Technical specifications
|
| Model: |
450 EXC-F |
| Years: |
2017-18 |
|
Engine:
|
Four stroke, single cylinder, SOHC, 4 valves per cylinder
|
|
Capacity:
|
449.3 cc / cu-in
|
|
Bore x Stroke:
|
95 x 63.4 mm
|
|
Compression Ratio:
|
11.9:1
|
|
Lubrication:
|
Pressure lubrication with 2 rotor pumps
|
|
Induction:
|
Keihin MX FCR 39 carburetor
|
|
Ignition:
|
Keihin EMS
|
|
Starting:
|
Electric
|
|
Clutch:
|
Wet, DDS multi-disc clutch, Brembo hydraulics
|
|
Transmission:
|
6 Speed
|
|
Primary Drive Ratio:
|
31:76
|
|
Secondary Gear Ratio:
|
14:52
|
|
Final Drive:
|
Chain X-Ring 5/8 x 1/4″
|
|
Frame:
|
25CrMo4 steel central-tube frame
|
|
Front Suspension:
|
WP 4860 MA upside-down fork
|
|
Front Wheel Travel:
|
300 mm / 11.8 in
|
|
Rear Suspension:
|
WP Xplor PDS shock absorber
|
|
Rear Wheel Travel:
|
310 mm / 1.2 in
|
|
Front Brakes:
|
Single 260 mm disc, floating caliper
|
|
Rear Brakes:
|
Single 220mm disc, floating caliper
|
|
Front Tyre:
|
90/90 - 21
|
|
Rear Tyre:
|
140/80 - 18
|
|
Steering Head Angle:
|
63.5°
|
|
Wheelbase:
|
1482 mm / 58.3 in
|
|
Seat Height:
|
960 mm / 37.8 in
|
|
Ground Clearance:
|
355 mm / 14.0 in
|
|
Dry Weight:
|
106 kg / 233.7 lbs
|
|
Fuel Capacity:
|
8.5 Litres / 2.2 US gal
|