
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: BPRATV 40mm Stock Bore Cylinder BPRATV Cylinder Head Wiseco Forged 40mm Piston Kit (includes rings, wrist pin, circlips) Cometic/Wiseco Top End Gasket Kit Wiseco Wrist Pin Bearing NGK BPR4HS Spark Plug 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 100% compatible with stock crank and bottom end No case mods required 🛡️ Warranty Info: 1-Year Warranty on the entire kit Warranty covers manufacturing defects only Installation must be performed by a qualified, experienced mechanic Damage from improper tuning, installation, or misuse is not covered