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kx 250 1998 engine probs

This is a discussion on kx 250 1998 engine probs within the Motocross forums, part of the Types of Bikes category; hi all have got a few probs with mykx 250 engine its 1998 the symtoms are when you kick it ...

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Old 02-24-2009   #1
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Join Date: Feb 2009
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Default kx 250 1998 engine probs

hi all have got a few probs with mykx 250 engine its 1998 the symtoms are when you kick it over every 2/3 kics it jams up solid
removed topend there are marks on piston where powervalve has been touching when i turn the crank by hand it locks up every two complete turnswould this be crank or main bearings turns
the engine was rebuilt last year by a good motocross shop but since then the kickstart shaft twists and shear off engine it has been repaired but has started to twist again bit stuck any advice would be great thanks all
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1998, 250, engine, probs

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