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BamX BX70-DB Trailstar / 2013
Minibikes
2013 BamX BX70-DB Trailstar
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The 2013 BamX BX70-DB Trailstar is a small minibike for young riders. Its air-cooled 72cc four-stroke single makes 3.6 hp and 4.2 Nm through an automatic transmission and chain. A 711 mm seat, 49.9 kg dry weight and 4-litre tank keep it simple and easy to handle.
Capacity
72.0 ccm
Engine
Single, four-stroke
Dry weight
49.9 kg
Seat height
711 mm
Power
3.6 HP (2.6 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested
Speed 8 Agility 78 Comfort 25 Off-road 55 Touring 5 Road manners 10
Best for It's designed for casual, low-speed cross/off-road fun in a backyard, trail, or small track setting rather than any serious performance riding. Built for A playful, lightweight pit-bike with an automatic gearbox that prioritizes simplicity and fun over speed or power. Not ideal for It is not suitable for adult commuting, highway travel, passengers, or anyone seeking real off-road or touring capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Full specifications
Metric
Imperial
Engine
Capacity
72.0 ccm
Power
3.6 HP (2.6 kW)
Torque
4.2 Nm (0.4 kgf-m) @ 5500 RPM
Engine type
Single, four-stroke
Power/weight ratio
0.0721 HP/kg (dry)
Bore x stroke
47.0 x 41.4 mm
Compression
8.8:1
Cooling system
Air
Fuel system
Carburettor
Starting
Electric
Ignition
CDI
Lubrication system
Pressure/Splash
Transmission
Transmission type
Automatic
Final drive
Chain
Dimensions & weight
Wheelbase
991 mm
Seat height
711 mm
Dry weight
49.9 kg
Fuel capacity
4.00 litres
Ground clearance
254 mm
Oil capacity
0.90 litres
Chassis & suspension
Front suspension
Dual Front Shocks
Rear suspension
Swing Arm Mono Shock
Brakes & wheels
Front brakes
Single disc
Rear brakes
Single disc
Front tyre
2.50-12
Rear tyre
2.75-14
Other
Color options
Red, blue
Specs last verified against published sources: September 2026 .
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us .
What changed, year to year Differences highlighted
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
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Common questions
What is the engine size of the BamX BX70-DB Trailstar? The 2013 BamX BX70-DB Trailstar has a Capacity of 72.0 ccm (4.39 cubic inches).
What engine power does the BamX BX70-DB Trailstar have? The 2013 BamX BX70-DB Trailstar has a Power of 3.6 HP (2.6 kW).
What is the torque of the BamX BX70-DB Trailstar? The 2013 BamX BX70-DB Trailstar has a Torque of 4.2 Nm (0.4 kgf-m or 3.1 ft.lbs) @ 5500 RPM.
How much does the BamX BX70-DB Trailstar weigh? The 2013 BamX BX70-DB Trailstar has a Dry weight of 49.9 kg (110.0 pounds).
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