuff works. I am confident that I again can take upon the challange and get this thing running like it should.
Go for it! Test and learn, can't go wrong. Be warned, once you start it is hard to stop tuning.
NO WAY! I never been so proud to be italian like today hahah. Well done guys, it's so satisfing that Zip is loved till Down Under. I'm now subscribed :)
What a beautiful comment! Thank you Giuseppe Bonaviri. We love Italian Scooters in Australia🛵
@@scooterstreetau this is one more reason for me to come there 😁
Great feature length episode guys. Looking forward to seeing more similar content.
Who doesn't love changing clutch springs? 😂
Paul, thanks for the support :) More Vids in the pipeline.
Does this kit change your auto transmission to manual?
This is the best most clea,r concise instructional video i have seen on my bike. Its told me everything i needed to know in less than an hour. Thanks guys.
So cool, thanks Gt 6. Glad it helped🙌
Thankyou guys for a great video, step by step was great and seeing the work being done is great. many thanks again.
Thank you for supporting our Channel, Glad you enjoyed it😁
Love these videos guys, please do more projects like this!
Thanks for your support Markas, we try to keep the videos coming.
Excellent ! ...well done ! 👍
Thank you👌
Reminds me of the old days. One day i walked up to the nearest motorshop i always got my stuff. Walked up to that guy and asked him that i was looking for a Polini EVO 70CC for Piaggio. Back then the kit to have (15+ years ago or so). I saw his eyes grow and the next thing he said to me "What the Heck do you need that Kit for??" i imediatly realised i was not going to get that Kit at that time. His reaction on my question was priceless, something i have never forgotten. :) At some point i ended up having the desired kit and it was great fun. Just dont get caught when you run it in the streets.
Good story Johan, 15 years ago only Scooter tuners would have known of these parts😜. The first time someone asked me if I had any Polini stuff I pointed towards the fruitshop down the road.😂
Excellent, knowledgeable, concise video.
Thank you🙌
The inlet plate in the carburettors mouth (brass plate) is not a restrictor, it’s actually serving its purpose delivering air flow into the right areas of the carb through the air holes. Often people believe it’s restricting the flow of air, but after performance parts get the jetting right with this little plate still in you will be onto a winner👍🏻 try with and without you’ll notice the sharper response and reliability from keeping the plate as is
Thank you, really appreciate your experience... keeping it in does give better fuel consumption👍
Thats the most cleanest zip 2t i have probely ever seen in my life . All the other ones got damage or are customized. That exhaust is pretty good though. Would not have expected that.
Yes it was in new condition and all original. Very rare indeed.
you havent been to the Netherlands yet haha. Pure machines here
@@StanGlasius well hahah i live in the netherlands😂 and yess we do have some but not like this one. We do have very tuned ones indeed
@@Pp-sf6ws ja dat dus hahaha gekke 180 zippies vliegen voorbij
@@StanGlasius exact😂 vind het ziek. Maar ook wel jammer.. mis die full 70cc zippies ook wel
Jeez boys, I had my fist in my mouth whilst you were torquing that head down. Great video.
All for the love of scooters😉
Great pace and nice detail thanks
Thank you👍
I've got my Zip 50cc cylinder up to 75km/h on the flat (modded Carby, pipe, clutch, variator and I'm rather light) and suspension isn't Ideal lol, very light forks have almost no road holding through bends, currently working on an SP front end swap...It's fair to say this lil thing scares me more than my other bikes simply because it feels like it's gonna crash every second corner 😂
Nice work. Haha yes the steering is lost when riding the Zip. Set the seat on the lowest position and hang on..
Pipe? Exhaust right? Not familair with how they name the parts in english.
@@emirhan030 yes, the same meaning👍
Hey i have a piaggio zip 2006 mod everything stock what would you recommend doing with it?
In this video, if you follow what we have done you will end up with a very fun, fast little street machine. The build in the video was based on s tight budget so we did not go overboard with super expensive parts. Just a strong foundation which delivers good power and overall value for the ride.
@@scooterstreetau i have a problem where i splited the engine case and changed the piston and crankshaft but now the case wont fit? The case wont close fully i think the case is touching the crank bearings I have a doppler endurance crankshaft.
@@mosebootyclap160 Make sure the Crank shaft is pressed all the way into the cases.
you guys are freaking legends! awesome vid!
Thank you for the great comment and for the view👋🌟👌
@@scooterstreetau no problem at all. I just got a zip and have purchased a few products from you. I hope I got the right ones. Just going to do the rollers, jets, clutch springs. Got a Leo Vince off a friend too. Was going to hold off on the 70cc kit for now to save some money. Hopefully it all goes well.
@@generalr6398 Ok thank you, use the vid above as a guide..
Great work lads!
Thanks Levi, glad you enjoyed.
does the piaggio zip have the same engine as the aprilia sr50 2019?
You probably noticed apart from the water cooling system on the SR50R, the base of the 2 engines are the same. You will notice between the Piaggio/Aprilia 2T models they look the same but each model has a different transmission length to accommodate the rear wheel, this includes each model running a different belt size to connect variator to the rear pulley.
I believe 2019 SR50R has the new Euro 4 emissions system also, which uses a different carburettor, stator, coil and CDI/ECU. It also has the larger temp sensor on the head, and the solenoid air valve for the electronic control of the carb.
@@scooterstreetauwith the length difference would it be worth sourcing the longer transmission to help with wheel lift?
Yes if that is the goal.@@jaredpursey3791
Wow had a severe case of nostalgia kicking in watching this, i’m from belgium and almost 38 but was doing the exact same thing since i got my first mobilette called the honda camino at the age of 16 , ended up going to school learning all of it and not just placing parts etc, now after 2 strokes i suffered at 34 wich paralized my left side so its kind of hard to watch without feeling the pain of damn the days where i was ok but it feels great!, you got yourselves a huge fan!, in my days it was either the dick ring or just dick for the exhaust🤣 how are the laws on tuning scooters in australia? We had cops stopping you randomly where they were standing near a random road with a portable speedometer to check 😫 they confiscated it to give you permition like a month or god knows how long to pick it back but with all the illegal parts removed for you by their own pissed off mechanic if you catch the drift lemme go check your ig out peace!
Gday mate and welcome, Great comment thank you! See you're never alone😁😂.In Aus we do not have these rules, the country only adopted emissions rules 12 months ago.🦘
Wow and the Cops remove the parts? Hard core.. Over here no such thing, only speed and Hooning laws. All the best🛵🛵
Great video!!! Like the finished bike!!
Worked out very nice for the owner, thanks for the love😉
what a great vlog, love it
Thanks so much for the comment, all the best👍
Great vid Guys💪💪 i have a zip SP 98 model with 180 2stroke Piaggio engine swap great job im from Netherlands ❤️much love💙
Thank you! That Zip of your would be very satisfying..wow.
@@scooterstreetau yes in deed my friend 👍
ruclips.net/video/TLWu62PJ-eA/видео.html
Just to be fair, I have enjoyed thoroughly the video and brought fond memories back :)
Just to point out when you talk about "this isn't ideal to go super fast" perhaps you ought to know that there is a quite active racing scene where these little buggers go up to 160 Km/H
Thank you, and yes we are aware of the Zip race series. Are the race Zips the SP water cooled version? This one is air cooled base model version.
@@scooterstreetau Absolutely correct, the SP is the water cooled one, but to the best of my knowledge it should be possible to convert any version to liquid cooling: the only hiccup would be with the clearances in the leg shield trim, as there's a storage compartment that would interfere with the radiator's positioning. For the sake of honesty though, I'm not going to vouch about the accuracy of the info, it's something I recall from when the SPs where just hitting the market in Italy some 10+ years ago
@@LucaFiltroMan We have done this conversion. We took an air cooled Zip and fitted the Radiator with electric water pump, cooling hoses and the water cooled racing cylinder along with many other tuning parts. We also changed the front panel and fitted a genuine SP front cover so the incoming air could meet the radiator. The performance was as you described, Ridiculous power!! This was an expensive project... We lalso did the Superman theme custom paint job and it did fly🤣🤣.
my zip mk1 have top tpr and the squish at 0,7 goes great.Nice video
0.7, very good👌 and thank you.
Please support us and SUB..'
this definitely needed a malossi variator and gear up kit for better top end but wikid video reminded me of my youth i had a 70cc gilera runner that did 75mph + with these mods + the gear up kit and malossi variator.... but yeah great video 😉
Haha the good Ole days.. yes fit more , get more agreed. The Runner would have been mad with those speeds. Thank you for the Sub.
Great videoes and work ive been races kx 500s quadzillas and turbo street/street bikes for 30 yrs now and im loving these little 2 stroke rippers and builds i may sell two of my big bore bikes and get 5 more of these 2 strokes i just picked up a yamaha qt 50 and a yamaha riva lol
Glad you like our videos, thank you for watching and your comment. The small 2 stroke are too much fun, it feels illegal😂
the "emission controller" is actually there to provide a certain amount of oxygen in the catalysator that is in every single stock pipe in european bikes, and theres a check valve so that the exhaust gasses dont go into the variator case or where ever the pipe takes the air from
So wanted to see it go after all the work, best vid ever thanks.
Haha yes sorry. Thanks for the support ☺
Thankyou so much lads helped me alot !!!!
Awesome, great to hear..
Nice video guys thanks, i recently buy a zip 2t stock!
Where is the serial VIN?
In the glove box.
Good choice! Great place to start, 😍 ZIP
Thanks brother! Im almost there! I got my sip running lile a beauty with this video and i have never touched a tool before.
I cimmented before and you answered.
Im lamost there brother!! Messing around with weights i have 6.5g at the moment. Think i will try 6g and contemplaining to put the malossi fly clutch with bell on.
Great stuff, very happy for you😆. Note: The lighter rollers will allow the engien to rev easier but go too light and you will loose pulling power through the mid range. Fitting a clutch or fitting tighter clutch springs will make a positive difference to the rpm build and the initial acceleration.
@@scooterstreetau im so happy for your existence and that you made this video 💯❤️ you helped a man on the other side of the world literally 🙏🙏🙏
Ill put in the clutch tomorrow and i will order some new clutch springs and some contrast spring? I thinks its called 👍 anyway big big big love 💯❤️
If you were in Sweden i would fuggin hug the shit out of you brother ❤️❤️ keep doing this kinds of video and i would love to see some more build from you guys 🤔 sorry for long comment but you really saved me, my man 💯💯💯🙏🙏🙏🙏😇😇😇
😂😂That is awesome, the reason we make this channel and you are a perfect example🙌, We have great success with the polini clutch, it is adjustable and aloows fine tenson adjustment.@@Pasteria8
@@scooterstreetau i only need to build hangers for all of my pipes to try out now, stage 6 mk1 , laser x pro and a gianelli reverse. De build hangers take longer time then anything else 🤣
But yeah!
If anybody reads this! Go for it! This video is a very very very good tutorial on how to do stuff! Only thing is that im lefthanded and assume the guy in the video is right handed bcuz of sometime when he said do from this side cuz easier angle, sometime is opposite if you are left and its possible from the other side, just a side note 😅🙏
Thank my brother from AU 💯❤️
I have the stage 6 pipe on. I have 70cc malossi sport i have malossi fly clutch and 6g rollers.
What is the final steps now to get it adjusted right?
Great job!
Thank you Air Man🦘👍🦘
Hi there,
Just wanted to ask a quick question: Does the 70cc Malossi Sport piston rings have any particular position where you placed them on the piston as I cannot see no markings at all on both of the rings.
Thank you.
Both rings are the same, so the position can be top or bottom. Read the instructions if unsure.
Best tutorial on youtube
Thanks Beau😲👍, glad you liked it.
37:08 i have a 70cc AC Athena Racing kit for my zip and the squish is 0,6mm. Moreover, a very informative video!
Wow, thats a very tight squish! The Malossi MHR Team racing cylinder reccommends no more than 0.7mm squish. Thanks, glad you liked it!
70cc ac athena racine kit for my zip
putting this this kit on my gilera ice and watching the steps as I do it, you guys have done an amazing job very easy to keep up with, I'm putting on the malossi flip exhaust and a dellorto 19mm carb and multivar 2000 variator kit. do you mind of I imbed this video onto our forum? cheers from nz Terry
Thank you so much! The extra parts youn are fitting will be on another level. Yes please go ahead and link the forum. We are trying to get more SUBS and views, much appreciated.
Very nice video
Thanks Dom, appreciated🤙
great video
Thanks! Glad you enjoyed🙌
Have a question regarding if possible to change my vespa et2 from AC to DC so I could turn the entire scooter lights into LED including odometer lights cannot seem to find a good tutorial video anywhere to even see if it could be done?
You can buy the change over LED globes and they run from the same connections as the existing globe housing, very clever.
Perfect video easy to understand explanation, I’m looking at modding up my tnt Roma 2t I believe it has a Yamaha 2 stroke, would these parts (mainly the exhaust and cvt parts) be easily compatible with it? Thanks!
Glad it helped and appraciate the veiw and comments🙌 The Roma is Minarelli based (Yamaha) so look for these parts. There are many around.
Really enjoyed the explanations and video.
Wanted to ask is there a needle position that needs to be changed or just changing the main jet?
Also Iv seen other engine building videos with cars they don’t use oil in piston or cylinder they use WD40 because it lubricates it until the heat burns it off to commence breaking in between rings and cylinder.
Lastly I was in Thailand and saw someone rebuild a 125 2 stroke he disconnected the oil feed to the cylinder to break in the rings initially have you heard or seen this done?
The main jets 88 in the end, skip the video to 52:00 for a run down. After 2 weeks we followed up with a systems check, we finished the carby with an 85 main JET, Needle is an A22 Middle notch.]
For the WD40 question, 4 stroke system is different, the 2 stroke system has oil and fuel in combustion so it might be best to run with oil...
Enjoyed watching the video Iam wondering how much of the performance increase was down to derestricting the carb would like to have seen this before fitting the exhaust.
Thank you mate👍. If you derestrict the carb only there will be no noticeable gain, due to the balance being over weighted with air. In effect you are giving too little fuel. We want an increase but a balanced ratio of fuel and air. Thanks for the SUB🎅😎
Great video guys. Thanks from the UK, please let me know if you had to move the needle clip.
Hey thanks henryhaxby, see the description for the tuning points. we start with needle clip in middle position and we leaft it in this position.
Nice video! I though you could help me, i changed my piston 5 times this year, always when i open the cylinder up, i see metal shavings inside the cylinder, and the cylinder is scratched, what could be the problem? Aprilia sr50 mk2 lc with 70cc airsal kit
What carby and jet are you running, is the oil pump working properly, so many questions??
Doing a similar build this week!
Unsure if to get a new cast iron kit or a mhr kit second hand but it has a brand new piston with it
If the MHR is in very good condition, value hard to pass on that.. if a first build go for cast.
Please do more like this. Also could you do a wheelie build on a zip or another scooter
Always trying. Time is our Kryptonite.
Best tutorial ive ever seen i think lol
Ah thank you mate, support is appreciated🤘
I have some questions, what is the brand of those yellow clutch springs, because I can't vind them on the Internet, and what kind of compression spring did you put in de scooter.
Hi, You can find all the parts here --- www.scooterstreet.com.au/product-category/piaggio/piaggio-zip-50/
We used the Leo Vince clutch springs. Malossi have the Yellow springs. Original Torque spring.
Hi guys hows it going great video I’ve got a standard 2011 zip 50cc the same as the bike you have here I have bought and installed a Leo Vince exhaust (same as one in video) and the blue clutch springs that come with it also some 6.5 gram mallossi rollers I have also put a 62 jet in the carb the bike starts and ticks over but won’t go more than 10-15 mph could this be just down to carb tuning or is it something else ?🤷🏼♂️
Hi Jay, Thank you👍 Always a good idea to have the scoot running well first. If there are any issues, correct them before proceeding. Is the Leo derestricted? Is the engine spluttering or does it slowly loose power?
Move the needle to the middle notch, Try the 60 Main jet. Report back👍
which cluthc spring set did you use, and which do you recomend?, i have the same zip, what are de dimension of the new rollers? (size and weight)
We used the Blue springs for the clutch, this is the set provided with the Leo Vince exhaust. You can also use Malossi spring set, White or Yellow. Malossi Rollers 19 x 15.5 6.5 gram.
Nice video brother! cheers!!
Thank you, you have great video too👍
@@scooterstreetau Thank you so much brother! cheers!
@@scooterstreetau Thank you so much! Godpseed
@@2TLifesTV 👌
@@2TLifesTV 🎅
Brilliant video. Am after a bit of help with my zip my set up is stage6 70sport kit
Stage 6 variator with 5.25 gram rollers
Leo vince black edition race pipe
19mm carb with a 95 size jet malossi gear up kit standard crank and standard clutch set up the needle setting is 2nd from bottom standard reeds with a bigger inlet manifold the thing is the engine is spluttering on set off but as the revs build up it seems fine and is very quick. Any help would be much appreciated Cheers
Thank you Joe🙌 Let the engine warm up to operating temp before making a judgement on the tuning. Is it auto choke or manual choke?
Great video guys , question please, my son has a gilera storm, had all the 70cc mods , plus gear up kit etc , also unrestricted coal, cdi, and lots more , the question is the main jet in his 17.5 carb same carb as you have shown in your video is only a 56 , and you have used a 88 , all the work on our bike was done at a scooter shop , have they forget to change the main jet ? Or do you think a 56 jet is ok on a 70cc. Hope you can help us , many thanks !
In our experiences, if we did not make the change to the main jet the engine would sustain damage due to overheating, lean on the fuel mixture. It is always hard to comment on others work so ultimately best to check with the installer of the parts, they may have upgraded the jet or had a suitable reason not too.
The zips are very nice you don’t see them in the USA often I bet they would sell fast here
They would have been a huge seller in USA.. Very popular in all markets.
Hey man! I saw on your Yamaha bws rebuild video you just put on here that you used the molossi multivar variator on it but you put thAt small black washer behind the variator. I didn’t know that. Does it have to be behind there. What’s it do?
Hi Nate, So this question relates to the Zuma engine video, and also includes any Malossi Variator kits that come with a black metal spacing washer. The Malossi kit 51 7075 has 2 washers and for the Zuma fitment the 2mm washer MUST be fitted to set the correct spacing for the variator assembly on the crankshaft. In the above video which is using Piaggio engine you can see the spacing washer on the crankshaft at time position 9:35
Good work👍 🇮🇶
Much appreciation👌
do the zip 50 2t 2017 have A RESTRICTING WASHER ON THE VARIATOR SHAFT?
Yes, between the 2 driving faces. It looks like a simple wedding ring.
I need to make similar applications to my NRG50 liquid cooling. But 50cc and Unrestriction is enough for me actually. These parts are fine for me or I need different ones?
You need to make sure you order the correct parts for the NRG. Some exhaust manufacturers make exhausts that fit all Hiper2 engines (Zip, Typhoon, NRG ect..) and some have specific fitments per model. For instance, Leo Vince make a specific exhaust for the NRG, which is slightly different to the Zip. The cylinder kits are obviously also quite different due to air cooled vs liquid cooled. Most of the parts in the engine are the same.
does this apply to a gilera runner sp 50 LC? im not quite sure and cant find a definitve answer, but does lc stand for liquid cooled?
Usually LC stands for liquid cooled yes. The only difference between the two from a tuning perspective is the liquid cooling.
I want to install the leo Vince tt exhaust on my completely stock 2017 aprilia sr50r and Im just wondering if I copy the exact way you installed it same jet size and rollers etc would it run the same and if not do you know what parts I should use? I’m a new rider so any detailed info would help thanks
HI Ally, Each scooter is different and will require it's own jet size and roller weight. There will be a formula that works best for each individual scooter. Would be best for you to follow this video ruclips.net/video/kFr0nwXf448/видео.html and this watch these to help give you an overall idea.
ruclips.net/video/hUZ8eqIRFCk/видео.html&ab_channel=ScooterStreet
ruclips.net/video/ZANXyeNGPsk/видео.html&ab_channel=ScooterStreet
ruclips.net/video/2XRQ-5nqKlg/видео.html&ab_channel=ScooterStreet
Hope this helps.
im a little bit late but great video! The only thing I guess you forgot to say is that you should place the opening of the c clips on the top or the bottom because from the movement of the piston it will get pressed together and eventually will fly out and damage your zylinder and piston
love from Germany
Better to be late than never, thanks watching🙌 and thanks for the tip! We discussed this in the piston replaement videos.
Really interesting video, watched the whole thing. One question (which I couldn’t find in other peoples questions), would it be the same process for the Vespa 2 stroke 50cc? Thanks and greetings from UK
Hi, and thank you. Yes the Vespa 2 stroke and the Zip 2 stroke are the same engine..👍
Experts who explain fully .
Much appreciated🙌
This titorial made me have the balls to buy a 70cc malossi sport to my Piaggio zip 02 2t... Finished it yesterday and tried it on today. I listened to my friend regarding to the jet, he told me mid 90s but i habe a 96 now and i cant even lile gove it more then 1/4 of gas before it starys to like blurr and lost power . I will try a 88 jet tomorrow.
And also order a weight kit. I already have a jet kit.
I also have a malossi fly clutch with bell i have to put on. But thinking i had to run in the new malosssi cylinder first?
Thanks for this video much appreciated ❤❤💯💯
Well done! and a great achievement to have a go, I am sure it will be a success. With the basics, only ever change one part at a time, cylinder first then a quick start, then start the jetting. Start at your 96 and then move down to the 92-90-88 and when it becomes clean on throttle go back up 1 jet and ride it for a fuel tank and then retune. Yes you will notice the revs and movement may not be at their peak so leave the rollers and just add tighter clutch springs or the Mal clutch. and then again test ride and let it settle, adjust as necessary. Then repat with the next part and so on🚀
I currently have a yasuni r exhaust, malossi front clutch, polini back clutch, malossi cdi, and my carb is tuned. I want to upgrade to a 70cc malossi sport block but i need to know if im gonna need a new racing crank to go with the malossi 70sport block
It depends on what model scooter you have, but generally not unless you install a racing cylinder kit. If yours is a Piaggio engine like this, the factory crank is very strong.
There are two types Dellorto PHVA 17,5 models.
A modified "low emission" type named "OD" with a fat needle, smaller cut away and different needle jet (emulsion tube)
The other one is the "normal" one named "TS. Thats the one to go with. Much more easy to tune in, especially in the middle range.
Thanks EnergyXyx, this is great information🙌. There are more than 11 PHVA in 17.5mm range. Parts change between them such as the slides, needles, atomisers, jets and so on. Heaps of info on Dellorto Uk website for anyone needing.
@@scooterstreetau yes there are so many models, but just stay away from the bad Euro4 - OD models. The good ones often comes with A20 needle and a 40 degree cutaway throttle slide.
Thanks for sharing🙏@@EnergyXyz
Thks four your excellent job I have a Piaggio Zip I like to fix a Malossi 70cc kit on I have a Sp3 Liovince exhaust de restrict can you please let me know whitch carburettor jet size is work better thank you very much
It would be somewhere between 80 and 90. You need to get a range of jet sizes (jet kit), start at around a 90, test ride, reduce to the next size down, repeat until the bike runs cleanly. Taking a shot in the dark on a jet size is very commonly the cause of piston seizure.
with the exhaust installation, i saw one of your videos that they have a restrictor in them. did you guys remove it before installing?
Yes we do, otherwise you will not optimise the potential power of the exhaust.
Really interesting video! I have a Piaggio Fly 50 4T 4V - gets up to about 60 kph. I want it to go faster - am I better buying a 125cc? I’m not mechanically minded at all. Any advice appreciated. Thank you 🙏
Hi Ashley, Thank you. Yes you should buy the 125cc or higher. It is expensive to upgrade the 4 stroke engine and the end result is not as good as the 125cc.
Great video guys, im just about to tune a zip myself, did you guys remove the restriction from the exhaust on this setup?
Tahnk you👍Yes.
my 2006 zip doesn't have an emissions part fitted ... i like your upgrades !!
Yes the early Zip was PURE. Thanks for watching🙌
Hello I have a zip 50 2t 2018 I have derestricted however I took of the air duct with goes over the air box. I have no clue where the opposite side goes do u think you could help
The other end just sits on the frame, it stays open to allow air to enter and not connected or closed off..
The best video. You are the best! But tell me, at a 2001 Aprilia Sr 50 AC I manage to do it on the street combining with a 70 cc Malossi engine set, with an RMS trim ?? Thank you. hello from Romania.
crankshaft RMS
Yes you can do it.. Thank you for supporting us👏
Hi i just put on the same Leo vince on my zip, and the rollers and springs that came with it. It works fine the 1-2 i accelerate but struggles to accelerate when its warm, but when it gets up to speed it goes. I have tryed to mix the rollers and i have also tryed 60-62-64 jets and it still has the same problem. What should i do?
Scooter Street
4 hours ago
If it were me I would fit the springs first.
Then use a 62 jet. have a soft ride for 5 minutes to come off choke, then rev it hard, if spluttering go to 60 and then repeat until carburation is clean.
Now move to rollers. Start with Factory which is 7.5G, move to 6.5. If an increase has presented then move to 6 gram. Repeat.🚀
Hi guy’s, great video. I just picked up an 09 Aprilia SR50 Ditech. Lots of discussion about proper spark plug, what is your opinion? Scooter is unmodified-for now. Thank you.
Thanks mate. We use the spark plug ZMR7AP or you can use a CPR8E. You should change them often.
Did you have to Remove the old oil tank to mix the oil or did you have the oil tank left?
The scooter was running before we started the upgrade process and the oil tank had sufficient oil level to complete the job.
Did you have to adjust needle jet or leave it set as per factory and did you have to derestrict the cdi.
See the Pinned comment > The main jets 88 in the end, skip the video to 52:00 for a run down. After 2 weeks we followed up with a systems check, we finished the carby with an 85 main JET, Needle is an A22 Middle notch. An A 21 needle makes a smooth throttle at the lower RPM😎
Which jets do you recommend on piaggio zip 2t, with a tuned exhacust, and a polini clutch, and all the limitations is out?! and my carburetor is a 17.5 mm...
Buy me a coffee and I'll help you out as much as I can.. See home page for the link.
If i just buy the exhaust, if i buy 3,5gram rollers and really stiff clutch springs. Would that work and what would happen?
3.5 gram are very light! For me too light..
make a few runs then check sparkplug readings again.but it looks ok,porcelain parts should look almost clean.ofcourse listen to the engine.im using polini cp 17,5 carb mj 80 with naraku 70 ,stock exhaust which i need to upgrade.stock airbox with malossi foam filter.ofcourse the mj setting depends of the airbox size too.
Nice! This scooter is still going well after 4 months.
Hi! What malossi clutch spring will you use on fly cluth with this kit and yasuni r ? Thanks so much
You need to be around the 3000-4000rpm range and this really personal preference. I dont use them personally, I much rather use and adjustable clutch with has more adjustable range.
Honda Bond. On everything.
Hi from the USA 😅
Hey Bro🙌
Well actually when u upgrade ur motor and motor parts u have more power so actually you should put less stiffer springs on the clutch cause the motor has more tork and doesn't need to stard reving verry high before clutching the wheel just so u guys can know
Hey Alixglow, whatever works for you and what your riding style is, so go for it. Good to hear your comments.
We would apply a stiffer clutch spring set to delay the engagement of the clutch. Some of the race brands have designed a HIT clutch which allows the rev to build and then the clutch will engage to boost the initial acceleration. If you have less tension on the clutch springs the clutch will be engaging at idle, have seen this many times before.
Makes the new reeds a big difference when it comes to acceleration and top speed. Are they better than the original reeds with this setup?
The Carbon reed petals give a snappier response to the throttle action which enhances the engines rpm over the initial twist. The reed petals are provided in the Malossi sport kit for Piaggio. Some performance reed valves are larger and allow more fuel mix to flow.
What jet would you recommend I have a 50cc stock zip with a pm tuning 360 pipe 17.5 ml carb
I'm not particularly familiar with that exhaust, but we always reccommend starting with a high main jet, and working your way down. I would reccommend starting off somewhere around a 70 jet, and working down from there with test rides in between each jet change. When it stops spluttering, and rides cleanly with a good colour burn on the plug, its good.
Hi guys,
What scoot would you recommend for a 50cc 2 stroker scooter thats on the market today that can achieve that "super quick" status you talk of?
Any water cooled 2 stroke. In Aus. not a broad range. Aerox, SR50R. otherwise Zip.
Hi I have a zip 2 stroke with a de restricted pm360 pipe I am running a 19 or 17.5 carb with stock air box and the 70 kit featured in this video what are the best jets got this
I already have yellow clutch spring
Brand new variator malossie with 7.5 rollers
Just need to know the best jet to run and do I change pilot
And what are thefe best air screw turns and idle turns
Hello Jr Vlogs, thanks for comment.
You can try slightly lighter rollers. 7g.
The air mix screw should be 3/4 - 1 turn out. Do not adjust this in an attempt to tune the carby, this is standard for 50cc or 70cc.
The main jet is 88 for 2 week period, skip the video to 52:00 for a run down.
After 2 weeks we followed up with a systems check and retune, we finished the carby with an 85 main JET, Needle is an A22 Middle notch. We did not change the pilot jet. Your scooter will need to be tuned for the parts you fitted. Do not accept what we used as the final word, tune it as your engine requires👍
Hi, i have a Piaggio Zip from 2016 with a yasuni r, refrigerated by air. I have a budget of 100 euros what would you recommend me to buy
I would go for: Jet kit for carby 58-72. New rollers, 5.8- 6.8 Grams. Clutch spring set 1500-200rpm tension. or new performance clutch. Save up for the cylinder kit👍😎
do you know if a athena racing 70 liquid cooled needs a spark plug with a long or a short thread? i cant find it in any manual
Sorry I am not sure, measure the factory distance and compare to the Athena.
I have a 2018 Italika DS150G Scooter and like to know where I can get costume parts for it like that muffler you are showing
I'm not super familiar with that model in particular, but it appears to be a fairly standard Chinese 150cc, which use a GY6 base engine. There are a few performance exhaust around for that engine, however they do tend to vary slightly from manufacturer to manufacturer. Most of the performance exhaust brands don't make exhausts for them for this reason. If you're fairly confident with tools, or have a mechanic who is, the ebay or ali-express GY6 performance exhausts will usually fit with a bit of adjustment.
Hi guys. Love your work. What’s roughly the cost of the pipe and clutch/roller upgrade for a TGB 50? Cheers
Thank you very much🙌. Approximates.. Pipe $300, Clutch $130, Rollers $30. Check out the TGB page on the Website. www.scooterstreet.com.au/product-category/others-50cc/tgb-50/
Hello boys I got a yam neos 02 2t 50cc it's got a Doppler variator and s3r pipe motoforce 70bore better reeds stock 12mm gurnter carb 70 main jet but my issue is it goes well to 35 but then the revs drop off and it don't have the power to pull them back up i got it with blue clutch and blue contra but I tried yellow in yellow and a friend said there too stiff I've got a stock in the bike now but I don't feel it's the issue have yet to ride it like it it would pull away really well with the yellow springs had a bit of bog but it'll pull well once cleared only minor but it'll fly from 0-35 but then it struggles I got a naraku 17.5 and a dellorto 17.5 similar to yours but I need to run a longer throttle cable will the jetting be the same your 17.5 stock carb runs 62 jet same as my 12 gurnter I can also upjet I'm using stock airbox with filter any suggestions or help is highly appreciated
Sounds characteristic of a lean main jet
I was thinking about doing a 70 swap on my Keeway, would i need to swap the crank or would the stock crank work fine?
Based on the Minarelli engine so you should be fine, just make sure there is no damage or wear on the crank and main bearings.