Maintenance & Technical > KX500 Original

Is it worth welding the sprocket on?

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S38B38:

--- Quote from: Polar-Bus on May 19, 2015, 12:38:26 AM ---What many people don't realize is most sprockets are "case hardened" and they do NOT accept weld very good. I remember seeing some of the factory KX bikes in the pits at the nationals and Team Kawi would run a bead of epoxy or RTV around the output shaft circlip to prevent it from popping off. 

--- End quote ---

This exactly, the welds will crack while cooling. A couple of tack welds will only last a few miles at best, if you run a solid bead around that might work but that's a lot of heat at once.

Foxx4Beaver:

--- Quote from: Polar-Bus on May 19, 2015, 12:38:26 AM ---I remember seeing some of the factory KX bikes in the pits at the nationals and Team Kawi would run a bead of epoxy or RTV around the output shaft circlip to prevent it from popping off. 

--- End quote ---

I watched Brian Lunniss do that to Mike Kiedrowski's bike at the '93 Binghamton national.

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