GAS GAS TXT 50 Boy - 2009 Specifications and Reviews

The 2009 GAS GAS TXT 50 Boy is a lightweight trial motorcycle designed for young and novice riders learning fundamental dirt bike skills. Powered by a 49cc two-stroke engine with liquid cooling and an automatic clutch system, it delivers manageable power with forgiving handling characteristics. Known for its responsive maneuverability and low seat height, this model excels in off-road trial riding and technical terrain navigation.

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Engine and Transmission Specifications

ClutchDouble, hydraulic and automatic clutch
Transmission type,final driveChain
Gearbox2-speed
Cooling systemLiquid
Lubrication system2% Mixture
IgnitionVariable Electronic
Fuel systemCarburettor. 14mm Dell´Orto
Bore x stroke40.0 x 39.3 mm (1.6 x 1.5 inches)
Engine typeSingle cylinder, two-stroke
Capacity:49.38 ccm (3.01 cubic inches)
 
 

CategoryTrial
Year2009
ModelGAS GAS TXT 50 Boy
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter150 mm (5.9 inches)
Rear brakesSingle disc. 2 opposed-piston caliper
Front brakes diameter160 mm (6.3 inches)
Front brakesSingle disc. 2 opposed-piston caliper
Rear tyre dimensions3.00-14
Front tyre dimensions2.50-16
Rear suspension travel155 mm (6.1 inches)
Rear suspensionHydraulic Sachs shock
Front suspension travel140 mm (5.5 inches)
Front suspension32mm Marzocchi fork

Physical measures and capacities

Fuel capacity3.00 litres (0.79 gallons)
Wheelbase1,005 mm (39.6 inches)
Seat height600 mm (23.6 inches) If adjustable, lowest setting.
Dry weight42.0 kg (92.6 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed/white/black
StarterKick

Performance Profile & Rider Fit

Best For

Track5%
City5%
Cornering60%
Daily Riding3%
Touring2%
Passenger0%

Rider Profile

Best ForThis is a children's trial bike designed for young beginners still developing basic motorcycle control skills.
PurposeBuilt purely for learning low-speed balance, clutch control, and obstacle negotiation in trial competition or practice settings.
Rider FitIts tiny 42kg dry weight and 600mm seat height make it suitable only for small children, not teenagers or adults.
CharacterA featherweight, low-powered two-stroke trainer that rewards patience and technique over outright speed.
Not Ideal ForThis bike is not suitable for adult riders, road use, touring, or anyone seeking speed or highway capability.

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

Rider Reviews

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