Maintenance & Technical > KX500 Original
Massive KIPS play?
oic0:
When the motor is off, should I be able to fully open and close the KIPS with my finger? Its just kind of floppin in there. Didn't know if that was how it was supposed to be. I was lookin around in the cylinder trying to figure out the knockin noise when it is running (Praying its not piston slap) and I noticed the KIPS center piece is pretty muchly just free moving. Is it supposed to be like that? and could that cause a knock from the exhaust gasses pounding it upwards as the expell (I can slam it up and make a noise with my finger) or is it supposed to be free moving when the motor is off?
KXcam22:
It sounds like the retaining pins that inser into each side of the rop flap may have fallen out. They follow grooves in the two side drums so that when the side drums rotate, the top flap raises. If I recall correctly you should not be able to move the top flap at all other than say 0.010" for play and wear. Cam.
oic0:
Yay! that is much much cheaper to repair than piston slap :D also means I was missing out on some top end power. Which means there is more scaryness I haven't yet.
Time to print out some stuff showing how this stuff works and make it a weekend project.
jfabmotorsports.com:
Also If you can move the valve form fully open to fully closed there is a good chance, like 100%, that the actuating arm is not engaged in the governor. Engines that other people have been in that I have had the pleasure to work on have been in this state. If you don't hold the rode as you tighten the nut it can come out of the slot in the governor. Check the arm, if it moves with no tension you will be removing the clutch cover.
JFAB
iambigd:
I have some pictures of a new center valve and an old worn center valve.
http://www.getdropbox.com/gallery/127480/1/BigDs K5?h=6aa8d4
I did it as close up as possible so you could see what the worn valve looks like compared to the new one. I was able to take my K5 out after a complete rebuild and it runs like a demon possessed.
Peace
BigD
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