Maintenance & Technical > KX500 Original

Massive KIPS play?

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cbxracer30:
You dont need to place the whole center assembly ,you can just replace the pins in the sides of the flapper that are worn. Kawi part# 92043-1373 which is the pin that holds the 2 pieces together can be used to replcae the worn pins. Or you can purchase them from Mcmaster-carr size 4mmx24mm. CBX

oic0:
I piddled with it. It does actuate, just has a lot of play and when it is in the fully closed position the center valve can flop all the way open without moving the arm or rotary parts. I did try manually opening the valves with the motor running to see if the clacking got quieter (Since in the open position it would only be able to wiggle a few mm instead of an inch), didn't affect the sound... so I guess it probably has piston slap AND power valve issues. Eh, I knowingly got this 1k bike instead of a 2k bike figuring it would need some work. Guess its time to do the work now. At least when I freshen it I will know it was done right and it is really 100% fresh.

On a good note, I got the hard to start problem fixed. The air screw was way too lean. I set it to 2 turns out and now it responds crisply and starts 2nd or 3rd kick from cold.

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