Technical specifications
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| Model: |
450 EXC Champion Edition |
| Years: |
2025 |
|
Engine:
|
Four stroke, single cylinder, SOHC, 4 valves per cylinder
|
|
Capacity:
|
449.9 cc / cu-in
|
|
Bore x Stroke:
|
95 x 63.4 mm
|
|
Cooling System:
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Liquid cooled
|
|
Compression Ratio:
|
12.75:1
|
|
Lubrication:
|
Pressure lubrication with 2 rotor pumps
|
|
Exhaust:
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Aluminum
|
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Induction:
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Keihin EFI, throttle body 42 mm
|
|
Ignition:
|
Keihin EMS
|
|
Starting:
|
Electric
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Clutch:
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Wet, DDS multi-disc clutch, Brembo hydraulics
|
|
Transmission:
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6 Speed
|
|
Primary Drive Ratio:
|
29:72
|
|
Secondary Gear Ratio:
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14:52
|
|
Final Drive:
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Chain X-Ring 5/8 x 1/4″
|
|
Frame:
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25CrMo4 steel central-tube frame
|
|
Front Suspension:
|
WP XACT USD fork, ? 48 mm
|
|
Front Wheel Travel:
|
310 mm / 12.2 in
|
|
Rear Suspension:
|
WP XPLOR Monoshock with Linkage
|
|
Rear Wheel Travel:
|
300 mm / 11.8 in
|
|
Front Brakes:
|
Single 260 mm disc, floating caliper
|
|
Rear Brakes:
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Single 220mm disc, floating caliper
|
|
Front Wheel:
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21 x 1.60
|
|
Rear Wheel:
|
18 x 2.15
|
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Front Tyre:
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90/90 - 21
|
|
Rear Tyre:
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140/80 - 18
|
|
Rake:
|
26.1?
|
|
Triple Clamp Offset:
|
22 mm
|
|
Wheelbase:
|
1489 mm / in
|
|
Seat Height:
|
960 mm / 37.8 in
|
|
Ground Clearance:
|
347 mm / 13.7 in
|
|
Dry Weight:
|
107.4 kg / 236.8 lbs
|
|
Fuel Capacity:
|
8.5 Litres / 2.2 US gal
|