| Management number | 230385336 | Release Date | 2026/06/18 | List Price | $687.12 | Model Number | 230385336 | ||
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The Trailmaster SX125 Dirt Bike is built for riders seeking a dependable and affordable off-road machine. Powered by a 124cc, 4-stroke, air-cooled Zongshen engine, this bike delivers reliable performance for trail and recreational use. It features a 4-speed manual transmission with chain drive, giving riders smooth gear transitions and control on various terrains. Designed with both youth riders stepping up in size and adults looking for a compact dirt bike, the SX125 reaches a maximum speed of up to 50 mph and is recommended for riders ages 16 and older. Built with a high-quality steel frame and lightweight alloy components, the SX125 is durable yet easy to handle. A 32.7-inch seat height and 13.4 inches of ground clearance provide stability and rider comfort, while the inverted front fork suspension and rear shock with alloy connectors help absorb impacts during off-road riding. For stopping power, the bike comes equipped with front and rear hydraulic disc brakes. Additional features include a stainless steel exhaust, waterproof wiring harness, and alloy wheels fitted with a 19-inch front tire and 16-inch rear tire. The 1.56-gallon fuel tank provides ample riding time before refueling. The Trailmaster SX125 is a well-balanced dirt bike that combines strength, comfort, and off-road capability, making it an excellent choice for trail enthusiasts. ⚠️ Note for California Residents: This model is not CARB approved and can only be used on private land in California.
| Brand | Trailmaster Suspension |
|---|---|
| Vehicle model | TM-SX125-Blue |
| Engine displacement | 125 cc |
| Color | Blue |
| Maximum speed | 50 mph |
| Seat height | 32.7 in |
| Fuel type | Gasoline |
| Transmission type | Manual |
| Vehicle make | Trailmaster |
| Ground clearance | 13.39 in |
| Max load | 220 lb |
| Torque | 17.8 Nm |
| Engine starter | Electric/Kick |
| Rec. use | Outdoor |
| Front brakes | Disc |
| Rear brakes | Disc |
| Front suspension | Inverted Fork |
| Rear suspension | Single Alloy Shock (non-adjustable) |
| Number of engine cycles | 4 Cycle |
| Fuel system | Carburetor |
| Seating capacity | 1 |
| Average fuel consumption | 85 mpg |
| Vehicle type | Dirt Bike |
| Age group | Teen, Adult |
| Clutch type | Manual (4-Speed Manual Transmission) |
| Automotive brake type | Disc Brakes |
| Fuel capacity | 1.56 gal |
| Dry weight | 199 lb |
| Curb weight | 189 lb |
| Wheelbase | 49.25 in |
| Ignition type | CDI |
| Accessories included | Owner’s Manual, Tool Kit |
| Front tires | 70/100-19 |
| Rear tires | 90/100-16 |
| Model | TM-SX125-Blue |
| Number of cylinders | 1 |
| Engine cylinder head type | Single Overhead Cam (SOHC) |
| Valvetrain | SOHC |
| Finish | Gloss |
| Bore x stroke | 54 mm × 54 mm |
| Dimensions | 71.31 x 29.16 x 43.34 in |
| Cooling system | Air Cooled |
| Compression ratio | 9.0:1 |
| Assembled product weight | 199 lb |
| Induction system | Naturally Aspirated |
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