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Wiseco Powersports 2-Stroke Forged Series Piston Kits for 1985 YZ125 - 521M05800
Part Number: WIS-521M05800
Wiseco Powersports 2-Stroke Forged Series Piston Kits
Engine Piston, Yamaha YZ125 '85 2284CS
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Estimated Ship Date: Nov 18, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
521M05800
Part Type:
Product Line:
Summit Racing Part Number:
WIS-521M05800
UPC:
193564134073
Piston Material:
Forged aluminum
Bore (in.):
2.283 in.
Bore (mm):
58.000mm
Stroke:
50.00mm
Wrist Pin Style:
Floating
Pin Diameter (in.):
0.630 in.
Wrist Pin Retainers Included:
Yes
Top Ring Thickness:
1.0mm
Top Ring Material:
Steel
File Fit:
No
Gapless:
No
Gaskets Included:
No
Quantity:
Sold as a kit.
Notes:
Power valve must be modified for 58mm bore.
Wiseco Powersports 2-Stroke Forged Series Piston Kits
Wiseco powersports 2-stroke forged series piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, motorcycles, ATVs, snowmobiles, and outboard marine engines. Their piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with these Wiseco powersports piston kits! Order the 2-stroke Forged Series piston kit designed to fit your application.
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Some parts are not legal for use in California or other states with similar laws / regulations
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