P13DUD3

hi all just to let ya know i sorted the problem not sure what it was but stripped the engine down and rebuilt it bit by bit really slowly and it turned over fine so happy days..... will quickly inform the owners club if i have any other sort of problems....

No im just turining the enigine to make sure it turns. I took the cams back out and it still sticks with just the top of the engine built up.

Yeah its just hard to turnover. They might be caps, i only know them as holders... the parts that actually hold the camshafts in place, if thats what you mean.

hi everyone.... new member to the yamaha club never been on any bike forums before so be nice main reason i joined is because im having trouble with my thundercat. I have given her a complete engine rebuild after destroying her unusually fragile gearbox and im now in the final stages at last...... But as soon as i tighten up the camshaft holders the engine starts to bind when its turned over. I am baffled the cause of this problem has eluded me for about a fortnight and now i have no idea wot to do other than go to a dealer and be conned into spending wot litlle money i have left in my bike budget. Any help will be much appretiated and i will try to give as much info that is neccesary to solving the problem.... thanks

hi all i have had my 1996 thundercat for just under 2 years now and for the past 4 months in my spare time i have been taking the engine apart and rebuilding it due to killing the gearbox...... after encountering a few other problems which have been overcome and managed i am now in the final stages of rebuild and the crank seems to be binding when its all built up. I am completely baffled i have taken apart and reassembled the top part of the engine multiple times to no avail. All i can say that the noise it makes when turned over is a grinding, rubbing sound and its coming from piston 3 area.... i think. Help......