Honda CRF450R

 

Unbeatable power in an agile and lightweight chassis – the big-capacity motocross package that can’t stop winning

 

2012 Features:
- New Pro-Link linkage for enhanced traction and improved suspension control.
- New optimised suspension settings front and rear for even greater stability on rough terrain.
- New more rigid fork outer tubes for improved suspension action and more accurate steering.
- New stiffer fork springs for a higher spring impact rate, giving enhanced chassis balance and stability when approaching and landing from jumps.
- New footpeg design with wider footpegs and a lighter footpeg bolt for enhanced rider stability.
- Lightweight, compact and powerful Unicam engine.
- Battery-less fuel injection tuned for strong performance and reduced noise levels.
- Tough and lightweight Honda Progressive Steering Damper for precise steering.
- Striking Honda Racing-inspired graphics.
- New chain roller for added durability.

 

Specifications

 

ENGINE
Type    Liquid-cooled 4-stroke 4-valve SOHC
Displacement   449.5cm³
Bore x Stroke   96 x 62.1mm
Compression Ratio  12,0
Max. Power Output  TBC 
Max. Torque    TBC

 

FUEL SYSTEM
Carburation PGM-FI electronic fuel injection
Fuel Tank Capacity  5.7 litres 

 

ELECTRICAL SYSTEM
Ignition System Full transistor
Starter    Kick

 

DRIVETRAIN
Clutch    Wet, multiplate
Transmission
Primary Reduction  2.739 (63/23)  
Gear Ratios   

    1 1.800 (27/15)
    2 1.470 (25/17)
    3 1.235 (21/17)
    4 1.050 (21/20)
    5 0.909 (20/22)
Final Reduction   3.692 (48/13) 
Final Drive   #520 roller chain

 

FRAME
Type     Aluminium twin-spar 

 

CHASSIS
Dimensions (LxWxH)  2,191 x 827 x 1,273mm 
Wheelbase   1,491mm
Caster Angle    26° 52'
Trail    114.2mm
Seat Height   954mm
Ground Clearance  332mm
Kerb Weight   108.9kg (F: 53.7kg; R: 55.2kg)  

 

SUSPENSION 
Type Front:  48mm inverted KYB leading-axle twin-chamber cartridge-type telescopic fork with 18-step adjustable compression and 18-step rebound damping; 310mm axle travel
 Rear: Pro-Link with KYB damper, adjustable low-speed (18-step) and high-speed (1.5-turn) compression and 20-step rebound damping; 315mm axle travel

 

WHEELS
Type    Front:  Aluminium rim/wire spoke Rear:  Aluminium rim/wire spoke
Rim size   Front:  21 x 1.60  Rear: 19 x 2.15
Tyre size   Front: 80/100-21 (51M)  Rear: 110/90-19 (62M)

 

BRAKES
Type  Front: 240mm x 3mm hydraulic disc with dual-piston caliper and sintered metal pads
Rear: 240mm x 4mm hydraulic disc with single-piston caliper and sintered metal pads

 

All specifications are provisional and subject to change without notice.