no spark?

08 cbr fire · 05-13-2008, 2:02 AM

i managed to crash my track bike last sunday and i now have no spark at the plugs, its a zxr 750, any ideas anybody?

NordicusMaximus · 05-13-2008, 12:33 PM

Two things come to mind real quick. If all 4 plugs are dead, that means no power to coils. Either all coils are cracked and dead, very unlikely, but probable, or the ECU that sends the signal to the coils is damaged/blown fuse.

It could also be a sensor that sends a signal into the ECU, which then sends a signal OUT to the coils. The pulse generator sensor may have damaged wiring or may have been broken.

What parts of your bike were noticeably damaged in your crash?

08 cbr fire · 05-14-2008, 2:02 PM

Quote:

Originally Posted by NordicusMaximus

Two things come to mind real quick. If all 4 plugs are dead, that means no power to coils. Either all coils are cracked and dead, very unlikely, but probable, or the ECU that sends the signal to the coils is damaged/blown fuse.

It could also be a sensor that sends a signal into the ECU, which then sends a signal OUT to the coils. The pulse generator sensor may have damaged wiring or may have been broken.

What parts of your bike were noticeably damaged in your crash?

the right handle bar and rearset snapped off all the fairings damaged. i have noticed now that 3 and 4 plug leads are damaged which lead to separate coils but i really dont think that this is to do with the no spark problem.
really appreciate your info mate thanks

lanbrown · 05-14-2008, 2:32 PM

Depending on how the kill switch eorks on that bike, it could be cutting the power off. It is on the right bar that was damaged. Wires could have been damaged in the crash. I would start there and make sure it is working.

08 cbr fire · 05-14-2008, 3:25 PM

Quote:

Originally Posted by lanbrown

Depending on how the kill switch eorks on that bike, it could be cutting the power off. It is on the right bar that was damaged. Wires could have been damaged in the crash. I would start there and make sure it is working.

done that mate kill switch is fine

08 cbr fire · 05-15-2008, 1:16 AM

this is how its making me feel

08 cbr fire · 05-17-2008, 12:23 PM

i have taken off my pick up coil cover to reveal a little spring about an inch long with a hook at each end just sittng in the casing and i have no idea where it could of came from, any ideas?