Maintenance & Technical > KX500 Original

Exhaust O-rings

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serafin:
Thanks for everyones posts.  My intention was to try and get the dimensions so I could find a set of the orange silicon o-rings which are much better product for the exhaust.  I will probably order a set of the FMF o-rings and measure them and go from there.  I'll keep everyone informed of my findings.

Serafin

KXcam22:
When substituting those o-rings I would suggest that the temp rating may not be as important as diameter.  When I replaced my stock 92 o-rings last year they were worn from vibration but showed no signs of heat stress.  However, the replacements I found (bin at work) had a slightly larger diameter (bareley noticeable) but the larger diam prevented the pipe from slipping into the cylinder.  I had to find some closer in diameter. Cam.

Spider:
I matched mine up at the local hardware store for about 3 bucks for the pair with no problems.

Dale

Platypus:
Just wanted to update on the cheap o-rings.  Two play rides and two races and absolutely no signs of fatigue.  So as Cam said it's size that matters :p.  I just took my pipe off and added a bead of orange RTV around each o-ring which supposedly helps prevent vibration in the pipe a bit more.  Do not fear the cheap o-rings they work just fine.

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