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Compare Dirt Bikes

Pick any two bikes to see specs and photos side by side. Differences are highlighted. Blank = not yet verified for that year-model (we don’t guess).

🏍️
450cc 4-stroke
photo coming soon
2004 Yamaha YZ450F
🏍️
450cc 4-stroke
photo coming soon
2003 Yamaha YZ450F
Class450cc 4-stroke450cc 4-stroke
Displacement——
Bore × stroke——
Cooling——
InductionPorted DOHC four-valve head with dual exhaust valves per cylinderPorted DOHC four-valve head with dual exhaust valves per cylinder
Power valve——
StarterElectric starterElectric starter
Transmission5-speed5-speed
Front suspension43 mm inverted telescopic fork43 mm inverted telescopic fork
Front travel120 in120 in
Rear travel150 in150 in
Front brake310mm300mm
Rear brake280mm245mm
Front wheel——
Rear wheel——
Seat height738 in748 in
Wheelbase1 in1 in
Weight190 lb (Dry weight)185 lb (Dry weight)
Fuel capacity3.8 gal2.7 gal
MSRP——

Highlighted (blue) values differ. Verified manufacturer data; see each bike’s page for sources. Torque/fluid specs are on the individual pages (service-manual only).