SR50 problem (Di-Tech)

Basically, its a standard SR50... but... its had a gear up kit and polini variator stuck in it... now i'm sure either the gear up kit needs to come out, or the rollers are WAY too light for the bike... cos its all rev and no go.

Is it worth putting the original gear up kit back in the bike, and getting the standard weight rollers for the bike... or what else can i do..?

Would a gear up kit on a standard 50cc engine make any difference, as it just revs at full revs but acceleration is terrible. thanks for any advice in advance. cheers

 

Just put a 70 kit on it and it will fly

 

yea true, but that isnt the plan right now... for now we just want it to be working all good, like the standard 50cc engine should.. and i dont think the gear up kit is doing it any favors.

 

yeh gear up kit on a standard 50cc would work shit...take it out

 

cheers!

thought it would mess it up.

Just revs right up but doesnt go anywhere..

 

most places that sell gear up's will pre-warn you not to put them on ANY stock engine.

 

yeah i think your right about that martin.. obviously the previous owner was a complete numpty

 

ye but your take the gear up out and buy a new standard gearing and then want it faster and just put it back in might aswell just buy a 70 and it will pull straight through the gears, the 70 will be more reliable aswell as it isent revving as much due to gear kit. Polini cast iron kit wouild last ages if jetted right

 

For the time being my bro just want a ped that can get him from a to b and isnt gonna mess up... so for the minute, its worth getting the bike back to standard.. i have the standard gearing which is a result, but for now we're just gonna stick some heavier rollers in it, and hopefully it will cure the rev and NO go problem.

 

no, it wont.

listen to what the people are saying, if you have a gearup kit in a standard setup, you have 2 options

Numero une - remove le gearup
Numero duex - upgrade le setup

a gearup kit increases the amount of times the rear wheel spins for the amount of times the clutch bell spins, so top end is increased but its harder to start off, picture it like riding a bike in a high gear.

what is probably happening is because there is a lot of resistance in the gearing, due to the gearup being too tall, the clutch cant turn the clutch bell, so its slipping, or the belt is, which is why it revs.

 

mange tous rodney!!

sacre bleu gear up kit no good without the 70 kit

 

pmsl u jokers :w00t:

 

a perfect explanation listen to what he is saying...

..or we will come and get you

 

well then - although i still feel the gear up needs to come out... i have managed to sort the bike out! just stuck some much heavier rollers in it, and now its running like a dream, with a top speed of 45mph (clock speed 55mph lol)

 

engine is still gonna be working too hard to make the gearup work though.

 

As i said... The gear up still needs to come out....