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GAS GAS TXT Boy 50CC - 2011 Specifications and Reviews
The 2011 GAS GAS TXT Boy 50cc is an entry-level trial motorcycle designed for young riders and beginners learning fundamental trial riding techniques. Powered by a liquid-cooled two-stroke engine, it features a chromium-molybdenum frame and Marzocchi suspension for lightweight maneuverability. The TXT Boy is best known for its accessibility and reliability in introducing new riders to competitive trial sport.
Engine and Transmission Specifications | |
| Clutch | Automatic system with manual influence |
| Transmission type,final drive | Chain |
| Gearbox | 2-speed |
| Cooling system | Liquid |
| Lubrication system | 2% Mixture |
| Ignition | Variable Electronic |
| Fuel system | Carburettor. Dell´Orto PHVA14 - Intake by reed valve |
| Bore x stroke | 40.0 x 39.3 mm (1.6 x 1.5 inches) |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 49.38 ccm (3.01 cubic inches) |
| Category | Trial |
| Year | 2011 |
| Model | GAS GAS TXT Boy 50cc |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Light aluminium spoke rim |
| Rear brakes diameter | 150 mm (5.9 inches) |
| Rear brakes | Single disc. 2-piston caliper |
| Front brakes diameter | 160 mm (6.3 inches) |
| Front brakes | Single disc. 2 -piston caliper |
| Rear tyre dimensions | 3.00-14 |
| Front tyre dimensions | 2.50-16 |
| Rear suspension travel | 155 mm (6.1 inches) |
| Rear suspension | Hydraulic Sachs shock |
| Front suspension travel | 140 mm (5.5 inches) |
| Front suspension | 32mm Marzocchi fork |
| Frame type | Chrom-Molybdenum tubular frame |
| | |
Physical measures and capacities | |
| Fuel capacity | 3.00 litres (0.79 gallons) |
| Wheelbase | 1,005 mm (39.6 inches) |
| Overall width | 660 mm (26.0 inches) |
| Overall length | 1,540 mm (60.6 inches) |
| Overall height | 970 mm (38.2 inches) |
| Seat height | 600 mm (23.6 inches) If adjustable, lowest setting. |
| Dry weight | 42.0 kg (92.6 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Oil capacity | 2.50 litres (0.17 quarts) |
| Wheelbase | 1,305 mm (51.4 inches) |
| Ground clearance | 295 mm (11.6 inches) |
| Power/weight ratio | 0.0593 HP/kg |
| Rear tyre | 20/10-12 |
| Front tyre | 21/7-10 |
| Rear wheel travel | 254 mm (10.0 inches) |
| Rear Suspension | Swing Arm |
| Front wheel travel | 279 mm (11.0 inches) |
| Front Suspension | Dual A-arm |
| Driveline | 2WD / 4WD/ Front differential locked 4WD. C.V.T with Reverse and 2 Speed Sub-Transmission. |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Compression | 11.6:1 |
| Top speed | 105.0 km/h (65.2 mph) |
| Torque | 33.00 Nm (3.4 kgf-m or 24.3 ft.lbs) @ 3400 RPM |
| Power | 19.44 HP (14.2 kW) @ 4700 RPM |
| Capacity: | 448.00 ccm (27.34 cubic inches) |
| Color options | Red/black |
| Starter | Kick |
Performance Profile & Rider Fit
Best For
Track5%
City5%
Cornering40%
Daily Riding5%
Touring2%
Passenger0%
Rider Profile
| Best For | This is a children's youth trial bike intended for young beginners just starting to learn balance and clutch-free control, not for licensed road riders. |
| Purpose | It exists purely for teaching kids the fundamentals of trials riding over obstacles, rocks, and technical low-speed terrain in a controlled, safe environment. |
| Rider Fit | Its tiny 42kg dry weight and 600mm seat height make it manageable for small children, requiring minimal strength but active standing balance and body positioning. |
| Character | It behaves like a miniature version of a full-size trials machine, with a soft automatic clutch and two-speed gearbox designed to build core off-road skills without overwhelming a young rider. |
| Not Ideal For | This bike is not suitable for adults, road use, highway travel, or anyone seeking speed, passenger capacity, or long-distance comfort. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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