Yamaha YZ400F
The Yamaha YZ400F, which is often referred to as the YZF400, endured a brief but popular life in the legacy of 4-stroke dirt bikes. The YZF was born in 1998 and encountered key changes in its engine and overall design during the 1999 and 2000 YZ400F model years, when production of the YZF400 ended.
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JE Pistons Yamaha WR400F YZ400F (98-99) Piston Kit - 399cc / 92mm / 13.5:1 Compression
JE WR 400F YZ 400F Pistons are crafted from 2618 T6 high-tensile stren...$179.95 -
JE Pistons Yamaha WR400F YZ400F (98-99) Piston Kit - 417cc / 94mm / 13.5:1 Compression
JE WR 400F YZ 400F Pistons are crafted from 2618 T6 high-tensile stren...$179.95
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Pivot Works Rear Wheel Axle Carrier Bearing Kit - Yamaha WR250 (91-97) WR400F (98) WR500Z (92-93) YZ125 (88-98) YZ250 (88-98) YZ400F (98)
Pivot Works Rear Wheel Axle Carrier Bearing Rebuild Kits$19.95
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Pivot Works Steering Stem Bearing Kits - Yamaha WR400F (98-99) YZ125 (96-99) YZ250 (96-99) YZ400F (98-99)
Pivot Works Dirt Bike Steering Stem Bearing Kits$49.95 -
Pivot Works Swing Arm Bearing Kit - Yamaha WR250F (01) WR400F (99-00) WR426F (01) YZ125 (99-01) YZ250 (99-01) YZ250F (01) YZ400F (99) YZ426F (00-01)
Pivot Works Swing Arm Bearing Kits$69.95
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Pivot Works Swing Arm Bearing Kit - Yamaha WR400F (98) YZ125 (98) YZ250 (98) YZ400F (98)
Pivot Works Swing Arm Bearing Kits$69.95
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Trail Tech Vapor Dirt Bike Computer - Kawasaki KLX400 (03-08) KX125 KX250 (04-08) Suzuki RM125 RM250 RMZ250 RMZ450 (00-0
Trail Tech Vapor Dirt Bike Computers$149.95
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XRs Only Oil Temperature Dip Stick - Yamaha YZ400F YZ426F
XRs Only Oil Temperature Dip Stick (TDS)$47.95