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804M06640 1999-2021 Yamaha YZ250 Wiseco Pro-Lite Piston Kit 66.4 mm Std Bore.
CLOSEOUT 804M06640 1999-2021 Yamaha YZ250 & 2016-2021 YZ250X Wiseco Pro-Lite Piston Kit 66.4 mm Std Bore.
It's 66.4mm standard bore size.
It fits 1999-2021 Yamaha YZ250 & 2016-2021 YZ250X models
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$121.88
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