Rieju RS3 125 - 2011 Specifications and Reviews

The 2011 Rieju RS3 125 is a lightweight sport bike ideally suited for novice and intermediate riders seeking affordable performance. Powered by a reliable four-stroke Minarelli-Yamaha engine with five-speed gearbox, it delivers responsive handling and agile maneuverability. The RS3 125 is best known for providing accessible sportbike styling and nimble street performance at an entry-level price point.

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General information

CategorySport
Year2011
ModelRieju RS3 125
 
 

Engine and Transmission Specifications

Exhaust systemExhaust pipe with aluminium silencer
Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
IgnitionCDI
Fuel systemCarburettor. Keihin CVEK 30
Valves per cylinder4
Bore x stroke52.0 x 58.6 mm (2.0 x 2.3 inches)
Engine detailsMinarellei-Yamaha engine
Engine typeSingle cylinder, four-stroke
Capacity:125.00 ccm (7.63 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter280 mm (11.0 inches)
Front brakesSingle disc
Rear tyre dimensions130/80-17
Front tyre dimensions100/80-17
Rear suspensionMono-shock shock absorber, adhustable
Front suspensionInverted fork, 40mm.
Frame typeTriangular double cradle double steel tube
 
 

Physical measures and capacities

Oil capacity1.10 litres (0.07 quarts)
Fuel capacity12.00 litres (3.17 gallons)
Wheelbase1,330 mm (52.4 inches)
Overall width720 mm (28.3 inches)
Overall length1,970 mm (77.6 inches)
Overall height1,100 mm (43.3 inches)
Seat height845 mm (33.3 inches) If adjustable, lowest setting.
Dry weight128.0 kg (282.2 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed, white
Electrical12 Volt
StarterElectric

Performance Profile & Rider Fit

Best For

Track55%
City68%
Cornering70%
Daily Riding45%
Touring20%
Passenger25%

Rider Profile

Best ForThis bike suits newer riders or learners who want a sporty-styled 125cc machine to build skills on before moving to larger displacement bikes.
PurposeIt is designed as a lightweight sport-styled commuter and learner bike rather than a genuine high-performance machine.
Rider FitThe low dry weight and moderate seat height make it easy to manage for smaller or less experienced riders.
CharacterIt has a sharp, sporty look with race-inspired ergonomics but a mild-mannered single-cylinder heart underneath.
Not Ideal ForThis is not the right bike for experienced riders seeking serious highway speed, long-distance touring comfort, or off-road capability.

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

Rider Fit Visualizer

2011 Rieju RS3 125 Rider Ergonomics Assessment

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Feet:

At 845mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2011 Rieju RS3 125, with a cramped knee angle of around 75 degrees and a forward-leaning 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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