TrailMaster MK125 Dirt Bike 4-Speed Manual Dual Disc Brakes, Electric Start (14/12), Ages 12 and up
The bike boasts a powerful Zhongshen 125cc 4-stroke 6.3hp engine that can be started with either kick start or electric start. With a seat height of 29.5″ and a weight of just 149lbs, the MK125 is both lightweight and high-performing. It comes in three sleek colors – red, blue, and green. This model also includes a 4-speed manual transmission, along with front and rear disc brakes and inverted front shocks for optimal control.
Get even more premium features with our TrailMaster MK125 Pro-Series line, such as an Inverted front shock absorber, Nitrogen air gas rear shock absorber, performance stainless steel muffler, alloy foldable handle levers, alloy rims and hubs, high-quality front and rear disc brakes, and a state-of-the-art race suspension system for exceptional handling and maneuverability. Experience effortless key and kick starting with the Electronic CDI ignition, ensuring smooth operation in all gears and a powerful, consistent performance.
| Specification | Details |
|---|---|
| Engine Type | Zongshen Balanced Shaft 125 Single cylinder, 4-stroke, air-cooling |
| Displacement | 123cc |
| Max Power | 6.3/7500 (1€1.5%) |
| Max Torque | 8.8/5500 (1#1.5%) |
| Compression Ratio | 9.0:1 |
| Shift Type | F4-Speed, N1234 |
| Start Type | Electric / Kick Start |
| Ignition | CDI |
| Min. Fuel Consumption | $367g/kw.h |
| Minimum Turning Radius | 1900 mm |
| Lubricant | 10W/40 |
| Transmission | Chain Drive |
| Overall Size (L x W x H) | 63 x 27 x 42″ |
| Wheelbase | 31″ |
| Seat Height | 29″ |
| Ground Clearance | 10.24″ |
| Fuel Capacity | 0.92 Gal. |
| Wheels | Steel Rims, High Quality Alloy Hubs |
| Tires | YUANXING FT: 60/100 -14 – RR: 80/100 – 12 |
| Frame | High quality Steel Frame |
| Front Fork | Inverted front shock absorbers 43/45mm |
| Rear Shock | Rear none-adjustable mono shock |
| Upper and Lower Connecting Board | Alloy |
| Handle Lever | Foldable |
| Front Brake | Disc |
| Rear Brake | Disc |
| Exhaust | Stainless steel muffler |
| Packing Size | 55 x 17 x 33″ inches |
| Net Weight (N.W) | 149 lbs |
| Gross Weight (G.W) | 213 lbs |












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