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One-piece bronze intake and exhaust valve guides
*FITS 2000-2019 DR-Z400 / DRZ400 / DRZ 400 E/S/SM*
2010 - ZG1400 Concours ABS
Stock 93mm bore size for direct OEM replacement
General 1000
Yamaha PW50 PW 50 Stock Bore WISECO Piston COMETIC Gaskets Stud Kit Rebuild Kit Outlander 800 One-piece bronze intake and exhaustComplete Yamaha PW50 top end rebuild kit including 40mm cylinder, cylinder head, Wiseco forged piston, Cometic gasket kit, NGK spark plug, and titanium studs. 1981 2025 Yamaha PW50 Y Zinger Stock Bore Complete Top End Rebuild Kit Wiseco Piston Product Description Restore the legendary reliability of your 1981 2025 Yamaha PW50 Y Zinger with this premium BPRATV Complete Stock Bore Top End Rebuild Kit. Whether you're refreshing a well loved trail bike or