Highland 450 MX - 2008 Specifications and Reviews

The 2008 Highland 450 MX is a single-cylinder motocross bike designed for intermediate to advanced riders seeking competitive performance. Its 449cc engine delivers 56.4 horsepower and 51.1 Nm torque through a 6-speed gearbox, making it responsive and aggressive on track. Known for its lightweight agility and reliable electric-start convenience, it suits riders balancing speed with everyday practicality.

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General information

CategoryCross / motocross
Year2008
ModelHighland 450 MX
 
 

Engine and Transmission Specifications

Clutchlubricated mult disk clutch
Transmission typefinal driveChain
Gearbox6-speed
Lubrication systemWet sump, filter, pressure lubricated crankshaft and gearbox
StarterElectric
IgnitionHighland integrated engine management system with ignition coil fitted directly on the spark plug
Valves per cylinder4
Compression12.2:1
Torque51.10
Power56.40
Stroke4
Engine typeSingle cylinder
Capacity:449.00 ccm (27.40 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,485 mm (58.5 inches)
Ground clearance350 mm (13.8 inches)
Seat height998 mm (39.3 inches) If adjustable, lowest setting.
Dry weight103.0 kg (227.1 pounds)

Highland 450 MX dimensions and frame

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc. Brembo floating caliper
Front brakes diameter260 mm (10.2 inches)

Speed and acceleration

Power/weight ratio0.5476 HP/kg

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity7.00 litres (1.85 gallons)

Performance Profile & Rider Fit

56.4 hp
Peak Power

Best For

Track55%
City15%
Cornering80%
Daily Riding10%
Touring10%
Passenger5%

Rider Profile

Best ForThis is a high-strung competition motocrosser best suited to experienced off-road riders who are comfortable with a tall, aggressive, powerful dirt bike.
PurposeBuilt purely for motocross racing and rough off-road use, not for street riding or commuting.
Rider FitThe tall 998mm seat height, minimal cushioning, and hard-hitting single-cylinder power delivery demand good rider fitness, leg length, and off-road technique.
CharacterA lightweight, razor-sharp, high-revving racer that rewards aggressive riding with explosive acceleration and pinpoint cornering ability on dirt.
Not Ideal ForThis bike is not suitable for new riders, daily street commuting, passengers, or long-distance touring comfort.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2008 Highland 450 MX Rider Ergonomics Assessment

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Feet:

At 998mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2008 Highland 450 MX, with a moderate knee angle of around 90 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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