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Everything Dirt Bike
General Dirt Bike
Rm 125 what bore/piston is this
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<blockquote data-quote="ossagp" data-source="post: 165873" data-attributes="member: 1650"><p>If you don't have a manual you can place the ring at the top of the bore or as I like to, right where the transfer area openings end. Square it up with the piston, and measure the end gap. Slide the ring down the bore using the piston. Keep measuring until you get the widest ring gap. Remember the formula for figuring circumferences. See how much wear you have in comparison to the virtually unworn part of the cylinder. Decide to plate or not based on that and the condition of the plating above the exhaust port(s) and transfers.</p></blockquote><p></p>
[QUOTE="ossagp, post: 165873, member: 1650"] If you don't have a manual you can place the ring at the top of the bore or as I like to, right where the transfer area openings end. Square it up with the piston, and measure the end gap. Slide the ring down the bore using the piston. Keep measuring until you get the widest ring gap. Remember the formula for figuring circumferences. See how much wear you have in comparison to the virtually unworn part of the cylinder. Decide to plate or not based on that and the condition of the plating above the exhaust port(s) and transfers. [/QUOTE]
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Everything Dirt Bike
General Dirt Bike
Rm 125 what bore/piston is this
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