Skip to content
Photos show the catalog model. Confirm the selected configuration and color with Lee Motorsports.
TrailMaster / Dirt Bikes
TrailMaster SX125 Pro Series Dirt Bike, Electric Start, 4-Speed Manual, Dual Disc Brakes, (19/16) Wheels
TM-SX125-GREEN
Shipping unavailable
Confirm delivery or pickup arrangements with Lee Motorsports. This listing price is not an out-the-door quote.
Shipping and local pickup are separate options. Available fulfillment methods and final charges are confirmed at checkout.
Talk through your options · (417) 461-4289
GET TO KNOW YOUR MACHINE
VEHICLE OVERVIEW
Explore the confirmed specifications and complete catalog information for this vehicle below.
SPECIFICATIONS & DETAILS
Engine and performance 6 details
| Engine Type | Zongshen BS125 Single cylinder, four-stroke, air-cooling |
|---|---|
| Displacement | 123.67 ml |
| Max Power | 6.3/7500 (1±1.5%) |
| Max Torque | 8.8/5500 (1±1.5%) |
| Compression Ratio | 9.0:1 |
| Min. Fuel Consumption | ≤367g/kw.h |
Transmission and drivetrain 1 details
| Transmission | Chain Drive |
|---|
Electrical and battery 1 details
| Ignition | CDI |
|---|
Dimensions and weight 4 details
| Overall Size (L x W x H) | 71.31 x 29.16 x 43.34 Inch / 1810×740×1100 mm |
|---|---|
| Wheelbase | 49.25 Inch / 1250 mm |
| Seat Height | 32.70 Inch / 830 mm |
| Ground Clearance | 13.39 Inch / 340 mm |
Suspension and brakes 3 details
| Rear Shock | Alloy U&D connector, non-Adjustable |
|---|---|
| Front Brake | Disc |
| Rear Brake | Disc |
Tires and wheels 2 details
| Wheels | Alloy 19/16 Rims, Alloy Hubs |
|---|---|
| Tires | YUANXING FT: 70/100-19 - RR: 90/100-16 |
Capacity and seating 1 details
| Fuel Capacity | 1.56 Gal. / 6 L |
|---|
Features and included equipment 1 details
| Frame | High quality Steel Frame |
|---|
Shipping, assembly, and delivery 1 details
| Packing Size | 63.82*17.92*33.49 Inch / 1620*455*850 mm |
|---|
Additional catalog details 9 details
| Shift Type | Four gear, non-circulate gear |
|---|---|
| Start Type | Electric / Kick Start |
| Minimum Turning Radius | 1900 mm |
| Lubricant Type | SF15W/40 |
| Front Fork | Inverted, non-Adjustable |
| Triple Clamps | Alloy |
| Handle | Alloy and Foldable |
| Exhaust | Stainless |
| N.W/LBS | 189.2 LBS / 86 KGS |
Manufacturer description and riding guidance
From the existing catalog description. Confirm model-specific claims with Lee Motorsports before ordering.
The SX125 Pro Series Dirt Bike, introduced by TrailMaster in partnership with JHL Offroad, is a high-end mid-size option. Equipped with a dependable Zhongshen 125cc 4-stroke 6.3hp engine, it offers both kick and electric start options. The bike boasts a seat height of 32.7", 19/16 wheels, and a lightweight build of just 189lbs. Available in red, blue, and green, the SX125 also features a 4-speed manual transmission, front and rear disc brakes, and inverted front shock.
Premium additions to the Pro-Series dirt bike include electric and kick start options, a powerful Zongshen 125cc engine, and a new frame design for optimal performance. The inverted front shock absorber and 33" seat height make it suitable for various riders. The non-slip seat and nitrogen air gas rear shock absorber with aluminum linkage provide a comfortable ride, while the stainless-steel muffler and alloy handlebar and triple clamps ensure top-notch performance. Additionally, the bike features foldable handle levers, reinforced alloy rims and hubs, and superior quality front and rear disc brakes.
Wide and high-quality non-slip seat for comfortable riding
Additional catalog specifications are awaiting confirmation. Contact us for the details needed to choose your vehicle.