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| POWERSPORT
Yamaha® ATV (4-Stroke)
Individual Pistons
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Gaskets |
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Wiseco recommends replacing the Top End Gasket and
Bearing (if applicable) when replacing a piston. |
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Pistons are supplied with rings, wrist pins & circlips, unless noted otherwise  |
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Models
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Kit Part #
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Displ.
(cc)
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Bore
Size
(mm)
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Over
Sizes
(mm)
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Price
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| YFM250 Timberwolf 1992-01 |
4675M07100 |
71
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230 |
71 |
STD |
$125.10 |
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| YFB250 Bear Tracker 1999-02 |
4675M07150 |
x
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233 |
71.5 |
0.5 |
$125.10 |
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| 8.7:1 Compression |
4675M07200 |
58
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236 |
72 |
1 |
$125.10 |
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Replacement ring style is stamped on piston dome - ie. "C" for XC, "G" for XG and "H" for XH |
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