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| POWERSPORT
Polaris® ATV (2-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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| Trail Boss 350 |
639M08000 |
80
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352 |
80 |
STD |
$131.40 |
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639M08050 |
x
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356 |
80.5 |
0.5 |
$131.40 |
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639M08100 |
70
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361 |
81 |
1 |
$131.40 |
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639M08150 |
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365 |
81.5 |
1.5 |
$144.90 |
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639M08200 |
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370 |
82 |
2 |
$144.90 |
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Purchase Top End Bearing: B1002 |
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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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