PREBUG ZUMA ENGINE BUILD off to BAD START….
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- Опубликовано: 19 авг 2024
- Not off to a good start with the new prebug engine build. We opened up the engine cases, installed the new crank and threw the bore on. When we went to air leak test we found a not so fun surprise!
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NEW #MOPBOYZ GEAR OUT NOW!!! : www.mopboyz.com/
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PREBUG ZUMA ENGINE BUILD off to BAD START….
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i BOUGHT A CHEAP ZUMA and iTS BLOWN UP!
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MBK ZUMA BWS BOOSTER malossi polini Авто/Мото
this is why it’s important to air leak test your motors boys. could’ve been fighting an air leak or caused more damage otherwise !
hey @mopboyz would a 89-01 Zuma prebug motor fit on a Yamaha razz? I have a 2000 razz and looking to swap it
NO SHOT. I had the same thing with my stage6 mk2 cylinder...lucky enough pedparts here in the uk was able to get me a warranty, it took 2 weeks but I got sorted out. it's very rare malossi, stage6, polini make these mistakes as their QC is normally top notch. this is why pressure checking is vital, I know a lot of people what don't check for leaks, squish clearance etc
smh
the QC in the last few years has gone to Shit. I had a malossi bore recently that needed over an hour of Clean up just to get it to where. they used to come out of the box SMH
Love watching the prebug builds
always a good day when mopboyz drops a vid
Bummer. Nice clean up job. Old man mop
I never would've thought a Polini cylinder like that would pass quality control, but the flaw is in such an odd spot, I can see why they'd miss it.
hard one to see but i agree
You would be surprised malossi is worse
Hi been a while sence I have commented on the gy6 160cc big bore kit lasted 500miles before the skert cracked.went back with a high compression 58mm cyclender kep the 60mm head my motor now runs way better with out over heating.
Looking forward to it ✌️
I watch tf outta your videos at work. right on time too lol.
Polini mint boyz 👌
Good catch
Damnnnn, now I know where the last starter delete plate and blue str8 oil plugs went🤣🤘 Other than the cylinder situation she’s gonna be a ripper when she’s done😎 Just did a Polini Crank and Contessa kit on mine this past weekend
Next time instead of polini corsa/racing. Buy the mhr replica alu kit its around the same horsepower but the acceleration on the replica is way better man. Hate cast iron for breaking in
I've been running a polini Corsa LC with raised exhaust port for 3 years in my Gilera DNA now still running solid, excellent quality I'm surprised this made it through polini quality control tbh
Minarelli ftw
Awesome videos I just bought my first Honda pcx 150cc I also have a 200cc Suzuki Burgman keep posting videos I learned a lot from watching your scoot vids thanks.
ive seen it with athena, malossi polini, mxs, stage6. happens with them all now and then, air bubbles in the casting
You should really get a sand blaster
i should
It winter time where I’m at but man you make me wanna say fuck it and bring her out to ride 🤞🏾 man! I need another bike to build tbh but I might tear mine down and overhaul it to be ready for the summer 🙌🏾 the content fire as always 💯and yeah that hole is not on you its diff a cast flaw as you said
get that thing freshened up for summer my bro
Stage 6 or Athena in this house 💪💪💪
i lov it and super clean motor bro 🤩🤩😍😍
Damn i never saw a casting flaw like that, thats crazy
Was watching this cool Honda ez90 cub offroad scooter and wondering would you happen to know what 90cc 2t engine Honda used in that? Im guessing they would not have had many options in the early 90's with those specs. Did they made a 90cc Dio or something similar.
PUSHING P(rebug)
also its crazy how the lowest tier of cylinder kits like that polini in the us costs 300 bucks and here its 120
SO NO HEAD?
@mopboyz i was watching some other videos of putting a big bore kit on and the use a drimmille inside the casket where the holes are so the rings on the piston it wont crake the casket is this a must?????
was hyped until i saw the crack..
same
Really tough trying to get in touch with you to buy parts from you and a little advice my son's reached out to you and you still haven't respond
i don’t have any parts forsale besides a few plastics for 89 elite e currently. it’s hard to respond to all messages as i get about 100 dms a day my man! sorry if i didn’t respond
Bout to get a bugeye do they have the same motor as the prebugs or what do I look up to know I'm getting bugeye parts and not prebug?
Damn how long did it take you guys to clean that motor ?....I think I found your bad luck peep homies name below me 🤔
only like 10/15 min of some elbow grease
so did it come like that or is the porting pal in trouble?? lol
You NEED to try a malossi sport 70cc i run its very good runs like a beast
i have on a couple engines , it’s decent but not close to the performance of a polini corsa or s6 mk2 etc
@@MOPBOYZ true but my zuma is my daily ride so good for everyday abuse these cc i also have my dragbuild with a stage 6rt mk1 70 its fun to those old mopeds its a thing that most people wont get unless they drive it
A lot of people getting the cast jobs and finding they are way out of spec Athena is another Italian company ya know lol Js
Do some 4 strokes please
do you still own the puch
yessir
@@MOPBOYZ i got an idea for it what if you engine swap it with a banchee engine get a wide rear tire and keep the slim front tire or swap a Yamaha aerox / mbk Zuma engine in it with a wide rear tire and a slim front tire could be a cool project banchee swap would be crazier sinds it got so much power + Puch frame and stuff being light weight and a wide rear tire and thin front tire would be cool to see
QC has gone to shit from what it was 5 years ago............. The best casting, straight out of the box i have seen lately, have been Budget Naraku's lol
First
What did you use to clean the motor?
super clean from auto zone
i hate prebug/zuma name, its Yamaha Bws or Mbk booster
Yo bro do you have snap? I would gladely show you my mk2 aerox build
tag mopboyz on instagram and post a pic !