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2017 Honda CRF450X Specifications

Model  CRF450X
Engine Type 449cc liquid-cooled single-cylinder four-stroke
Bore and Stroke 96.0mm x 62.0mm
Compression Ratio 12.0:1
Induction Keihin 40mm flat-slide carburetor w/ Throttle Position Sensor (TPS)
Ignition CD w/ electronic advance and lighting coil
Starting  Electric and kick
Valve Train Unicam, four-valve; 35mm intake valve; 30mm exhaust valve
Final Drive #520 T-ring-sealed chain; 13T/51T
Transmission Wide-ratio 5-speed
Front 47mm inverted Showa cartridge fork w/ 16-position rebound and 16-position compression damping adjustability; 12.4 in. travel
Rear Pro-Link Showa single shock w/ adjustable spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.3 in. travel
Front Single 240mm disc w/ twin-piston caliper
Rear Single 240mm disc
Front 80/100-21
Rear 110/100-18
Rake (Caster Angle) 27° 10' 
Trail 110mm (4.3 in.)
Seat Height 37.9 in.
Ground Clearance  13.6 in.
Wheelbase 58.3 in.
Fuel Capacity 1.9 gal. incl. 0.4-gal. reserve
Color Red
Curb Weight* 269 lbs.

*Includes all standard equipment, required fluids and full tank of fuel—ready to ride Meets current CARB and EPA off-road emissions standards

Distribution channels: Automotive