Manufactured by SPI OEM style piston kits Includes 2 pistons, ring sets, wrist pins, circlips Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls All pistons, rings pins, and circlips are manufactured to OEM specifications All individual components are interchangeable with original parts Piston weight compatible with original piston Pistons are for .020 over bore size 72.50mm Made in Taiwan Fits 1984 Yamaha Phazer 480 PZ480 1984 Yamaha Phazer 480 SE Electric Start PZ480SE 1985 Yamaha Phazer 480 PZ480 1985 Yamaha Phazer 480 Electric Start PZ480E 1986 Yamaha Phazer 480 PZ480 1987 Yamaha Phazer 480 PZ480 1987 Yamaha Phazer 480 Deluxe PZ480E 1988 Yamaha Phazer 480 PZ480 1988 Yamaha Phazer 480 Deluxe PZ480E 1989 Yamaha Phazer 480 PZ480 1990 Yamaha Phazer 480 II PZ480 1990 Yamaha Phazer 480 II LE Electric Start PZ480E 1991 Yamaha Phazer 480 II PZ480 1991 Yamaha Phazer 480 II LE Electric Start PZ480E 1991 Yamaha Phazer 480 II ST PZ480ST 1991 Yamaha Venture 480 XL VT480 1992 Yamaha Phazer 480 II PZ480 1992 Yamaha Phazer 480 II LE Electric Start PZ480E 1992 Yamaha Venture 480 GT VT480GT 1992 Yamaha Venture 480 XL VT480 1993 Yamaha Phazer 480 II PZ480 1993 Yamaha Phazer 480 II LE Electric Start PZ480E 1993 Yamaha Phazer 480 II ST PZ480ST 1993 Yamaha Venture 480 GT VT480GT 1993 Yamaha Venture 480 XL VT480 1994 Yamaha Phazer 480 II PZ480 1994 Yamaha Phazer 480 II Electric Start PZ480E 1994 Yamaha Phazer 480 II ST Long Track VT480ST 1994 Yamaha Venture 480 XL VT480 1995 Yamaha Phazer 480 II PZ480 1995 Yamaha Phazer 480 II LE Electric Start PZ480E 1995 Yamaha Phazer 480 II ST Long Track VT480ST 1995 Yamaha Venture 480 XL VT480 1996 Yamaha Phazer 480 II PZ480 1996 Yamaha Phazer 480 II LE Electric Start PZ480E 1996 Yamaha Phazer 480 II Mountain Lite PZ480ST 1996 Yamaha Venture 480 TR VT480TR 1996 Yamaha Venture 480 XL VT480 1997 Yamaha Phazer 480 Mountain Lite PZ480ST 1997 Yamaha Phazer 480 SS PZ480 1997 Yamaha Phazer 480 SS Electric Start PZ480E 1997 Yamaha Venture 480 TR VT480TR 1997 Yamaha Venture 480 XL VT480 1998 Yamaha Phazer 480 Mountain Lite PZ480ST 1998 Yamaha Phazer 480 SS PZ480 1998 Yamaha Phazer 480 SS Electric Start PZ480E 1998 Yamaha Venture 480 TR Electric VT480TR 1999 Yamaha Phazer 480 Mountain Lite PZ480ST 1999 Yamaha Phazer 500 PZ500 1999 Yamaha Venture 500 XL VT500XL 2000 Yamaha Phazer 500 PZ500 2000 Yamaha Phazer 500 Mountain Lite PZ500ML 2000 Yamaha Venture 500 XL VT500XL 2001 Yamaha Phazer 500 PZ500 2001 Yamaha Phazer 500 Deluxe PZ500DX 2001 Yamaha Phazer 500 Mountain Lite PZ500ML 2001 Yamaha Venture 500 XL VT500XL 2006 Yamaha Venture 500 XL VT500XL