Maintenance & Technical > KX500 Original
Motor surging issues!! Help!!
KX5Zuki:
Well, I just got home from Sand Mtn. and I wasnt able to ride the KX5Zuki much because anytime I hit 3/4 or more throttle and let off, the motor surges, wont stop until I put a load on the motor, let clutch out slightly. I was worried about riding it too much because I was worried it could be an air leak. The plug shows a very rich condition. What causes the motor to surge? The KIPS works, no binding, has the mod done so no over rotating. Heres a couple pics too by the way, people have been asking about it.
stewart:
looks like fun
Mick:
You're too lean. Think about what is happening...
So you're at 3/4 throttle, lets say 4,800 rpm. You let off the throttle and close the slide, now your motor is turning 4K+ and running off the pilot jet! Motor begs for more fuel and begins surging. Go up on the pilot and raise the needle.
jfabmotorsports.com:
I hope you figure it out while you can still think. Are helmets that out of style?
Mick:
Wow I didn't even catch that! Good eye JFab :mrgreen:
Helmets and bikes bro...can't have one without the other. Ride safe.
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