Yamaha YZ450F Parts & Accessories

Everything we stock that fits the Yamaha YZ450F (2003–2005): 47 parts, each verified against manufacturer fitment data, grouped by category. Prices and stock are live. Not sure on year or trim? Use the bike finder to confirm your exact match.

Brakes for the Yamaha YZ450F

Master Cylinder Rebuild Kit — Gas-Gas EC250Master Cylinder Rebuild Kit — Gas-Gas EC250 $28.31 Master Cylinder Rebuild Kit — Gas-Gas EC125Master Cylinder Rebuild Kit — Gas-Gas EC125 $28.07 Brake Caliper Rebuild Kit — Gas-Gas EC125Brake Caliper Rebuild Kit — Gas-Gas EC125 $31.23 Brake Caliper Rebuild Kit — Gas-Gas EC125Brake Caliper Rebuild Kit — Gas-Gas EC125 $30.99 Brake Caliper Bolt Kit — Gas-Gas EC125Brake Caliper Bolt Kit — Gas-Gas EC125 $10.90 Brake Caliper Bolt Kit — Beta RC 4T 450 (2025) +Brake Caliper Bolt Kit — Beta RC 4T 450 (2025) + $10.37 Brake Caliper Piston Kit — Beta RC 4T 450 (2025)Brake Caliper Piston Kit — Beta RC 4T 450 (2025) $47.86 Brake Caliper Piston Kit — Beta RC 4T 450 (2025)Brake Caliper Piston Kit — Beta RC 4T 450 (2025) $26.57

Drivetrain for the Yamaha YZ450F

JT Sprockets Steel Front Sprocket — JTF565.14SC (14T)JT Sprockets Steel Front Sprocket — JTF565.14SC (14T) $11.99 JT Sprockets Steel Front Sprocket — JTF565.16 (16T)JT Sprockets Steel Front Sprocket — JTF565.16 (16T) $11.99 JT Sprockets Self-Cleaning Steel Rear Sprocket — JTR251.48SC (48T) — (seeJT Sprockets Self-Cleaning Steel Rear Sprocket — JTR251.48SC (48T) — (see $36.99 JT Sprockets Self-Cleaning Steel Rear Sprocket — JTR251.49SC (49T) — (seeJT Sprockets Self-Cleaning Steel Rear Sprocket — JTR251.49SC (49T) — (see $36.99 JT Sprockets Self-Cleaning Steel Rear Sprocket — JTR251.50SC (50T) — (seeJT Sprockets Self-Cleaning Steel Rear Sprocket — JTR251.50SC (50T) — (see $36.99 Renthal Front Sprocket Grooved 14T — Kawasaki/Yamaha — (PN 289--520-14GP)Renthal Front Sprocket Grooved 14T — Kawasaki/Yamaha — (PN 289--520-14GP) $34.16 Renthal Front Sprocket Grooved 15T — Kawasaki/Yamaha — (PN 289--520-15GP)Renthal Front Sprocket Grooved 15T — Kawasaki/Yamaha — (PN 289--520-15GP) $34.16 JT Sprockets Steel Front Sprocket — JTF565.13 (13T)JT Sprockets Steel Front Sprocket — JTF565.13 (13T) $8.99 JT Sprockets Steel Front Sprocket — JTF565.14 (14T)JT Sprockets Steel Front Sprocket — JTF565.14 (14T) $8.99 JT Sprockets Steel Front Sprocket — JTF565.15RB (15T)JT Sprockets Steel Front Sprocket — JTF565.15RB (15T) $11.99 Wheel Bearing Kit — Triumph TF 250-C (2026) + 13Wheel Bearing Kit — Triumph TF 250-C (2026) + 13 $31.04 Wheel Bearing Kit — Yamaha WR250F (2001-2025) +Wheel Bearing Kit — Yamaha WR250F (2001-2025) + $36.31 JT Sprockets Self-Cleaning Steel Rear Sprocket — JTR251.51SC (51T) — (seeJT Sprockets Self-Cleaning Steel Rear Sprocket — JTR251.51SC (51T) — (see $36.99 JT Sprockets Steel Front Sprocket — JTF565.15 (15T)JT Sprockets Steel Front Sprocket — JTF565.15 (15T) $11.99

Suspension for the Yamaha YZ450F

Fork Bushing Kit — Honda CR125R (1997-2007) + 16Fork Bushing Kit — Honda CR125R (1997-2007) + 16 $52.84 Fork Bushing Kit — Yamaha WR250F (2006-2014) + 5Fork Bushing Kit — Yamaha WR250F (2006-2014) + 5 $53.47 Fork Bushing Kit — Beta RR 2T 125 RaceFork Bushing Kit — Beta RR 2T 125 Race $68.75 Fork Oil Seal Kit — Ducati Desert X (2023-2025)Fork Oil Seal Kit — Ducati Desert X (2023-2025) $19.50 Fork Oil Seal Kit — Beta RR 2T 125 (2019-2023) +Fork Oil Seal Kit — Beta RR 2T 125 (2019-2023) + $18.24 Fork Dust Seal Kit — Ducati Desert X (2023-2025)Fork Dust Seal Kit — Ducati Desert X (2023-2025) $19.87 Fork Dust Seal Kit — Beta RR 2T 125 (2019-2023)Fork Dust Seal Kit — Beta RR 2T 125 (2019-2023) $19.50 Suspension Linkage Bearing Kit — Yamaha WR250FSuspension Linkage Bearing Kit — Yamaha WR250F $109.36 Suspension Linkage Bearing Kit — Yamaha WR250FSuspension Linkage Bearing Kit — Yamaha WR250F $109.36 Swingarm Bearing Kit — Yamaha WR250F (2002-2005)Swingarm Bearing Kit — Yamaha WR250F (2002-2005) $95.08 Fork Oil & Dust Seal Kit — Ducati Desert XFork Oil & Dust Seal Kit — Ducati Desert X $39.78 Fork Oil & Dust Seal Kit — Beta RR 2T 125Fork Oil & Dust Seal Kit — Beta RR 2T 125 $40.57

Controls for the Yamaha YZ450F

Motion Pro Brake Lever — 14-9329Motion Pro Brake Lever — 14-9329 $36.99 Motion Pro Clutch Lever — 14-9525Motion Pro Clutch Lever — 14-9525 $32.99 Steering Stem Bearing Kit — Suzuki RM125Steering Stem Bearing Kit — Suzuki RM125 $53.88

Exhaust for the Yamaha YZ450F

FMF S/s Powerbomb — Yamaha WR450F (2003-2006), Yamaha YFZ450 (2004-2015) + 1 more, 4 — (seeFMF S/s Powerbomb — Yamaha WR450F (2003-2006), Yamaha YFZ450 (2004-2015) + 1 more, 4 — (see $224.99 FMF Q4 — Yamaha WR450F (2003-2006), Yamaha YZ450F (2003-2005), 4-StrokeFMF Q4 — Yamaha WR450F (2003-2006), Yamaha YZ450F (2003-2005), 4-Stroke $404.99 FMF Powercore 4 — Slip-On — Yamaha WR450F (2003-2006), Yamaha YZ450F (2003-2005), 4-StrokeFMF Powercore 4 — Slip-On — Yamaha WR450F (2003-2006), Yamaha YZ450F (2003-2005), 4-Stroke $359.99

Protection for the Yamaha YZ450F

Chain Roller — 43-24mmChain Roller — 43-24mm $21.73 Chain Roller — 34-24mm — 5 Makes — (PN 79-5008)Chain Roller — 34-24mm — 5 Makes — (PN 79-5008) $21.33

Maintenance for the Yamaha YZ450F

Twin Air Standard Air Filter — Fantic XE 125 (2021-2022), Fantic XX 125Twin Air Standard Air Filter — Fantic XE 125 (2021-2022), Fantic XX 125 $29.08 Twin Air Pre-Filter — Fantic XE 125 (2021-2022), Fantic XX 125 (2021-2022) + 9Twin Air Pre-Filter — Fantic XE 125 (2021-2022), Fantic XX 125 (2021-2022) + 9 $21.99 Twin Air Standard Air Filter — Fantic XE 125 (2021-2026), Fantic XX 125Twin Air Standard Air Filter — Fantic XE 125 (2021-2026), Fantic XX 125 $36.99 Twin Air Standard Air Filter — Yamaha YZ 250F (2001-2013), Yamaha YZ 450FTwin Air Standard Air Filter — Yamaha YZ 250F (2001-2013), Yamaha YZ 450F $36.99 Twin Air Standard Air Filter — Yamaha YZ 250F (2001-2013), Yamaha YZ 450FTwin Air Standard Air Filter — Yamaha YZ 250F (2001-2013), Yamaha YZ 450F $36.99

Fitment is anchored on the manufacturer's own application data and verified before it goes live. If you spot anything that looks off for your Yamaha YZ450F, tell us. Accuracy is the whole point.