Yamaha PW50 Y-Zinger Stock Bore Top End Rebuild Kit – 1981–2024 | BPRATV x Wiseco
Refresh your PW50 engine with this high-quality, race-ready top end kit. Featuring a forged Wiseco piston, titanium hardware, and premium gaskets, this rebuild package delivers long-lasting performance, reliability, and easy startup.
✅ What’s Included:
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BPRATV 40mm Stock Bore Cylinder
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BPRATV Cylinder Head
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Wiseco Forged 40mm Piston Kit (includes rings, wrist pin, circlips)
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Cometic/Wiseco Top End Gasket Kit
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Wiseco Wrist Pin Bearing
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NGK BPR4HS Spark Plug
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BPRATV Talon Titanium Head Stud Kit
All parts are brand new and sealed in original packaging.
📦 Fitment:
Fits Yamaha PW50 (Y-Zinger) models from 1981–2024
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100% compatible with stock crank and bottom end
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No case mods required
🛡️ Warranty Info:
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1-Year Warranty on the entire kit
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Warranty covers manufacturing defects only
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Installation must be performed by a qualified, experienced mechanic
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Damage from improper tuning, installation, or misuse is not covered
We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.
We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.
Sold items are removed daily.
If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.
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