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).

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450cc 4-stroke

photo coming soon

2025 GasGas MC450F

Kawasaki

2025 Kawasaki KX450

Class	450cc 4-stroke	450cc 4-stroke
Displacement	449.9cc	449cc
Bore × stroke	95 × 63.4 mm	96 × 62.1 mm
Cooling	—	Liquid
Induction	Keihin EFI, throttle body 44 mm	DFI with Keihin 44mm throttle body
Power valve	—	—
Starter	Electric starter	Electric
Transmission	5-speed	5-speed
Front suspension	WP XACT-USD (AER), 48 mm	49mm inverted coil-spring fork
Front travel	—	12 in
Rear travel	—	12.1 in
Front brake	260mm	270mm
Rear brake	220mm	240mm
Front wheel	—	21"
Rear wheel	—	19"
Seat height	—	37.4 in
Wheelbase	—	58.3 in
Weight	227.8 lb ((without fuel))	248.2 lb (curb (with fuel))
Fuel capacity	7.9 gal	1.64 gal
MSRP	—	$10,499

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).