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MotoLibrary Score
35/100Commuter
Power/Weight
0.14 hp/kg
Engine
50 ccm
Technical Overview
2007 Lem CX3 SR Technical Analysis & Specification Breakdown
Engineered by Lem for the cross - motocross motorcycle segment, the 2007 Lem CX3 SR pairs a 49.8 cc (3 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 7 HP (5.1 kW), transferring power to the rear wheel through a 1-speed gearbox and chain final drive.
On the scales, the CX3 SR measures 49.9 kg (110 lbs) dry, translating to a power-to-weight ratio of 0.14 HP/kg (7.13 kg per horsepower). The 2-liter (0.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Power-to-Weight
0.14 HP/kg (7.13 kg/HP)
Engine
Displacement49.8 ccm (3.04 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power7.0 HP (5.1 kW))
Fuel SystemInjection
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
Ignitionflywheel magneto with coil
CoolingAir
Transmission
Gearbox1-speed
Final DriveChain (final drive)
Clutchwet clutch
Chassis
Frame Typesteel tubes with alluminium swing-armi brake pedal and rear body
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
