KX Riders
Maintenance & Technical => KX250 / KX125 => Topic started by: Borntworide on February 08, 2020, 09:29:11 AM
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I bought my bike new, Its always been well taken care off, I have been off from riding for a good number of years other than a spin around the farm, looking to get back into this year as much as I can finally or time-wise. Figured, I have to do something for me now. I don't know when I did last top end or how many hours on last piston change. Figured I would change all the fluids, clean carb, clean and grease all bearings, take compression, reading. Now with that out of the way, I have 150 psi for compression, (snap on gauge) wide-open throttle -kicked for a few.
Compression is good I believe at 150. My question is: tear it down , inspect cylinder, connecting rod, clean carb, replace piston/ring anyway, clean power valves or Just skip top end and do rest?
This bike has always been good to me I believe because I have well maintained it. I am leaning toward doing a top-end. Financially I am thinking of not doing it because I need tires , tubes, kick starter , kick starter shaft, clutch cable, front and rear pads, rear rotor, chain , sprockets, plastics.
I probably answered my own question and should just bite the bullet and do it. Figured I needed a push lol
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Pull it down , might only need a set of rings .But be sure to dissemble power valve and clean real good , i hope your using a good 2 stroke oil , some 2 stroke oils are real dirty and leave a black film on internal parts like motul 800 . Just remember if the piston has wear on it replace it to as it will wear the cylinder coating then it will cost you more for a new plate job.
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Pull it down , might only need a set of rings .But be sure to dissemble power valve and clean real good , i hope your using a good 2 stroke oil , some 2 stroke oils are real dirty and leave a black film on internal parts like motul 800 . Just remember if the piston has wear on it replace it to as it will wear the cylinder coating then it will cost you more for a new plate job.
I have been using motul for 10year , smh