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Seized kx 250

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Fresh top end seized up within hour of first ride any trouble shooting edvice ??

2001 kx 250

Rings too tight???

Cylinder plating gone?

No oil in mix???

Edited by ridngslikecrack

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Fresh stalk piston fresh rings fresh jug new exhaust valves and rod governer

She just bogged down and locked up about 45 min into ride

Top seized or bottom?

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It won't kick over at all and I went through each gear while the back was on a stand and I couldn't get the back tire move unless it was in neutral.

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It won't kick over at all and I went through each gear while the back was on a stand and I couldn't get the back tire move unless it was in neutral.

Did you tear it back down yet?

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No that's the plan tomorow was just hoping to gain some insite before doing so, can't see why she would lock up like that

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No that's the plan tomorow was just hoping to gain some insite before doing so, can't see why she would lock up like that

I could type volumes on this subject and may still be wrong.

Nothing will tell you quicker than a teardown.

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Connecting rod bearing was toast, bottomed out my piston broke the skirt, I replaced the crank and bearings new piston and rings, bike runs great now

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