Maintenance & Technical > KX250 / KX125
99' kx250 top and bottom re-build "finished"
don46:
So, you did put in a new piston right? When I looked at the first set of Pics, my first thought was that you should have rebuilt it a long time ago based on the blow by. After doing all the work to the bottom end I wouldn't risk a used piston that may be cracked.
By the way I like your Frame color.
Wizzy214:
--- Quote from: don46 on December 17, 2007, 05:14:45 AM ---So, you did put in a new piston right? When I looked at the first set of Pics, my first thought was that you should have rebuilt it a long time ago based on the blow by. After doing all the work to the bottom end I wouldn't risk a used piston that may be cracked.
By the way I like your Frame color.
--- End quote ---
my machinist said the piston was still good, put on new rings, new bottom end, bearings and rod, not too bad i thought it was going to be an expensive fix but only 180 for parts complete gasket kit and bearings, rod, crank, and 150 for labor. and a fast turn around. i was stoked.
and i dont remeber the paint code but its BMW metallic black.
don46:
I guess I'm kind of anal about those things, I replace pistons in the race bikes at least every month, they still look good, but I don't like failures. Playbikes get a new piston 1-2 times a year depending the amount of riding.
You did get by pretty cheaply $330 and a new bottom end, did you replace bearings and seals?
Jeeks:
Pistons can develop stress cracks and dissinegrate into your motor. The crank will push the broken bits through your cases.
Been there, done that.
Wizzy214:
some before and after pics, cleaned with wax and grease remover then buffed with an oribital buffer.
new suspension linkage
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