17t Sprocket install (Vader/Boom 125cc)
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- Опубликовано: 27 июн 2017
- In this video I will go over the steps of changing the front sprocket from 14t to 17t. I will also go over motorcycle chain sizes and how to break down a longer chain to fit your application.
In theory changing the front sprocket on the Vader/boom will make the bike more street friendly with than its stock gearing by increasing your riding speed by lowering your rpms and taking away a little of your torque.
This is a great mod that doesn't require much hassle that anyone can do with the right tools.
Items I used or talked about for this video are below.....
428Hx116L chain (Heavy duty/pre stretched)
www.ebay.com/itm/322071411803
Lifan 125cc 17t front sprocket (17mm)
www.ebay.com/itm/182462145763
Heavy Duty Chain Breaker
www.harborfreight.com/heavy-d...
Gear Shifter Shift Lever for XR CRF50
www.ebay.com/itm/252034671825
Thanks for this. I know it's an old vid but it's still helping people. Just put a 17t on my hellcat. Didn't need to change the chain in my case.
I depends on what the front and rear sprocket is, The vader has a F 14 band R 34 but I know most clones have like 15s and like 32 rears or something like that...In my case I needed 2 more links.
@@nwnative4139 when you add or remove teeth you have to adjust the chain size, even if you manage to force it on, your chain will be excessively too tight. When your swingarm hits bumps and flex, it will have too much stress which may be a issue.
@@nwnative4139 yes. the stock chain is 110 and the front spocket is smaller than most other clones that might use a 15 or 16 etc.
Thanks for taking the time to share your knowledge on this
Thanks for sharing, I have the same bike sold by Venom Motorsports as the X20, I am learning so much from you and others. I bought a front and rear lift stands and discovered on the rear was nowhere to hitch it, But no problem..On the inside of the swingarm is a big dent that I drilled holes and installed big bolts with 2 Nuts to space them out. I will do a video on it soon..I am looking forward to changing sprockets..Thanks again,,
I'm actually gonna buy a axle spool style stand soon, look forward to seeing your video.
Check out ..( My Venom X20 aka Vador boom bike lift )..Video now showing...
Just got m 17 tooth sprocket installes and went for a couple miles of riding on my Vader...it did make acceleration a bit slow BUT MAN IS IT WAY BETTER OTHER THAN THAT!! Now crusing 45MPH GPS at 5000 RPMS and Im 200lbs. 1st and 2nd gear are very useable now--Before I would shift into third usually by about 17mph and that wasn't redlining it but the bike was screaming before in 1st and second and wasnt even getting me up to 20MPH--NOW? now it can climb up to the high 20's maybe 30 in 2nd gear --definitley at least the mid to high 20's for second gear for my normal shifts where I don't rev it too high---It is the single best/cheapest/easiest mod for performance on the Vader--Im hoping installing a new carb soon will help get either a little more top speed or some of my acceleration back too!! I mean on a lil 100 foot high hill I always ride and usually was getting up to 35 mph in 4th pretty quickly with stock 14t gearing and its pretty much the same or higher speed with the new 17t sprocket, just takes more time to get to speed, DOES feel a lil slow up hills but then the terrain flattens out to level ground eventually and BOOM there it goes flyin fast!! The new momentum gained with the 17T sprocket also makes me want to start using both my front and back brakes, especially downhill, whereas b4 I was only using the front brake and engine brake downshifts
I found a 19 put on my 125 dirt bike my goodness wat a joy it is now
Im here to say i have a friend who uses his stock chain with a 17t, he pushed his tire back and adjusted the chain. Still works
I, however, bought a 428 chain for my 17t
if they want to run a tight ass chain, sure...I didnt want to do that the 2 links made it breath when adjusting.
@@yashiroku oh I'm not discrediting you, sorry if that's what was interpreted. I think switching chains is ideal and less headache
@@kylebeezy7672 If I teach people I only show them the right way. Any other way like forcing it to work idk cuz these bikes come with a 14t front and 34 rear, you might can get away with stock chain on a 15t or 16t but a 17 requires 2 links if you want an adjustable chain. I tired it on this video and it didnt work.
@@yashiroku and I respect that 100% keep up the good work bro!
Is it normal to have play (wobble) after tightening down the 2 sprocket bolts. I just changed my sprocket to a 17, but I didn’t want to put the chain back on yet as I am able to wiggle the sprocket? (Sorry I am a noob and this is my first bike) thanks in advance!
there is justifable play/flex yes, but if It looks like its coming off that is another issue...lol
Every video leaves out how to put the sprocket on i took mine off and for some reason the lock piece doesnt line up eith the sprocket spindle
Will the sprocket guard fit back on after 17t added without rubbing
yes only 18+ requires modding the case area.
Hey man, just wanted to ask how your vader is holding up? I'm right at 400 miles on mine and it's still bone stock. lol
Great to hear from you again! last week made it 1 year of ownership. I currently have about 2,8xx miles on it last time I turned it on. Currently waiting to get my 2nd 3.5/4ah battery for it since Its a dud now least for cranking.
Sweet! sounds like it is holding up really well for you! You should do a mileage update to quiet down some of the haters around here lol
Yeah most deff, Im in the process of putting something up soon.
I look forward to it! I did the 17t sprocket upgrade and man what a difference! I can cruise at 45 and still have low rpms.
Hey man I have the Icebear Fuerza it's very similar and I have the 17T to put on and I feel much better about doing it now!
I just gotta get a nice new chain and chain breaker. Thanks for the vid ✌️
so did you ever alter the front chain guard to prevent the chain from rubbing?
17 is the biggest you can go, anything bigger you have to start grinding stuff, deff the case.
nice the 03 to 08 kx 60 shifter fits better sticks out further and clears better but whatever works for you, what kind speeds you seeing top end with the 17t
I might buy another shifter when I get better moto boots, deff needed a new one since the stock one was on its last leg. I will do a follow up video later, Havent went to redline yet, most Ive did so far was 55 smoothly around 6K-ish with mid throttle.
I am going to look in to that shifter too
Y4shiRoku ya my stock shifter broke on me had to limp it home in second gear lol right now with my mods and 16t I hit 63 right at 8000 rpms
I had mine up to an indicated 70 mph a couple times
@@Xbox360Player350 i had mine (still stock) hit 67 but i was at 8 rpms pushing it and it was windy but i hit about 50 to 55 on the norm
Does the sprocket have wiggle movement once it's installed. Doesn't seem tight
there is suppose to be some play on these bikes.
I found a 19 I'm on a 125cc coolster I had to shave a bit around where the top of the chain rubs but God what difference it makes I gotta 37t rear on the way too I'm tweaking
you really didnt have to do all that, you couldve just ran a 17/33 which is kinda the same as 19/37. Going down on the rear is like going up on the front and going up on the rear is like going down on the front! Thats the tricky thing about doing this. Using sprocket calculator helps.
@@yashiroku yeah u could say that but now this is a whole different bike carburetor barely boggs out now still waiting on my flange for my genuine mikuni but yeah if I find a 33 I'll add that too
@@tp73717 deff should add a wideband to itif you trying go all out, will help with getting the best tune for it than guessing.
@@yashiroku will look into it
Im installing a new foot shifter like yours. Do i eliminate the entire old mechanism?
you just un-bolt the screw/bolt holding the stock one on the spine then slide it off then slide the new one on the spine and tighten it up. Make sure its on the spine teeth and tight but not He-man tight so it doesnt slip.
@@yashiroku thanks brother ima give it a shot now
I love the fast forward button
I give all the buttons loves not just one...LOL
Where can I purchase the correct chain for this bike?
Id get a longer one and cut it for a custom fit, even if its not much longer like what i did. I got a Unibear heavyduty size 428 with 116 chain and cut it to 112 links. You could just get a 428 with 112 link chain if you are doing a 17 front and stock 34 rear, like in this video.
Hi there, get the shifter for the crf 110
I believe they are the same as the crf50s least the for the Chinese replacements.
Do you have to change the chain in order to upgrade the sprocket ?
if you go 17t yes
@@yashiroku what size chain do I get and how many links
@@66Ack I bought it longer, a 428 116 link than I needed and cut it to 112 links.
Will Honda Grom engine bolts fit the Vader?
You can really just get a grade 8 or higher bolt from hardware store for almost nothing it you are replacing them. lol
What size thanks in advance
I believe it was a 8 in long, I sized it up with a broken one and added a in or 2.
Oh I’m waiting on my bike to get here so trying to get together all the parts before it gets here
i installed that shifter. 155mm long seems like its too far away and at my toes. its like sits almost 2 inches longer than stock
I dont even remember. I wear moto boots tho. idk.
@@yashiroku it is 2 inches longer than stock and the one on my brothers bmw. im gonna get the shorter 110mm one.
@@warrenpeas Get one that you are comfortable with. Ive always wore clunky moto boots and didnt notice the length difference, but I can see what you mean.
I didnt see the new chain??
What chain size did it originally come with?
428 with 110 links
Thanks man
@@yashiroku in the vid you said 108, is that right?
@@stonemedinaaa its 428 with 112 links for a 17 front
So basically with 17t 17mm you need 110 chain link correct?
112 for 17 but I would get a 116 chain and cut it so its a custom fit.
@@yashiroku I heard you can run the stock chain on em. With stock rear sprok
@@BigOsGarage6 I mean that will be a tight ass chain but go for it..LOL
@@yashiroku naw for sure it will. I'm Def getting one soon thanks my brother
will the 17 t fit with stock chain
If you can get it on it will be too tight to be safe.
Itll fit perfectly fine if your oh so worried depending how you want it setup you can get a smaller rear sprocket to counteract the front one being bigger so if you get a 17 tooth front get a 32 rear the chain will fit fine and youll get even more top speed
What’s your new top speed with the new sprocket?
58mph
What was your top speed before the sprocket change?
barely 50mph without messing with the carb a bit then it saw 54-ish after awhile, so when I do tune the carb again it should be over into the 60s.
I did 65 once Bone Stock no mods at all going down hill I average 58 mph on a straight away I have a Ice Bear Fuerza I did the Air Box Delete Now Added a custom Air Filter I made with the STOCK CARB and gutted out the stock muffler and all on the stock sprocket I ordered a 17 tooth I should get it tomorrow hopefully I break into the 65 range I was just wondering how much of a difference it did on your bike so more a less I have an Idea what mph I should see on my bike
Stock carb is too lean, I'm only using it until I get my other plans in motion...sometime. lol, I wouldnt keep it on if you want reliability and speed out the engine if you mod, a legit mukuni carb is best on these.
Did you go from 14T Wheelie sprocket to a 17T race sprocket
I wouldnt say race but youll get more top end speed with a 17t compared to a 14t if you tune your carb right. All it does is makes 1st gear longer more useable as well with the other gears.
YASHIroku how did you tune your carb right for this application?
@@danvachon9512 Before I sold the bike I used was the stock platform with a legit vm22 mikuni. Works very well without you having to do much tuning... With the fake carbs I used a 95 and 100 main and I believe the stock 15 for idle, dont remember...worked for me. Others used much bigger like a 120. That didnt work for me, prob because of my area, not sure.
Are you still using the 17tooth sprocket? How is the performance with the new sprocket?
It pretty much just makes the gears longer so it can be more comfortable for street riding compared to the 14t stock. 16t and 17t are the best options for this bike imo. I went with 17 because I wanted more top end.
@@yashiroku Good to know, I just ended up buying a 15t about 2 weeks ago because I didn't want to lose too much torque but I do have a 17t sitting around
Did you try the 15 tooth front sprocket ? If so, how is it ?
@@timdoyle8199 I did. Worked great!
How about a 16t?
You didn’t mention anything about the rear sprocket since you was changing the chain size and front sprocket
If you arent messing with the rear, there is no need to worry about it. It works the same in reverse if you go up on the rear you add link if you go down you subtract...
Personally I wouldnt mess with the rear because things get more complex with the gear ratios, and changing both the front and rear with different values can negate benefit if you dont calculate it right.
if you use a sprocket calculator to whichever you are doing will help. That is what I used. For my case, it said with stock- 14t front and 34 rear with 110 link chain, new- 17t front and 34 rear needed a 112 link chain. ..
I bought a 116 chain and cut it to 112, but even if I didnt use the calculations I would visually know that 112 would be enough after the stock chain just needed two more links to fit perfectly... which I show in this video.
@@yashiroku u should have change the color of the chain to match the bike
@@notoriouscowboy9773 Not really my thing, but you can do it if you want. lol
@@yashiroku U need to step it up and and let it match ..no difference from changing the color of your grips or clutch grip.If u going to change it let be another color then plain oh black
@@notoriouscowboy9773 If you havent noticed...Im black, what are you saying...? LOL
Idk why you cut your change or even took it off 🤦♂️🤦♂️ you can slip the 17t on and adjust your chain
No, I tried to use the stock chain with the 17t and was mad af I needed a longer one....Even if you could your chain would be tight af.... The gen 1 has a 14 which require you to 2 more links for a 17...Some clones have 15 or a longer swingarm etc where you might not need to change, if you go up 1 or 2 sprockets..... This was a retake after I bought a new chain I got extra long so it would fit perfect. Cry once not twice. cuz my new links was 112 and fit perfect, the stock one was 110..... so yeah but what do I know.. LOL
@@yashiroku well I went from a 14 to 17 stock change no problem 🤷♂️
@@hondaonbkt Im sure you did... *rolls eyes*
@@yashiroku there is other video off people doing it.. any who I'm not gonna sit here and fight with a small channel
@@hondaonbkt It is what it is... If it was really a need to vent negative energy it just shows toxic character...Im a little beyond that in my life..but again what do I know. LOL
Instead of buying a new chain you could have just made the chain a little looser
I explained that youll need 2 links because the chain will only be tight and you wont be able to adjust it anymore and even if you can run it like that youll be putting too much stress on those parts which can be a hazard.
Granted all clones are different, I know with the Fuerza you might not have to change because the chain is longer for the stretch setup, same might be the case with the clones running a 15 front...Only way you know for sure before hand is to use a sprocket calculator. I personally would change the chain anyway because the replacements isnt much money for a decent one, the heavy duty unibear I had was night and day better than stock.
The stock setup for the Gen 1 Vader is 14/34 and has 110 links so by going 17/34 you will need at least a 112 link chain to have it hang within spec...