Maintenance & Technical > KX500 Original

Help with KX500 stuck in 1st gear

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98kaw5oo:
Hey guys. I was doing some average sand hill climbs and when i got to the top i shifted back to first to hit a trail and i could not shift into 2nd gear, My bike is stuck in 1st gear. When i take my hand to move up and down it has spring back pressure like normal but it just wont catch the next gear but seems like it wants to but lets go like maybe something stripped?. While riding it wont jump into another gear, It is permanently stuck in 1st gear with no neutral unless of course i pull in the clutch so i know the clutch works fine. So basically i am wondering if there is a possibility it can be anything i can fix or look at without having to pull the motor out and split the cases ?  Thanks for any suggestions.

KX500freak:
i,m pretty sure you need to open the cases,
the shiftdrum is operated by the shiftrod on witch the shiftlever is mounted
in these parts the problem must occure when inspected
succes

Hillclimb#42:
I had a similar problem, when a spring came off of the mechanism behind the basket. There's a good chance you will be able to get it out of gear, after you pull the entire clutch basket. keep an eye open when draining oil for parts. The drum must be stuck, but you can get in there and manually turn it. Hopefully, its minor and won't require splitting the cases.

98kaw5oo:

--- Quote from: Hillclimb#42 on September 10, 2009, 11:07:00 PM ---I had a similar problem, when a spring came off of the mechanism behind the basket. There's a good chance you will be able to get it out of gear, after you pull the entire clutch basket. keep an eye open when draining oil for parts. The drum must be stuck, but you can get in there and manually turn it. Hopefully, its minor and won't require splitting the cases.

--- End quote ---

Hillcimb: Was your clutch working properly because my clutch seems fine and normal like always. It seems like the shift lever shaft that goes into the engine is trying to grab something and grabs it slightly/halfway then it slips off. Like something is wore out or a gear or something only has half its teeth. I know i need to start getting into it but i am not a mechanic and do not want to split the cases unless it is a last resort but i have a hunch i will have to. If i do do i have to pull the motor out of the bike?

Hillclimb#42:
Yeah, pulling in the clutch was the only way to push it around to load it back up in the truck. Same symptoms, but not 100% sure what your bike is doing. No matter what you will have to drain oil, pull the clutches and basket. The shift mechanism is right there behind the basket. There is the deal that the shifter pushes into the drum, and the drum itself that clicks into gear then returns to its original position. If that slider deal sticks to the drum and doesn't spring back or the drum doesn't complete the shift then it will act that way. I think its even possible to mess with it while leaving the basket in there. My similar issue happened on my 250 which has the inspection cover for the clutch. I bet the cases will not have to be split. Get her up on a stand and get into it. Make sure the little spring on top of the mechanism in there is pulling the slider back to its original position. The other spring on bottom, is the one you still feel.
  I'm no mechanic either. I just wear-out parts, then I get on here, and figure out what I did, then what I need to do. Maybe someone else can chime in here and give better detail, and actually know what all of the parts that I'm describing are called.

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