Quick view YAMAHA WR450F 2003-2017 BIG BORE CYLINDER KITS ATHENA PARTS $919.00 Choose Options Compare
Quick view YAMAHA WR450F 2003-2020 CON ROD BOTTOM END REBUILD KIT PROX $695.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 COMPLETE ENGINE GASKETS SEALS VERTEX $219.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2020 TOP END ENGINE GASKET SETS HEAD BASE $128.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2015 STEEL EXHAUST VALVE & SPRINGS KIT PROX $219.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2020 CAM TIMING CHAINS ENGINE PARTS PROX $119.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2020 CONNECTING CON ROD ENGINE PART PROX $269.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 FRONT BRAKE CALIPER REBUILD KIT PROX $44.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 FRONT BRAKE MASTER CYLINDER KIT PROX $44.90 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 FORK SEALS KIT PROX SUSPENSION PARTS $44.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 REAR SPROCKET 48 49 50 51 T LIGHT STEEL $89.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2015 CYLINDER KIT STD BORE ATHENA PARTS CYLINDER KITS STANDARD BORE FITS - YAMAHA WR450F FROM 2003-2015 ATHENA Standard Cylinder Kits are legendary in the dirt bike world, they include everything you need to rebuild your top end of your WR450F with Italian made parts and... $798.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2017 BIG BORE CYLINDER KITS ATHENA PARTS ATHENA BIG BORE CYLINDER KITS YAMAHA WR450F FROM 2003-2017 The Italian made Athena Big Bore Kits include - Big Bore WR450F Cylinders from 478-500cc !!! - Athena WR450F Top End Gasket set with Head Gasket, Base & Exhaust Gasket -... $919.00 Choose Options Compare
Quick view YAMAHA WR450F 2003-2020 CON ROD BOTTOM END REBUILD KIT PROX CON ROD BOTTOM END PARTS REBUILD KITS YAMAHA WR450F FROM 2003-2020 Kit Includes -Pro X/Wossner Connecting Rod Kit - Pro X Main / Crank bearings Set - Winderosa / Vertex Complete Gasket Set (whichever in stock) - Full Engine... $695.50 Choose Options Compare
Quick view YAMAHA WR450F 2020 TOP END ENGINE PARTS REBUILD KIT PROX TOP END PARTS REBUILD KIT - YAMAHA WR450F 2020 Rebuild Kit Includes - PROX Piston Kit 96.95mm with piston, rings, wrist pin, 2x circlips. (B Size Available) - VERTEX Top End Gasket Set with Base Gasket, Multi layer... $389.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2020 PISTON KITS PROX ENGINE PARTS PROX PISTON KITS YAMAHA WR450F FROM 2003-2020 Piston Kit Includes- - Piston, ring set, wrist pin and 2 clips. - Standard "A" size supplied, comment if you need B or C size. ProX uses the same low friction alloys used by all... $299.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2006 TOP END ENGINE PARTS REBUILD KIT PROX TOP END ENGINE PARTS REBUILD KIT YAMAHA WR450F 2003-2006 Rebuild Kit Includes - PRO X Piston Kit 94.95mm with piston, rings, wrist pin, 2x circlips. (B Size Available) - Vertex/ProX Top End Gasket Set with Base Gasket,... $389.50 Add to Cart Compare
Quick view YAMAHA WR450F 2007-2015 TOP END ENGINE PARTS REBUILD KIT PROX TOP END ENGINE PARTS REBUILD KIT YAMAHA WR450F 2007-2015 Rebuild Kit Includes - PRO X Piston Kit 94.95mm with piston, rings, wrist pin, 2x circlips. (B Size 94.96mm Available) - VERTEX/ATHENA Top End Gasket Set with Base... $389.50 Add to Cart Compare
Quick view YAMAHA WR450F 2016-2018 TOP END ENGINE PARTS REBUILD KIT PROX TOP END PARTS REBUILD KIT - YAMAHA WR450F 2016-2018 Rebuild Kit Includes - PROX Piston Kit 96.95mm with piston, rings, wrist pin, 2x circlips. (B Size Available) - VERTEX Top End Gasket Set with Base Gasket, Multi... $389.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2015 CYLINDER KIT STANDARD BORE ATHENA ATHENA CYLINDER KITS YAMAHA WR450F 2003-2015 Athena 4 Stroke Yamaha Cylinder Kits are standard bore Cylinders, which also include a top end gasket kit. Both necessary components for performing a full top end engine rebuild... $555.00 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 COMPLETE ENGINE GASKETS SEALS VERTEX COMPLETE ENGINE GASKET KITS FITS - YAMAHA WR450F FROM 2003-2021 The Vertex WR450F gasket set consists of all engine gaskets & Engine seals for a total WR450F motor rebuild, top & bottom. ... $219.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2020 TOP END ENGINE GASKET SETS HEAD BASE TOP END ENGINE GASKET KIT - YAMAHA WR450F FROM 2003-2020 The Yamaha WR450F top end gasket sets consists of multi layer head gasket, base gasket, exhaust gasket, o-rings and valve stem seals. These gasket sets are made for a top end... $128.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2018 COUNTER SHAFT SEAL REPAIR KIT PROX COUNTERSHAFT SEAL REPAIR KIT FITS - YAMAHA WR450F 2003-2018 Convenient service kit to fix a leaking counter shaft seal (front sprocket seal) in one complete kit. Includes - Countershaft seal, applicable bushing, washer and o-rings... $46.50 Add to Cart Compare
Quick view YAMAHA WR450F 2004-2015 ENGINE OIL SEALS KIT BOTTOM END MXSP ENGINE OIL SEALS KIT FITS YAMAHA WR450F 2004-2015 This Yamaha WR450F kit includes all engine oil seals for a bottom end engine rebuild. These Yamaha seals are OE specification dirt bike parts or better. Seals, water pump... $44.00 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2018 WATER PUMP REPAIR KITS PROX PARTS PROX WATER PUMP REBUILD KITS YAMAHA WR450F FROM 2003-2018 Need to repair your Yamaha WR450F Water pump? Includes all the necessary clutch cover gaskets, seals, o-rings and bearings to get the job done right first time. Premium... $69.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2006 WATER PUMP REPAIR KIT SEALS GASKET WATER PUMP REPAIR KIT YAMAHA WR450F 2003-2006 MXSP Yamaha WR450F water pump Seal repair kit includes - Water pump cover gasket or o-ring, Inner clutch cover gasket, water pump seals. Convenient value for money service kit to repair... $39.95 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2018 ENGINE OIL SEAL KITS ATHENA PARTS ATHENA ENGINE OIL SEALS KIT YAMAHA WR450F 2003-2018 Kit includes all engine oil seals whether your replacing leaking sprocket seal, crankshaft seal or water pump seal. Perfect for a full bottom end engine rebuild. The... $79.50 Choose Options Compare
Quick view YAMAHA WR450F 2016-2020 EXHAUST VALVE KIT TITANIUM PROX EXHAUST VALVE TITANIUM KIT YAMAHA WR450F 2016-2020 This kit consists of 2 Titanium Exhaust Valves. EXHAUST VALVE KITS - The Yamaha WR450F Pro X Exhaust Valves are manufactured of premium Ti3al alloy to exact OEM... $278.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2015 STEEL INTAKE VALVE & SPRINGS KIT PROX STEEL INTAKE VALVES & SPRINGS KIT YAMAHA WR450F 2003-2015 THIS STEEL VALVE KIT INCLUDES 3 INTAKE VALVES & 3 VALVE SPRINGS The Yamaha WR450F Pro X Steel Intake Valves & Springs are manufactured of premium grade... $289.50 Add to Cart Compare
Quick view YAMAHA WR450F 2016-2018 STEEL INTAKE VALVE & SPRINGS PROX STEEL INTAKE VALVES & SPRINGS KIT YAMAHA WR450F 2016-2018 The Yamaha WR450F steel Intake Valves and springs are made of premium high grade steel. Exact OEM specification and tolerances The Pro X inlet valves... $219.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2015 STEEL EXHAUST VALVE & SPRINGS KIT PROX STEEL EXHAUST VALVE & SPRINGS KIT YAMAHA WR450F 2003-2015 This kit consists of 2 Stainless Steel Exhaust Valves and 2 Upgraded Valve springs WR450F Pro X steel Exhaust Valves are manufactured of premium grade steel... $219.50 Add to Cart Compare
Quick view YAMAHA YZ450F WR450F 2003-2021 VALVE SHIM KIT 9.48mm ASSORTED VALVE SHIM KIT 9.48mm SIZE YAMAHA YZ450F 2003-2021 YAMAHA WR450F 2003-2021 SIZES 1.20mm to 3.50mm IN .05mm INCREMENTS 3 EACH SIZE - 145 TOTAL (if out of stock equivalent Psychic kit will be sent) The Yamaha YZ450F WR450F... $188.00 Add to Cart Compare
Quick view YAMAHA WR450F 2005-2015 CLUTCH PLATES & SPRINGS KIT PROX COMPLETE CLUTCH PLATE & SPRINGS KIT YAMAHA WR450F 2005-2015 Includes- Drive Plates, Fibre Friction Plates, Springs set. All friction plates are made to exact OEM specifications and offer maximum performance and... $266.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2020 CAM TIMING CHAINS ENGINE PARTS PROX PRO X CAM TIMING CHAINS YAMAHA WR450F FROM 2003-2020 The Yamaha WR450F Pro X Cam Timing Chains are manufactured by Borg Warner in Japan. Borg warner are the big name in supplying OEM Companies worldwide. Designed with... $119.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2020 CONNECTING CON ROD ENGINE PART PROX PROX CONNECTING RODS YAMAHA WR450F 2003-2020 ProX Connecting Rod Kits come complete with Crankpin, Big-End Bearing, Small End Bearing and Washers. Connecting Rods is one of ProX core product lines, where they became famous with... $269.50 Choose Options Compare
Quick view YAMAHA WR450F 2019-2021 FRONT WHEEL BEARINGS & SEALS PROX FRONT WHEEL BEARING & SEAL KIT YAMAHA WR450F 2019-2021 Why settle for the compromised steering and handling caused by dodgy front wheel bearings and seals, When a single PRO X Yamaha WR450F Front wheel bearing kit... $66.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2018 FRONT WHEEL BEARINGS & SEALS PROX FRONT WHEEL BEARING & SEAL KIT YAMAHA WR450F 2003-2018 Why settle for the compromised steering and handling caused by dodgy front wheel bearings and seals, when a single PRO X Yamaha WR450F Front wheel bearing kit... $59.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2021 REAR WHEEL BEARINGS & SEALS KIT PROX REAR WHEEL BEARINGS & SEALS KIT YAMAHA WR450F 2003-2021 Dont settle for the compromised handling and steering caused by shagged out wheel bearings and seals. The Yamaha WR450F Rear wheel bearing... $59.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2021 CRANKSHAFT MAIN BEARINGS KIT PROX CRANKSHAFT MAIN BEARINGS KIT YAMAHA WR450F 2003-2021 ProX Yamaha WR450F crankshaft bearings are manufactured at leading O.E.M. factories in Japan. All crank bearings are made to exact O.E.M. specifications, to ensure maximum quality and... $169.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2021 BOLT KIT FULL BIKE FASTENERS 172 PCE YAMAHA FULL BIKE BOLT & FASTENERS KIT WR450F 2003-2021 172 Piece Kit Yamaha WR450F Factory Style Hardware Kit Fastens- Bolts for All plastics, Sub-frame, brake system, exhaust pipe, chain guides, sprocket bolts, skid plate and guards,... $69.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2018 RADIATOR SETS PSYCHIC PARTS PSYCHIC RADIATOR SETS YAMAHA FROM WR450F 2003-2018 Psychic radiators sets are made as a direct OEM replacement, Easy installation and no modifications required. All psychic radiators have tig welding seams, to connections and to brackets... $239.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 LINKAGE BEARING REBUILD KITS PROX PRO X LINKAGE BEARING RE-BUILD KITS YAMAHA WR450F 2003-2021 Worn Linkage bearings will effect bike suspension and handling! Each Yamaha WR450F Pro X linkage rebuild kit includes Every OE quality bearing, seal, pin and collar you need to... $149.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 STEERING STEM BEARING KIT PROX PARTS STEERING STEM BEARING KIT YAMAHA WR450F 2003-2021 Eliminate compromised steering performance due to worn head set bearings. The Yamaha WR450F steering stem bearing kit contains both upper & lower OEM head set bearings and... $78.50 Add to Cart Compare
Quick view YAMAHA WR250F WR450F 2001-2021 UPPER SHOCK BEARING KIT PROX UPPER SHOCK BEARING KITS YAMAHA WR250F 2001-2021 YAMAHA WR450F 2003-2021 Eliminate compromised shock performance due to worn pivot point bearings with a Pro X upper shock bearing kit. The Shock kit contains... $44.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2021 SWING ARM BEARING KITS PROX PARTS SWING ARM BEARING KITS YAMAHA WR450F FROM 2003-2021 Worn swing arm bearings can lead to a loss of action and handling in your rear suspension. However, a PRO X Swing Arm Bearing Kit for your Yamaha WR450F can... $119.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 FRONT BRAKE CALIPER REBUILD KIT PROX FRONT BRAKE CALIPER REBUILD KIT YAMAHA WR450F 2003-2021 Full service kit for Yamaha WR450F Front brake caliper. Yamaha OEM online replacement parts at a fraction of OEM price. Includes- brake pin, dust caps, o-ring seals, washers &... $44.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 REAR BRAKE CALIPER REBUILD KIT PROX REAR BRAKE CALIPER REBUILD KIT YAMAHA WR450F FROM 2003-2021 Full service kit for Yamaha WR450F Rear brake caliper. Yamaha OEM online replacement parts at a fraction of OEM price. Includes- brake pin, dust caps, o-ring seals, washers... $44.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2021 REAR BRAKE MASTER CYLINDER KIT PROX REAR MASTER CYLINDER REBUILD KIT FITS YAMAHA WR450F FROM 2003-2021 Full service kits for Yamaha WR450F Rear brake master cylinder. Yamaha OEM online replacement parts at a fraction of OEM price. Includes- piston seals, spring,... $44.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 FRONT BRAKE MASTER CYLINDER KIT PROX FRONT MASTER CYLINDER REBUILD KIT YAMAHA WR450F 2003-2021 Full service kits for Yamaha WR450F Front brake master cylinder. Yamaha OEM online replacement parts at a fraction of OEM price. Includes- piston seals, spring, dust caps,... $44.90 Choose Options Compare
Quick view YAMAHA WR450F 2003-2020 REAR WHEEL SPACERS KIT PROX PARTS PRO X REAR WHEEL SPACER KIT YAMAHA WR450F 2003-2020 The ProX Wheel Spacer Kit is a complete and direct replacement for the OEM parts. The ProX alloy Yamaha WR450F Rear Wheel spacers feature a hardened steel shell Pressed over the alloy... $57.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2021 REAR BRAKE PADS SINTER TYPE MXSP REAR BRAKE PAD SET YAMAHA WR450F 2003-2021 MXSP WR450F Rear Brake Pads will out perform and out brake kevlar and organic type brake pads. Sinter type pads are a premium braking compound for the best stopping power. Gives a far... $33.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2015 FRONT BRAKE PADS SINTER TYPE MXSP FRONT BRAKE PAD SET - YAMAHA WR450F 2003-2015 These Yamaha WR450F front brake pads are made from a durable sinter compound. Gives superior feel to an organic compound pad. Sinter gives maximum durability with great braking power in all... $33.50 Add to Cart Compare
Quick view YAMAHA WR450F FROM 2003-2021 FRONT BRAKE DISC ROTORS PROX PROX FRONT BRAKE DISC ROTORS YAMAHA WR450F FROM 2003-2021 The Yamaha WR450F Front Brake Disc Rotors are made from premium hardened stainless steel. The WR450F Front brake rotors are wave designed with laser cut venting... $119.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 REAR DISC BRAKE ROTOR PROX PARTS REAR BRAKE DISC ROTOR YAMAHA WR450F 2003-2021 The Yamaha WR450F Rear Brake Rotor is Heat treated and tempered stainless steel. Laser cut 3mm Stainless steel rear disc rotor, 245mm Diameter, Full Yamaha OEM replacement part... $119.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 FORK SEALS KIT PROX SUSPENSION PARTS FORK SEAL KITS YAMAHA WR450F FROM 2003-2021 SIZES 46x58, 48x58,5x4,70/11,50 ProX manufactures the most complete range of fork oil seal kits and dust seal kits, The quality of these Yamaha WR450F Fork seals meets or exceeds... $44.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 DUST SEALS REPLACEMENT KIT PROX DUST SEALS REPAIR KITS YAMAHA WR450F FROM 2003-2021 SIZES 46x58, 48x58,5x4,70/11,50 ProX manufactures a full range of premium fork oil seal kits and dust seal kits. These Yamaha WR450F Fork Dust seals meets or exceeds OEM part... $39.95 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 OIL FILTERS 2 PACK SERVICE KIT PROX 2 PACK PROX OIL FILTERS YAMAHA WR450F 2003-2021 PRO X is a distributor of Premium Oil filters to the most important motorcycle manufacturers. Yamaha WR450F Oil filters use a high grade filter paper to provide premium... $29.90 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2021 AIR FILTERS DUAL LAYER FOAM PROX PROX AIR FILTERS YAMAHA WR450F FROM 2003-2021 PROX has designed a complete range of air filters for Yamaha dirt bikes. Their filters are manufactured using a double layers open cells polyurethane filter material. This... $36.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2018 CLUTCH CABLES PROX PARTS PRO X CLUTCH CABLES YAMAHA WR450F FROM 2003-2018 Yamaha WR450F Clutch cables feature a rolled tempered-steel wire housing. With exact inner and outer specs to ensure perfect movement for the inner cable. All cables have an... $48.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 THROTTLE CABLES PROX PARTS THROTTLE CABLES YAMAHA WR450F 2003-2021 Yamaha WR450F Throttle cables feature a rolled tempered-steel wire housing. Made to exact inner and outer specifications to ensure accurate clearances for the inner cable. All... $79.50 Choose Options Compare
Quick view YAMAHA YZ450F WR450F 2003-2021 THROTTLE ASSEMBLY + TUBE MXSP OEM TYPE THROTTLE ASSEMBLY YAMAHA APPLICATIONS YZ450F 2003-2021 WR450F 2003-2021 Direct OEM replacement Throttle Assembly part for Yamaha YZ450F & WR450F Die Cast casing, throttle tube and bolts. Easy to Install. Exceptional value and... $48.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2021 REAR SPROCKET 48 49 50 51 T LIGHT STEEL ULTRALIGHT REAR STEEL SPROCKET YAMAHA WR450F 2003-2021 48 49 50 51 Tooth Factory Black Ultralight Steel Sprockets Yamaha WR450F rear steel sprockets contain self cleaning grooves. This improves sprocket life along... $89.50 Choose Options Compare
Quick view YAMAHA WR450F 2003-2021 REAR SPROCKET 48 49 50 51 52 TOOTH REAR ALLOY SPROCKET YAMAHA WR450F 2003-2021 Choose from - 48 49 50 51 52 Tooth - Factory Black Colour, Made in USA. (If ProX out of stock, equivalent alloy Sprocket will be sent) The Yamaha WR450F rear sprockets contain self... $89.50 Choose Options Compare
