2005 Honda CRF 450 R Technical Analysis & Specification Breakdown
Built around Honda's cross - motocross motorcycle platform, the 2005 Honda CRF 450 R utilizes a 449 cc (27.4 cu in) liquid-cooled single cylinder, four-stroke layout. Internal engine geometry specifies a bore and stroke of 96.0 x 62.0 mm (3.8 x 2.4 inches) with a 12.0:1 compression ratio.
On the scales, the CRF 450 R measures 99.1 kg (218 lbs) dry. Rider ergonomics and chassis geometry center around a 955 mm (37.6 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,491 mm (58.7 in) wheelbase engineered for balanced agility and highway composure. The 7.19-liter (1.9 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Honda archive, this model family spans 6 indexed model years from 2002 to 2008, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
955 mm (37.6 in)
Engine
Displacement449.0 ccm (27.40 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Compression12.0:1
Bore x Stroke96.0 x 62.0 mm (3.8 x 2.4 inches)
Fuel SystemCarburettor. Keihin 40mm flat-slide
IgnitionCD with electronic advance
CoolingLiquid
Transmission
Gearbox5-speed
Final DriveChain (final drive)
Chassis
Rake26.8°
Trail109 mm (4.3 inches)
Front Suspension47mm inverted Showa cartridge fork with 16-position rebound- and 16-position compression-damping adjustability
Front Travel315 mm (12.4 inches)
Rear SuspensionPro-Link Showa single shock with spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low speed (13 positions) and high-speed (3.5 turns
Rear Travel318 mm (12.5 inches)
Wheelbase1491 mm (58.7 inches)
Ground Clearance340 mm (13.4 inches)
Wheels & Brakes
Front Tyre80/70-21
Rear Tyre100/90-19
Front BrakesSingle disc. 2-piston calipers
Front Brake Ø240 mm (9.4 inches)
Rear BrakesSingle disc
Rear Brake Ø240 mm (9.4 inches)
Dimensions & Weight
Dry Weight99.1 kg (218.5 pounds)
Seat Height955 mm (37.6 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
