YAMAHA YZ85 Pistons & Piston Rings

Piston and Ring Kit, Forged Aluminum, 52.500mm Bore, Yamaha, Kit

Part Number: WIS-767M05250

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Piston Wrist Pin Retainers, Retaining Clips, Wire Lock Type, Steel, 0.039 in. Thickness, 0.551 in. Wrist Pin Diameter, for use on Honda®, KTM, Pair

Part Number: WIS-CW14

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Piston and Ring Kit, Forged Aluminum, 47.500mm Bore, Yamaha, Kit

Part Number: WIS-805M04750

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Estimated Ship Date: Mar 18, 2026 if ordered today

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ProX Piston Kit YZ85 '02-22 (47.44mm)

Part Number: PXR-01-2114-A

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Piston and Ring Kit, Big Bore, Cast Aluminum, 52.500mm Bore, Yamaha, Kit

Part Number: VPX-23628B

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Piston Ring, Chrome, 47.50mm, for use on Honda®, Suzuki, Yamaha, Each

Part Number: WIS-1869CS

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Piston Ring, Chrome, 48.00mm, for use on Honda®, Suzuki, Yamaha, Each

Part Number: WIS-1890CS

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Piston Ring, Chrome, 48.50mm, for use on Honda®, Suzuki, Yamaha, Each

Part Number: WIS-1909CS

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Piston Ring, Chrome, 49.50mm, for use on Honda®, Suzuki, Yamaha, Each

Part Number: WIS-1949CS

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Piston Ring, Chrome, 52.50mm, Kawasaki, Each

Part Number: WIS-2067CS

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Piston and Ring Kit, Forged Aluminum, 49.000mm Bore, Yamaha, Kit

Part Number: WIS-805M04950

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Engine Piston, Racers Elite Yamaha YZ85 '02-20 1869CS

Part Number: WIS-RE900M04750

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Piston Wrist Pin, Powersports, Tapered, Steel, 14.00mm Diameter, 41.00mm Length, Each

Part Number: WIS-S288

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Piston Pin, Steel, Tapered, 14.00mm x 38.35mm, for use on Honda®, KTM, Suzuki, Yamaha, Each

Part Number: WIS-S517

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Estimated Ship Date: Mar 18, 2026 if ordered today

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RING KIT

Part Number: NTI-NX-10080-2R

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Estimated Ship Date: Mar 16, 2026 if ordered today

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ProX Piston Kit YZ85 '02-22 (47.45mm)

Part Number: PXR-01-2114-B

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Estimated Ship Date: Mar 16, 2026 if ordered today

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ProX Piston Pin 14 x 39.00mm CR/YZ 80

Part Number: PXR-04-1439

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Piston Wrist Pin Retainers, C-Clip, Steel, for use on Honda®, Husqvarna, Kawasaki, KTM, Suzuki, Yamaha, Pair

Part Number: PXR-05-1410C

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Estimated Ship Date: Mar 16, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK24370B

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Estimated Ship Date: Mar 17, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK24370C

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Estimated Ship Date: Mar 9, 2026 if ordered today

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ProX Piston Kit YZ85 '02-22 (47.46mm)

Part Number: PXR-01-2114-C

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Piston and Ring Kit, Forged Aluminum, 48.500mm Bore, Yamaha, Kit

Part Number: WIS-PK1204

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Piston and Ring Kit, Forged Aluminum, 52.500mm Bore, Yamaha, Kit

Part Number: WIS-PK1343

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Engine Piston, Racers Elite Yamaha YZ85 '02-20 1909CS

Part Number: WIS-RE900M04850

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Piston and Ring Kit, Forged Aluminum, 48.500mm Bore, Yamaha, Kit

Part Number: WIS-805M04850

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Estimated Ship Date: Feb 23, 2026 if ordered today

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