General > Introductions

Shut petcock while ideling ...

<< < (2/2)

1901306708:
if your kill switch wont work you are likely dieseling.

mine has done this a couple times when trying to increase my ignition timing. more octane or less ignition advance fixed that issue for me.

Al in MI:
I've thought that hauling a bike with the bowl empty causes the float to bounce around when underway.

On the subject of the kill switch not working when the engine is screaming : The kill switch works by grounding the ignition coil (a step up transformer) primary.  Since the kill switch is not right at the coil there is a length of wire involved, maybe a foot or two (wire has resistance so the further from the ground connection the higher the voltage). When the engine is near idle the small voltage on that foot or so doesn't matter and the kill switch effectively shunts the primary to ground and the coil secondary (spark) is near zero and not enough to fire the engine.  BUT, when the engine is screaming there is enough voltage on that wire even though it is grounded at one end & the foot or so of wire to permit enough voltage at the spark to keep firing the plug.  Pulling the plug wire will kill it but you could get quite a zap yourself.  Another proven way to kill a runaway engine is to block off the exhaust, use your boot I never tried a glove.

Navigation

[0] Message Index

[*] Previous page