2003 YAMAHA YZ450F Parts & Accessories

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Displaying parts for your 2003 YAMAHA YZ450F

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See stock sizes for this machine

  • Front Tire:80/100X21
  • Rear Tire:110/90X19
  • Front Sprocket:14 Tooth
  • Rear Sprocket:48 Tooth
  • Chain:520X114
  • Spark Plug:CR8E
  • Main jet:165
  • Pilot Jet:42
Highline Recreation Style 2 Extreme Enduro Tugger Lift Strap, Front$22.99
Rated 4.83 out of five stars.★★★★★
Acerbis Upper Fork Guards$19.87MSRP: $31.95 You save 38%
Rated 4.62 out of five stars.★★★★⯪
Tusk Shock Seal Bullet Tool$12.99MSRP: $15.99 You save 19%
Rated 4.85 out of five stars.★★★★★
RK 520 Chain$30.88
Rated 4.26 out of five stars.★★★★☆
Tusk Billet Start/Kill Switch$14.99MSRP: $29.99 You save 50%
Rated 4.28 out of five stars.★★★★☆
Tusk Valve Seal Kit$11.99MSRP: $15.99 You save 25%
Rated 5.00 out of five stars.★★★★★
Highline Recreation Style 2 Original Tugger Lift Strap, Front$17.99
Rated 4.83 out of five stars.★★★★★
ASV F4 Series Brake Lever$95.00
Rated 4.85 out of five stars.★★★★★
Cometic Oil Filter O-Ring$1.65
Rated 4.06 out of five stars.★★★★☆
Pivot Works Steering Stem Bearing Kit$49.88MSRP: $66.23 You save 25%
Rated 4.80 out of five stars.★★★★★
IMS SuperStock Foot Pegs$108.00
Rated 4.58 out of five stars.★★★★⯪
Odi V2 System Snap On Throttle Cam$3.50
Rated 4.92 out of five stars.★★★★★
Boyesen Supercooler Water Pump Cover and Impeller Kit$175.45MSRP: $194.95 You save 10%
Rated 4.74 out of five stars.★★★★★
Tusk Rear Brake Caliper Rebuild Kit$18.99MSRP: $24.99 You save 24%
Rated 4.71 out of five stars.★★★★★
Hot Rods Water Pump Repair Kit$26.06MSRP: $28.95 You save 10%
Rated 4.66 out of five stars.★★★★★
Boyesen Clutch Cover$86.36MSRP: $95.95 You save 10%
Rated 4.60 out of five stars.★★★★⯪
Fasst Rear Brake Return Spring Kit$19.99
Rated 4.44 out of five stars.★★★★⯪
Tusk Front Brake Pin Kit$3.99MSRP: $4.99 You save 20%
Rated 4.66 out of five stars.★★★★★
Motion Pro Rear Sprocket Bolt and Nut Fastening Kit$12.99
Rated 4.91 out of five stars.★★★★★
Tusk Titanium Axle Adjuster Bolts$15.99MSRP: $24.99 You save 36%
Rated 4.88 out of five stars.★★★★★
Tusk Shift Shaft Seal$2.99MSRP: $3.99 You save 25%
Rated 5.00 out of five stars.★★★★★
Tusk Impact Wheel Bearing and Seal Kit - Front$21.99MSRP: $25.99 You save 15%
Rated 4.43 out of five stars.★★★★⯪
Tusk Swing Arm Chain Adjuster Bolt Repair Kit$15.99MSRP: $29.99 You save 47%
Rated 4.33 out of five stars.★★★★⯪
Tusk Rear Brake Pin Kit$3.99MSRP: $4.99 You save 20%
Rated 4.71 out of five stars.★★★★★
Tusk Universal Big Bar Clamp and Bar Kit$72.99 – $192.88MSRP: $101.94 – $207.94 You save up to 28%
Rated 4.47 out of five stars.★★★★⯪
Galfer Brake Pad - Sintered Double H$33.75MSRP: $37.50 You save 10%
Rated 4.62 out of five stars.★★★★⯪
Hammerhead Forged Shift Lever with Knurled Tip$37.79 – $43.19MSRP: $41.99 – $47.99 You save 10%
Rated 4.40 out of five stars.★★★★⯪
Cycra Mud Flap$15.88
Rated 4.77 out of five stars.★★★★★
Supersprox Stealth Rear Sprocket$69.00 – $107.96MSRP: $119.95 You save up to 42%
Rated 4.77 out of five stars.★★★★★
All Balls Brake Caliper Piston Kit$19.58 – $35.27MSRP: $21.75 – $39.19 You save 10%
Rated 4.78 out of five stars.★★★★★
Tusk Wheel Bearing Seals$6.99MSRP: $9.99 You save 30%
Rated 4.88 out of five stars.★★★★★
Tusk Universal Big Bar Clamp Kit$29.99MSRP: $35.99 You save 17%
Rated 4.65 out of five stars.★★★★⯪
Pro X Crankshaft Bearing and Seal Kit$89.02MSRP: $98.91 You save 10%
Rated 4.89 out of five stars.★★★★★
JT Self Cleaning Competition Brake Rotor, Front$41.16MSRP: $46.25 You save 11%
Rated 4.50 out of five stars.★★★★⯪
CV4 High Pressure Radiator Cap$32.99 – $36.99MSRP: $38.84 – $43.17 You save up to 14%
Rated 4.90 out of five stars.★★★★★
Hinson FSC Clutch Plate and Spring Kit$199.99
Rated 4.84 out of five stars.★★★★★
JT Self Cleaning Competition Brake Rotor, Rear$41.16MSRP: $46.25 You save 11%
Rated 4.00 out of five stars.★★★★☆
Yamalube Oil Change Kit$49.97MSRP: $65.99 You save 24%
Rated 4.91 out of five stars.★★★★★
Motion Pro Titan Throttle Tube$21.99
Rated 4.55 out of five stars.★★★★⯪
Tusk Billet Aluminum Steering Stem Nut$9.99MSRP: $14.99 You save 33%
Rated 4.86 out of five stars.★★★★★
EBC Clutch Spring Set$11.79
Rated 4.78 out of five stars.★★★★★
Tusk Motorcycle Flag Mount Adaptor$9.99MSRP: $10.99 You save 9%
Rated 3.08 out of five stars.★★★☆☆
Rox Speed FX 2" Handlebar Risers$76.88 – $84.88MSRP: $95.95 – $101.95 You save up to 20%
Rated 4.83 out of five stars.★★★★★
Pro X Valve Shim Kit$91.00 – $93.40MSRP: $119.74 You save up to 24%
Rated 4.81 out of five stars.★★★★★
Pro X Cam Chain$71.83MSRP: $94.51 You save 24%
Rated 4.69 out of five stars.★★★★★
Fastway Evo 4 Foot Pegs$167.90
Rated 4.77 out of five stars.★★★★★
Twin Air Power Flow Intake System Replacement Filter$38.66MSRP: $42.95 You save 10%
Rated 4.74 out of five stars.★★★★★
Tusk Impact Universal Linkage Guard$32.50MSRP: $39.50 You save 18%
Rated 4.67 out of five stars.★★★★★
Acerbis Super Motard Front Fender$25.88MSRP: $29.95 You save 14%
Rated 4.58 out of five stars.★★★★⯪
Seal Savers Zip-On Fork Covers$29.95
Rated 4.32 out of five stars.★★★★☆
Pro X Intake Valve Stem Seal$3.76MSRP: $4.18 You save 10%
Rated 4.96 out of five stars.★★★★★
Pivot Works Shock Rebuild Kit$89.88MSRP: $119.27 You save 25%
Rated 4.41 out of five stars.★★★★⯪
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