Motorcycle troubles, 2001 suzuki sv650s...?

Bubbles

New member
My husbands motorcycle was running fine and then one day he went to drive it to work and it wouldn't start. The engine turns over, but it doesn't start. We have checked the following parts and are now clueless as to what it could be. We checked the spark plugs, battery, and then moved to the fuel system and checked the tap and filter, and the pump. All are working and/or clean. What else could it be? thanks!
 
timing chain...........

remove the plugs. & the tappet covers..

turn the motor over slowly using the rear wheel & the bike in gear..

check the piston comes up to TDC when the valves are closed..

if not the chain may need replaced or the cam chain tensioners.. or both..
 
check the run - stop switch on the handle bar , i have done this and it drove me nuts till i found someone turned the switch to stop (off)
 
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