I have a very cool older thumper....3hs on all new top end.......Bike has Title...Replacement cylinder...Wiseco High compression piston kit stock size..took Head in and had it Ported and Polished..Supertrapp pipe..fires up runs great..think it might need a bigger jet..its sputtering at mid/top of power band..dont have time to work on it anymore..is a very fun trail bike or could be made for street pretty easy..asking $1200obo.. thanks