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Kawasaki MX & Off-Road Dirt Bikes
1989 KX250 slight knocking noise....
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[QUOTE="RM_guy, post: 885366, member: 20652"] I account piston slap to a worn piston or cylinder bore. The piston will rock (pivot) on the wrist pin and the skirt of the piston will slam against the cylinder wall...and make a knocking sound. The forces on the top of the piston will act on one side of the piston to cause the rotation. When you rebuilt it did you measure the cylinder bore? [/QUOTE]
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Dirt Bike Discussions By Brand
Kawasaki MX & Off-Road Dirt Bikes
1989 KX250 slight knocking noise....
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