KX Riders

Maintenance & Technical => KX500 Original => Topic started by: NastyNick on July 01, 2004, 04:17:16 AM

Title: Shifting Problems
Post by: NastyNick on July 01, 2004, 04:17:16 AM

Recently my '93 K5 has developed a problem that I hope someone can help me out with.  I was out practicing starts with my kid at our local track and I noticed when the engine is pinned in second gear, it won't shift into 3rd.  Going from 2nd to 3rd is the only place I notice this at and only when the throttle is wfo.  Under "normal" conditions it shifts just fine into and out of 3rd (or any other gear).

Any ideas??


Thanks!

Title: Shifting Problems
Post by: michaelsmith on July 01, 2004, 10:04:01 PM

Worn,bent shift fork?

Title: Shifting Problems
Post by: kawdude on July 06, 2004, 10:16:08 AM

shift fork is the best guess could be that crap has gotten in the groove of the shift drum so the fork won't slide right.

Title: Shifting Problems
Post by: NastyNick on July 08, 2004, 06:28:08 AM

Wouldn't that mean that I would not be able to shift into 3rd at all?

Title: Shifting Problems
Post by: Rick on July 08, 2004, 08:03:42 AM

Not really.  If you have ever been into the tranny, you will notice that the fork is moved back and forth by a shift hub that has a squigly trough cut into the side.  A distortion of other defect in the shift fork can cause a bind as the end of the fork tries to move through the trough in the shifting hub.  Only way to know for sure is to split the cases.

Rick