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Kawasaki MX & Off-Road Dirt Bikes
Who's done a top end rebuild?
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[QUOTE="kartstar, post: 1068056, member: 69832"] I think the "A" "B" "C" pistons were in Hondas for a very limited year range, but seeing as most of the time you're not even offered the option when ordering, I wouldn't sweat it. I have to replace the top end in my racing kart (CR125) after every race weekend - and as has been said, piston skirt pieces in your bottom end (and pipe and muffler) es no bueno!! I recently bought a '96 CR250, test rode it, brought it home, and pulled the jug off to put new rings in. Half of its intake-side skirt was missing, and had been for awhile. There were pieces wedged in the oil slots of the con rod big end, but no other sign of shrapnel having gone thru - I can only imagine that (luckily for me) the skirt exploded and shot out the exhaust and the guy didn't even notice. I replaced piston, rings, small-end bearing and wrist pin, put it back together, now waiting for bottom end to go south or the end of the riding season (whichever comes first)! :coocoo: I'm not sure I'd recommend this approach for less stupid folk... [/QUOTE]
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Dirt Bike Discussions By Brand
Kawasaki MX & Off-Road Dirt Bikes
Who's done a top end rebuild?
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