TrailMaster MK125S Pro Series Dirt Bike, 4-Speed Semi-Automatic, Electric Start, Dual Disc Brakes, (14/12) Wheels
The TrailMaster MK125S Pro Series Dirt Bike, available in a range of colors, introduces a Zhongshen 125cc 4 stroke 6.3hp engine with both kick and electric start options. Equipped with a 4-speed semi-auto transmission and inverted front shock, this premium mid-size bike from JHL Offroad offers a reliable and high-performance ride, weighing just 149lbs with a seat height of 29.5″.
The TrailMaster MK125S Pro Series Dirt Bike Equipped with premium features like inverted front shock absorber, nitrogen air gas rear shock absorber, and a performance stainless steel muffler, this bike delivers superior performance and durability. The race suspension system and motocross ergonomics provide a natural and effortless handling, while the quality front and rear disc brakes ensure a smooth ride over any terrain. With electronic CDI ignition, starting the bike is a breeze and the broad, even power band keeps it running smoothly in all gears.
The TrailMaster MK125S Pro Series Dirt Bike is an advanced version of the popular MK125, featuring superior suspension and durability upgrades for rough terrain. The TrailMaster MK125S Pro Series is equipped with a strong 125cc engine and significantly enhanced componentry, optimizing it for extreme use and rougher, more demanding trails. This bike is the ideal choice for riders who demand premium build quality, improved shock absorption, and a robust frame for a smoother, faster, and more controlled ride.
| 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 | N-1-2-3-4, 4-speed Automatic Clutch |
| 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 × W × H) | 63 × 27 × 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 non-adjustable mono shock |
| Handle Lever | Foldable |
| Front Brake | Disc |
| Rear Brake | Disc |
| Exhaust | Stainless steel muffler |
| Packing Size | 55 × 17 × 33″ |
| N.W / LBS | 149 lbs |
| G.W / LBS | 213 lbs |












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