Supermotos

2026Rieju Marathon 125 SM Lc

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The 2026 Rieju Marathon 125 SM LC is a lightweight super motard designed for novice and intermediate riders seeking an agile, versatile machine. Powered by a liquid-cooled Minarelli 125cc four-stroke engine producing 15 horsepower, it excels in urban riding and casual track use. Known for its nimble handling, affordable pricing, and practical six-speed transmission, this Spanish motorcycle offers excellent value for entry-level enthusiasts.

Capacity: 125.0 ccm
Engine: Single, four-stroke
Gearbox: 6-speed
Dry weight: 112.0 kg
Seat height: 870 mm
Power: 15.0 HP (10.9 kW)

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Other years 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail20%

Cornering82%

City riding80%

Daily riding55%

Touring20%

Two-up25%

Track45%

Best for: Designed for flicking through city traffic and having playful fun on tight, twisty backroads rather than covering long distances or carrying speed on the highway.
Built for: A cheeky, flickable little street bike with supermoto styling and stance, offering sharp handling and a fun personality rather than outright performance.
Not ideal for: Not a good choice for riders wanting sustained motorway speeds, long-distance touring comfort, or serious off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 870mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with tip-toe one foot on the 2026 Rieju Marathon 125 SM Lc, with a relaxed knee angle of around 135 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 821-900 mm — Long Legs →

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Full specifications

Engine

Capacity: 125.0 ccm
Power: 15.0 HP (10.9 kW)
Engine type: Single, four-stroke
Power/weight ratio: 0.1339 HP/kg (dry)
Bore x stroke: 58.0 x 47.0 mm
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Valves per cylinder: 4
Torque: Not on record - add it

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain

Dimensions & weight

Wheelbase: 1405 mm
Overall length: 2148 mm
Overall width: 800 mm
Overall height: 1165 mm
Seat height: 870 mm
Dry weight: 112.0 kg
Fuel capacity: 6.00 litres

Chassis & suspension

Frame: Highly resistant double cradle steel perimeter. Detachable rear sub-chassis.
Front suspension: Fork of Ø37mm
Rear suspension: Mono-shock Shock absorber

Brakes & wheels