SOHC.co.uk Forums > CB500/550
Noise when turning ignition off
deltarider:
The starter solenoid was also my guess.
K2-K6:
Solenoid doesn't switch with ignition at all.
Only active to pull load across the two large terminal when you "call" it with starter button. Not used otherwise.
In any, most, start system, those two high load terminal remain live irrespective of ignition key, being direct from battery positive and not through additional loom routing.
K2-K6:
To test for OP, you can first switch the engine cut out to OFF as that interupts the coils, then turn the key first on then off to see if it still has symptom.
Laverda Dave:
I've had similar symptoms with the Triton. Turn the key to off and it would pop back through the carbs. Having bell mouths on the carbs meant I could actually see it spit back through them. It is definitely the ignition timing causing the problem and despite setting the timing as per the manual it is not correct. The reason is probably as a result of the high compression, change of combustion shape etc.
deltarider:
--- Quote from: K2-K6 on June 22, 2024, 06:24:17 PM ---Solenoid doesn't switch with ignition at all.
--- End quote ---
Must be the regulator then I hear, when I switch the key ON or OFF.
I seem to remeber I have read somewhere on the international forum Dyna ignitions can cause this popping, but for what reason?
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