1 years
China
Verify the part fits before purchasing
Jack Shaft Kit Upper for Yamaha
Applications:
Yamaha Excell V XL540 1985 - 1991, Exciter 570 1990 - 1992, Exciter 570 High Altitude 1990, Exciter 570 ST 1992 - 1993, Exciter 570 SX 1993, Exciter 570/DLX 1987 - 1989, Exciter LE 570 1990 - 1993, Phazer II LE 1994, Phazer II LE 480 1995, Phazer II LE PZ480 1996, Phazer II Mountain Lite 480 1996 - 1999, Phazer II ST 480 1991 - 1995, Phazer Mountain Lite 480 1997, Phazer PZ480 1984 - 1990, Phazer SE 480 1984 - 1989, Phazer SS 480 1997 - 1998, Phazer SS Electric 480 1997 - 1998, SRV SR540 D E 1980 - 1981, SRV SR540 F G H 1982 - 1984, SRV SR540 J K L M N P 1985 - 1991, SS440 D E F G H 1980 - 1984, SS440J 1985, V Max VMX540G H J K L 1983 - 1987
OEM Replacement Part Number 14-1031, cross-references Yamaha OEM part numbers 8AB-17681-00-00, 89J-17681-00-00 Shaft Construction Material High-strength forged 4140 chromoly steel, fully heat treated for enhanced wear and impact resistance Surface Coating Black oxide finish, provides long-term corrosion resistance and reduces operating friction Precision Machined Outer Diameter 22mm, held to ±0.02mm OEM tolerance for seamless fit with existing drivetrain components Kit Included Components 1 upper jack shaft, 2 pre-pressed sealed rubber ball bearings, 1 woodruff key, 1 retaining snap ring Total Product Weight 1.28 kg / 2.82 lbs, matches OEM weight to avoid altering factory power delivery characteristics Operating Temperature Range -40°C to 120°C / -40°F to 248°F, engineered for reliability in extreme cold winter riding conditions Dynamic Load Rating 12 kN, compatible with up to 150 HP modified engine output without structural deformation Installation Difficulty Level Moderate, requires standard socket set and bearing puller tool, ~1.5 hour average installation time Warranty Coverage 12-month unlimited mileage warranty against manufacturing and material defects