Minibikes
2007Lem RX3
16 fields on record
The 2007 Lem RX3 is a lightweight 50cc minibike designed for young riders and beginners seeking an affordable entry into off-road riding. Its compact 42kg frame and low 675mm seat height make it accessible for smaller riders, while the automatic clutch and simple carbureted engine ensure easy operation. Best known for reliable, budget-friendly fun in motocross and trail riding, it delivers adequate performance for learning fundamentals.
- Capacity
- 49.9 ccm
- Engine
- Single single, four-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 42.0 kg
- Seat height
- 675 mm
- Power
- 12.8 HP
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's built for backyard cross-style riding, mini-moto track days, and playful off-road fun rather than any kind of serious transportation.
- Built for
- Its liquid-cooled two-stroke engine and automatic clutch give it a peppy, rev-happy, go-kart-like personality that rewards flicking it around tight spaces.
- Not ideal for
- It is not for anyone wanting highway capability, long-distance touring comfort, or a machine to carry a passenger.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 49.9 ccm
- Power
- 12.8 HP
- Engine type
- Single single, four-stroke
- Power/weight ratio
- 0.3048 HP/kg
- Bore x stroke
- 39.0 x 41.8 mm
- Compression
- 15.5:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Ignition
- Electronic with microchip
Transmission
- Clutch
- Automatic centrifugal clutch in oil bath
Dimensions & weight
- Seat height
- 675 mm
- Dry weight
- 42.0 kg
Chassis & suspension
- Frame
- Seel tubes with alluminium swing-arm brake pedaland Rear Body
Brakes & wheels
- Front tyre
- 2.5-12
- Rear tyre
- 2.75-10
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Lem RX3?
The 2007 Lem RX3 has a Capacity of 49.9 ccm (3.05 cubic inches).
What engine power does the Lem RX3 have?
The 2007 Lem RX3 has a Power of 12.8 HP.
How much does the Lem RX3 weigh?
The 2007 Lem RX3 has a Dry weight of 42.0 kg (92.6 pounds).
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