2020 YAMAHA Engines & Components

CRANKSHAFT

Part Number: HRI-HR00047

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Estimated Ship Date: May 14, 2026 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-22984B

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Estimated Ship Date: May 22, 2026 if ordered today

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Standard Bore Cylinder, CYLINDER ONLY 97.00/STD YAM

Part Number: CLW-CW20014

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Estimated Ship Date: May 22, 2026 if ordered today

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Camshaft, CAMSHAFT STAGE 2

Part Number: HCP-4288-2IN

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Estimated Ship Date: May 13, 2026 if ordered today

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Engine Piston Set, Yamaha YZ450F '18-19 13.5:1 CR (40200M)

Part Number: WIS-PK1934

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Estimated Ship Date: May 27, 2026 if ordered today

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Piston and Ring Kit, Forged Aluminum, 96.000mm Bore, Yamaha, Kit

Part Number: WIS-4865M09600

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Estimated Ship Date: May 27, 2026 if ordered today

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Camshaft, CAMSHAFT STAGE 3

Part Number: HCP-4302-3IN

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Estimated Ship Date: May 14, 2026 if ordered today

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VERTEX FORGED HIGH COMP PISTON KIT

Part Number: VPX-24381A

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Estimated Ship Date: May 27, 2026 if ordered today

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Piston and Ring Kit, High-Compression, Forged Aluminum, 102.000mm Bore, 11.00 to 1 Compression, Yamaha, Kit

Part Number: VPX-23966B

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Estimated Ship Date: May 27, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC23551A1

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Estimated Ship Date: May 22, 2026 if ordered today

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Camshaft, CAMSHAFT STAGE 2

Part Number: HCP-4289-2E

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Estimated Ship Date: May 13, 2026 if ordered today

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Top End Engine Kits CYL WORKS BIG BORE POWER VALVE CYL WORKS BIG BORE POWER VALVE INCL SIDE VALVES YZ250 '99-1

Part Number: CLW-CW-PV-K02

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Estimated Ship Date: May 22, 2026 if ordered today

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Camshaft, CAMSHAFT STAGE 3

Part Number: HCP-4303-3E

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Estimated Ship Date: May 14, 2026 if ordered today

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VERTEX FORGED BIG BORE PISTON KIT

Part Number: VPX-24461A

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Estimated Ship Date: May 22, 2026 if ordered today

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Piston and Ring Kit, High-Compression, Forged Aluminum, 95.500mm Bore, 13.00 to 1 Compression, Yamaha, Kit

Part Number: VPX-23551A

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Estimated Ship Date: May 27, 2026 if ordered today

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Camshaft, CAMSHAFT STAGE 1

Part Number: HCP-4286-1IN

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Estimated Ship Date: May 14, 2026 if ordered today

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Piston and Ring Kit, Forged Aluminum, 96.000mm Bore, Yamaha, Kit

Part Number: WIS-4835M09600

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Estimated Ship Date: May 27, 2026 if ordered today

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VERTEX FORGED BIG BORE PISTON KIT

Part Number: VPX-24461B

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Estimated Ship Date: May 22, 2026 if ordered today

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Crankshaft Assembly, Forged 8620 Steel, Each

Part Number: HRI-4138

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Estimated Ship Date: May 13, 2026 if ordered today

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Piston and Ring Kit, Big Bore, Forged Aluminum, 105.000mm Bore, 10.00 to 1 Compression, Yamaha, Kit

Part Number: VPX-23967B

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Estimated Ship Date: May 22, 2026 if ordered today

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Engine Piston Set, Yamaha YZ450F '18-19 12.8:1 CR (40199M)

Part Number: WIS-PK1933

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Estimated Ship Date: May 27, 2026 if ordered today

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