Browsing posts in: CRF450

2013 Honda CRF450R – Features, Benefits and Specifications

With the 2013 CRF450R, Honda elevates the level of performance for 450-class motocross machines. This brand-new machine features a rolling chassis fully focused on meeting the needs of today’s “scrub generation” of riders by integrating an all-new aluminum frame along with an innovative suspension package, plus a strategically engineered short dual-muffler exhaust system that tucks in closely to the center of mass. Designed from the get-go as a total package that would be eminently flickable, responsive and lightweight, every element in the 2013 CRF450R chassis has been focused on attaining a low center of gravity along with class-leading mass centralization. The new-concept KYB PSF® (Pneumatic Spring Fork) is significantly lighter since both main springs have been removed and it allows incorporation of a larger, more sophisticated 32mm cartridge damper piston that resets traditional thinking for front suspension performance. That’s matched with a new single-shock Pro-Link® rear suspension, plus a revised engine that churns out an awe-inspiring hit in the low-end and midrange along with massive top-end power. There’s also a new six-spring clutch, a stouter transmission and much, much more. Bottom line: The 450 motocross machine that has become the ride of choice for many top-level AMA Pro riders now grows even stronger for 2013.

New for 2013

– All-new aluminum frame and swingarm.

– All-new lighter subframe and airbox.

– All-new air fork—KYB PSF® (Pneumatic Spring Fork).

– All-new rear shock with updated settings.

– All-new short and compact dual-muffler exhaust system.

– Bold new styling features an aggressive look.

– Improved footpeg mount features a patented debris-shielding design.

– All-new front and rear disc rotor covers.

– All-new MX51FA 80/100-21 front tire.

– Increased fuel capacity from 1.50 gallons to 1.66 gallons.

– Updated Unicam® engine.

– All-new piston with increased compression ratio (from 12.0:1 to 12.5:1).

– New two-hole oil jet adds extra cooling to the piston’s underside.

– Cylinder head with revised porting and larger exhaust valves (from 30mm to 31mm).

– Revised cam timing.

– All-new six-spring clutch and updated transmission.

– All-new radiators are mounted lower in the chassis.

– Revised fuel injection and ignition settings.

Honda Genuine Accessories†

– HRC PGM-FI Tuning Kit, Red Billet Engine Cap, Skidplate, Work Stand

 

2013 Honda CRF450R – Specifications

Model: CRF450R
Engine Type: 449cc liquid-cooled single-cylinder four-stroke
Bore and Stroke: 96mm x 62.1mm
Compression ratio: 12.5:1
Valve Train: Unicam, four-valve; 36mm intake, titanium; 31mm exhaust, steel
Induction: PGM-FI, 46mm throttle body
Ignition: Full transistor with electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/48T
Suspension Front: 48mm inverted KYB PSF® (Pneumatic Spring Fork) with rebound and compression-damping adjustability. 12.2 inches travel.
Rear: Pro-Link® KYB single shock with adjustable spring preload, rebound damping adjustability, and compression damping adjustment separated into low-speed and high-speed; 12.4 inches travel
Brakes Front: Single 240mm disc with twin-piston caliper
Rear: Single 240mm disc
Tires Front: Dunlop MX51FA 80/100-21
Rear: Dunlop MX51 120/80-19
Wheelbase: 58.7 inches
Rake (Caster Angle): 27°04 ‘
Trail: 116mm (4.57 inches)
Seat Height: 37.5 inches
Ground Clearance: 13.0 inches
Fuel Capacity: 1.66 gallons
Color: Red
Curb Weight*: 242.7 pounds

*Includes all standard equipment, required fluids and full tank of fuel—ready to ride.


2012 Honda CRF450X – Specifications

Model: CRF450X
Engine Type: 449cc liquid-cooled single-cylinder four-stroke
Bore and Stroke: 96mm x 62mm
Compression ratio: 12.0:1
Valve Train: Unicam, four-valve; 35mm intake valve; 30mm exhaust valve
Induction: Keihin 40mm flat-slide carburetor with Throttle Position Sensor (TPS)
Ignition: CD with electronic advance and lighting coil
Starting: Electric and kick
Transmission: Wide-ratio five-speed
Final Drive: #520 T-ring-sealed chain; 13T/51T
Suspension Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel 

Rear: Pro-Link Showa single shock with adjustable spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.4 inches travel

Brakes Front: Single 240mm disc with twin-piston caliper
Rear: Single 240mm disc
Tires Front: 80/100-21
Rear: 110/100-18
Wheelbase: 58.2 inches
Rake (Caster angle): 27.35o
Trail: 117mm (4.6 inches)
Seat Height: 37.9 inches
Ground Clearance: 13.6 inches
Fuel Capacity: 1.9 gallons
Color: Red
Curb Weight*: 269 pounds
*Includes all standard equipment, required fluids and full tank of fuel–ready to ride.

2011 Honda CRF450R Specifications

Long regarded as the bike of choice in the big-bore motocross division, the 2011 CRF450R incorporates improvements that will help this bike retain its premier standing. The prodigious powerband is now even stronger thanks to more low-end pull and midrange grunt along with enhanced throttle response via a new throttle body. Revised suspension linkage and settings yield improved control, increased ride plushness and enhanced rear-wheel traction. A new Honda Progressive Steering Damper (HPSD) produces even better tracking traits than before, and a new muffler meets the 94-decibel sound level required by some racing organizations in 2011. All this and more make the 2011 CRF450R a shoo-in to maintain its dominant role among open-class MX bikes.

New for 2011

  • Revised engine tuning and new 46mm throttle body increase low-end and midrange power and give improved throttle response.
  • Front fork features a lighter cartridge cylinder and all-new valving for improved control and increased ride plushness.
  • Revised shock valving yields improved control and increased rear wheel traction.
  • New suspension linkage produces improved chassis balance and increased rear wheel traction in rough-track conditions.
  • Honda Progressive Steering Damper (HPSD) features larger piston diameter (20mm to 24mm) for improved tracking traits.
  • Redesigned muffler lowers sound emissions to 94 dB.

2011 Honda CRF450R Specifications

July 20 2010

Model: CRF450R
Engine Type: 449cc liquid-cooled single-cylinder four-stroke
Bore and Stroke: 96mm x 62.1mm
Compression ratio: 12.0:1
Valve Train: Unicam, four-valve; 36mm intake, titanium; 30mm exhaust, steel
Induction: PGM-FI, 50mm throttle body
Ignition: Full transistor with electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/48T
Suspension Front: 48mm inverted KYB Air-Oil-Separate (AOS) with rebound and compression damping adjustability; 12.2 inches travel
Rear: Pro-Link KYB single shock with spring preload, rebound damping adjustability, and compression damping adjustment separated into low-speed and high-speed; 12.5 inches travel
Brakes Front: Single 240mm disc with twin-piston caliper
Rear: Single 240mm disc
Tires Front: 80/100-21
Rear: 120/80-19
Wheelbase: 58.7 inches
Rake (Caster angle): 26° 52′
Trail: 114.2mm (4.5 inches)
Seat Height: 37.6 inches
Ground Clearance: 13.1 inches
Fuel Capacity: 1.5 gallons
Color: Red
Curb Weight*: 238 lbs
*Includes all standard equipment, required fluids and full tank of fuel–ready to ride.

Consult owner’s manual for optional parts.

Specifications are preliminary and subject to change.


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