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|Oct 15th, 2007, 06:13 AM||#1|
Play The Throttle
Ride: 99 roadking EFI
Join Date: Dec 13th, 2006
Location: southern FL
I really need help!!!
Last edited by Fearless1; Oct 15th, 2007 at 06:17 AM.
|Oct 15th, 2007, 06:49 AM||#2|
Ride: 07 Road King
Join Date: Jun 21st, 2007
Re: spark knock
Running the motor in too lower gear at too lower RPM is probably what is causing it from what you say. Other causes are too low an octane gas and if you changed plugs or wires from stock, the ion sensing isn't working to avoid it.
Besides chugging the motor is very bad for the bottom end on these motors.
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