Positioned in Lem's minibike, sport motorcycle lineup, the 2007 Lem RX2 Motard 70cc utilizes a 66.3 cc (4.1 cu in) liquid-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 15.5 HP (11.3 kW) at 12,500 rpm. With a specific output of 233.8 HP per liter, the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.
On the scales, the RX2 Motard 70cc measures 41 kg (90 lbs) dry, translating to a power-to-weight ratio of 0.38 HP/kg (2.65 kg per horsepower). Rider ergonomics and chassis geometry center around a 605 mm (23.8 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 910 mm (35.8 in) wheelbase engineered for quick, flickable steering geometry.
Specific Output
233.8 HP/L
Power-to-Weight
0.38 HP/kg (2.65 kg/HP)
Standover Height
605 mm (23.8 in)
Engine
Displacement66.3 ccm (4.05 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Power15.5 HP (11.3 kW)) @ 12500 RPM
Bore x Stroke41.0 x 41.7 mm (1.6 x 1.6 inches)
Fuel SystemCarburettor. Dell`Orto PHBG 19 BS
CoolingLiquid
Transmission
Clutchadjustable centrifugal wet clutch
Performance
ExhaustExpansion with silencer
Chassis
Frame TypeTubes with alluminium swing-arm
Front SuspensionFixed Marzocchi
Wheelbase910 mm (35.8 inches)
Ground Clearance210 mm (8.3 inches)
Wheels & Brakes
Front Tyre90/90-10
Rear Tyre90/90-10
Front BrakesSingle disc
Rear BrakesSingle disc
Dimensions & Weight
Dry Weight41.0 kg (90.4 pounds)
Power/Weight0.3780 HP/kg
Seat Height605 mm (23.8 inches) If adjustable, lowest setting.
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Power
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Seat Height
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Weight
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Brakes
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Suspension
Suspension details can matter for comfort, road feel and long-distance riding.