2005 KTM 450 MXC USA Technical Analysis & Specification Breakdown
Built around KTM's cross - motocross motorcycle platform, the 2005 KTM 450 MXC USA features a 447.9 cc (27.3 cu in) liquid-cooled single cylinder, four-stroke configuration. Internal engine geometry specifies a bore and stroke of 89.0 x 72.0 mm (3.5 x 2.8 inches) with a 11.0:1 compression ratio.
On the scales, the 450 MXC USA measures 112.2 kg (247 lbs) dry. Rider ergonomics and chassis geometry center around a 925 mm (36.4 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,481 mm (58.3 in) wheelbase engineered for balanced agility and highway composure. The 13-liter (3.4 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's KTM archive, this model family spans 2 indexed model years from 2004 to 2005, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
925 mm (36.4 in)
Engine
Displacement447.9 ccm (27.33 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Compression11.0:1
Bore x Stroke89.0 x 72.0 mm (3.5 x 2.8 inches)
Valves/Cylinder4
Fuel SystemCarburettor. Keihin MX FCR 39
Fuel ControlOverhead Cams (OHC)
IgnitionKokusan digital 4K-3B
Lubricationmixture oil lubrication with 2 eaton pumps
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.
