Rieju Marathon 450 - 2010 Specifications and Reviews

The 2010 Rieju Marathon 450 is a competition-focused enduro designed for serious off-road riders seeking reliable performance in challenging terrain. Its 449cc liquid-cooled single-cylinder engine delivers consistent power through a robust five-speed transmission, while premium suspension components from Marzocchi and Sachs provide excellent handling and control. The bike is best known for its durable semi-double-cradle frame and competition-grade exhaust system, making it ideal for enduro racing and demanding trail work.

2010
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General information

CategoryEnduro / offroad
Year2010
ModelRieju Marathon 450

Engine and Transmission Specifications

Exhaust systemCompetition exhaust.
Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
Fuel systemCarburettor. Keihin FCR-MX39
Bore x stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Engine typeSingle cylinder, four-stroke
Capacity:449.00 ccm (27.40 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter240 mm (9.4 inches)
Rear brakesSingle disc
Front brakes diameter260 mm (10.2 inches)
Front brakesDouble disc
Rear tyre dimensions140/90-18
Front tyre dimensions90/90-21
Rear suspensionSACHS with PRS system
Front suspensionMARZOCCHI inverted SHIVER Ø45
Frame typeHighly resistant semi double-cradle steel
 
 

Physical measures and capacities

Fuel capacity8.50 litres (2.25 gallons)
Wheelbase1,485 mm (58.5 inches)
Overall width810 mm (31.9 inches)
Overall length2,190 mm (86.2 inches)
Overall height1,230 mm (48.4 inches)
Seat height900 mm (35.4 inches) If adjustable, lowest setting.
Dry weight115.0 kg (253.5 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsBlack/white/green
StarterElectric & kick

Performance Profile & Rider Fit

Best For

Track20%
City30%
Cornering55%
Daily Riding25%
Touring20%
Passenger5%

Rider Profile

Best ForBest suited to intermediate or experienced off-road riders comfortable with a tall, light, aggressive enduro machine.
PurposeBuilt purely for serious trail riding, enduro competition, and technical off-road terrain rather than road use.
Rider FitThe tall 900mm seat height and lightweight but top-heavy standing riding position demand good fitness, leg length, and off-road riding skill.
CharacterA raw, purposeful dirt bike with premium suspension components that rewards an active, skilled rider who enjoys tackling rough trails.
Not Ideal ForNot a good fit for riders wanting a comfortable daily commuter, a highway tourer, or a passenger-friendly machine.

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

Rider Fit Visualizer

2010 Rieju Marathon 450 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 900mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2010 Rieju Marathon 450, with a cramped knee angle of around 80 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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