View Full Version : thumpstar rebuild manual

27th December 2006, 12:46 PM
looking for a manual on thumpstars. i need to strip my back down to the crank b'cause i got a feeling theres a loose bolt or 2 in therre.

my bikes making an odd noise.. cant explain the noise but it fu*kin shits me

are all 4 stroke engines basically the same from 50cc to 138cc ?


27th December 2006, 03:51 PM
4 stroke engines are a b1tch to work on if u dont know what your doing, like with Cam timing and stuff, Save the hassle and take it to your local bike dealer

27th December 2006, 10:01 PM
if it rattles when u click it intoa gear.. your have busted teeth of your gears.. let me know wat it sounds liek ro is doing and i will try help u out.