Lem RX3 Racing - 2011 Specifications and Reviews

The 2011 Lem RX3 Racing is a lightweight mini sportbike designed for young riders and racing enthusiasts seeking entry-level competition experience. Known for its nimble handling and compact dimensions, this machine excels in closed-course racing and training environments. Its minimal weight and responsive characteristics make it ideal for developing fundamental riding skills on organized tracks.

2011
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Engine and Transmission Specifications

DrivelineCVT
ClutchCentrifugal wet clutch
Transmission type,final driveChain
GearboxAutomatic
Cooling systemLiquid
Lubrication system3% mixture
IgnitionCDI
Fuel systemCarburettor. Dell' Orto PHBG 19 BS
Bore x stroke39.1 x 41.7 mm (1.5 x 1.6 inches)
Power12.80
Engine detailsMorini S6-C engine. Aluminium cylinder. 4 petal carbon fibre reed valves.
Engine typeSingle cylinder, two-stroke
Capacity:49.80 ccm (3.04 cubic inches)

CategoryMinibike, cross
Year2011
ModelLem RX3 Racing
 
 

Brakes, suspension, Frame and wheels

WheelsAluminium rims
Rear brakesSingle disc
Front brakes diameter220 mm (8.7 inches)
Front brakesSingle disc
Rear tyre dimensions2.75-10
Front tyre dimensions2.50-12
Rear suspension travel48 mm (1.9 inches)
Rear suspensionHydraulic monoshock
Front suspension travel185 mm (7.3 inches)
Front suspensionHydraulic fork
Frame typeSteel tube, aluminium swing arm
 
 

Physical measures and capacities

Fuel capacity2.01 litres (0.53 gallons)
Wheelbase985 mm (38.8 inches)
Ground clearance270 mm (10.6 inches)
Overall length1,360 mm (53.5 inches)
Seat height675 mm (26.6 inches) If adjustable, lowest setting.
Power/weight ratio0.3048 HP/kg
Dry weight42.0 kg (92.6 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

12.8 hp
Peak Power

Best For

Track60%
City10%
Cornering70%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis tiny minibike is best suited to young riders, beginners, or experienced riders looking for pit-bike style fun rather than a serious road machine.
PurposeIt's built for supermoto-style minibike racing and playful off-road-adjacent antics on small closed circuits, not for real transportation.
Rider FitIts minuscule 42kg dry weight and low 675mm seat height make it extremely easy to muscle around, flick side to side, and pick up if dropped.
CharacterIt has a peppy, buzzy two-stroke minibike character, with automatic CVT power delivery that's forgiving and immediate rather than fast.
Not Ideal ForIt is not for highway travel, long-distance touring, carrying a passenger, or anyone expecting real-world speed or comfort.

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

Rider Reviews

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