2020 YAMAHA Engines & Components

Pro-X Racing Parts Valve Shims 29.748147.5

ProX Valve Shim 7.48 x 1.475 mm. (5 pcs.)

Part Number: PXR-29-748147-5

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748160

ProX Valve Shim 7.48 x 1.60 mm. (5 pcs.)

Part Number: PXR-29-748160

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748280

ProX Valve Shim 7.48 x 2.80 mm. (5 pcs.)

Part Number: PXR-29-748280

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748192.5

Valve Shims, 1.93mm Thickness, 7.48mm Diameter, for use on Honda®, Gas Gas, Husqvarna, Kawasaki, Sherco, Suzuki, Yamaha, Set of 5

Part Number: PXR-29-748192-5

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Hot Cams Refill Shim Packages 68-948295

Valve Shims, 2.95mm Thickness, 9.48mm Diameter, for use on Honda®, Arctic Cat, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK948295

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Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Hot Cams Refill Shim Packages 68-948205

Valve Shims, 2.05mm Thickness, 9.48mm Diameter, for use on Honda®, Arctic Cat, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK948205

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Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748175

Valve Shims, 1.75mm Thickness, 7.48mm Diameter, for use on Honda®, Gas Gas, Husqvarna, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: PXR-29-748175

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748185

ProX Valve Shim 7.48 x 1.85 mm. (5 pcs.)

Part Number: PXR-29-748185

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Pro-X Racing Parts Piston Clips 05.1612C

Piston Wrist Pin Retainers, Wire Lock, Steel, Gas Gas, for use on Honda®, Husaberg, Husqvarna, Kawasaki, KTM, Polaris, Suzuki, TM, Yamaha, Pair

Part Number: PXR-05-1612C

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Hot Cams Refill Shim Packages 68-948270

Valve Shims, 2.70mm Thickness, 9.48mm Diameter, for use on Honda®, Arctic Cat, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK948270

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Hot Cams Refill Shim Packages 68-948275

Valve Shims, 2.75mm Thickness, 9.48mm Diameter, for use on Honda®, Arctic Cat, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK948275

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Hot Rods Crankshafts 421-4178

Crankshaft Assembly, +5.000mm Stroke, Forged 4140 Steel, Each

Part Number: HRI-4178

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Cylinder Works 2-Stroke Cylinder Heads for 1999-2025 YZ250, 2024 YZ250 50TH ANNIVERSARY EDITION, 2022-2025 YZ250 MONSTER ENERGY YAMAHA RACING EDITION - 422-2001HD

Top End Engine Kit REPLACEMENT CYLINDER REPLACEMENT CYLINDER STANDARD BORE HEAD ONLY

Part Number: CLW-CH2001-K01

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Wiseco Powersports 4-Stroke Forged Series Piston Kits 40078M07600

Wiseco Powersports 4-Stroke Forged Series Piston Kits 40078M07600

Piston and Ring Kit, Forged Aluminum, 76.000mm Bore, Yamaha, Kit

Part Number: WIS-40078M07600

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Kibblewhite Lightweight Racing Valve Spring Kits for 2016-2021 WR450F, 2010-2019 YZ450F, 2016-2020 YZ450FX - 80-80750

Spring Kit, Titainium Retainers, Dual Springs, .450 in. Intake, .450 in. Exhaust, Yamaha, Kit

Part Number: KPM-80-80750

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Estimated Ship Date: Today

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Pro-X Racing Parts Cam Chains 31.2706

Powersports Timing Chains, Kawasaki, Suzuki, Yamaha, Each

Part Number: PXR-31-2706

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.948122.5

ProX Valve Shim 9.48 x 1.225 mm. (5 pcs.)

Part Number: PXR-29-948122-5

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.948220

ProX Valve Shim 9.48 x 2.20 mm. (5 pcs.)

Part Number: PXR-29-948220

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.VSA948

ProX Valve Shim Assortment 450cc 9.48 from 1.20 to 3.50

Part Number: PXR-29-VSA948

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.948312.5

ProX Valve Shim 9.48 x 3.125 mm. (5 pcs.)

Part Number: PXR-29-948312-5

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Wiseco Powersports Piston Kits for 2006-2020 YZF-R6, 2006-2009 YZF-R6S - CK206

Piston and Ring Kit, Forged Aluminum, 67.000mm Bore, Yamaha, Kit

Part Number: WIS-CK206

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Wiseco Powersports 4-Stroke Forged Series Piston Kits 4865M09600

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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Estimated Ship Date: May 27, 2026 if ordered today

Wiseco Powersports 4-Stroke Forged Series Piston Kits for 2018-2020 WR450F, YZ450FX, 2018-2019 YZ450F - PK1934

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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Estimated Ship Date: May 27, 2026 if ordered today

Wiseco Powersports Piston Wrist Pins S724

Piston Pin, Steel, Chrome, Straight, 23.00mm x 57.15mm, for use on Honda®, Polaris, Yamaha, Each

Part Number: WIS-S724

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 2002-2025 YZ85, 2019-2024 YZ85 LW, 2025 YZ85LW - 805M04950

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

Part Number: WIS-805M04950

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today