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 2003-2006 TOP END ENGINE PARTS REBUILD KIT PROX $389.50 OUT OF STOCK 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 $209.50 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 2003-2015 CYLINDER KIT STD BORE ATHENA PARTS CYLINDER KITS STANDARD BORE - 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 get... $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 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 OUT OF STOCK 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... $289.50 Choose Options 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... $379.50 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... $379.50 Add to Cart 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 2003-2015 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 2003-2018 COMPLETE ENGINE GASKET KITS COMPLETE ENGINE GASKET KITS YAMAHA WR450F FROM 2003-2018 The Yamaha WR450F Complete gasket set consists of multi layer head gasket, base gasket, exhaust gasket, case gaskets, valve cover gasket, clutch cover, o-rings and... $179.50 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 2003-2006 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 2003-2018 WATER PUMP REPAIR KITS PROX PARTS PROX WATER PUMP REBUILD KITS YAMAHA WR450F FROM 2003-2018 If you need to rebuild your Yamaha WR450F Water pump than look no further than the ProX Water pump repair kit which includes all the necessary clutch cover gaskets, seals,... $69.50 Choose Options 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 2003-2015 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... $209.50 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... $279.50 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... $209.00 Add to Cart 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 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 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 2004-2018 CLUTCH BASKET PROX MX PARTS PRO X CLUTCH BASKET - YAMAHA WR450F 2004-2018 ProX Yamaha WR450F Clutch Baskets are precision machined from heat treated aircraft type aluminum alloy to O.E.M. precision standards. Factory hard-anodising process guarantees extended... $349.50 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 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 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... $57.50 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 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... $57.50 Add to Cart 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... $57.50 Add to Cart Compare
Quick view YAMAHA WR450F 2003-2019 BOLT KIT FULL BIKE FASTENERS 172 PCE YAMAHA FULL BIKE BOLT & FASTENERS KIT WR450F 2003-2019 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 OUT OF STOCK 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... $148.50 Choose Options 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 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 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... $109.50 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 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 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 2003-2021 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,... $42.50 Choose Options 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 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... $32.50 Add to Cart 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 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 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 2003-2021 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 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 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 2003-2018 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 MOTORBIKE DRIVE CHAIN 250 450cc MX 520 CHAIN 120 LINKS PROX PRO X GOLD MOTORBIKE CHAIN 120 LINKS, 520 STANDARD CHAIN ProX has developed a premium line of Standard Roller Chains to team up with ProX front and rear sprockets. The ProX Roller Chain is a proven dirt bike chain, exclusively manufactured... $133.50 Add to Cart Compare
Quick view MX DRIVE CHAIN GOLD X-RING - 120 LINKS MOTORCYCLE PARTS PROX GOLD X RING MX CHAIN SIZE 520 - 120 LINKS ProX has developed a line of X Ring Roller Chains to team up with the ProX front and rear sprockets. The ProX X-Ring Roller Chain is a top quality motorcycle chain,... $144.50 OUT OF STOCK Compare
