Description
Trailmaster TM21 Dirt Bike 125cc – Semi Automatic
The TrailMaster TM 21-125 is the ultimate choice for junior riders looking to experience high-performance off-road fun. Equipped with a powerful 125cc 4-stroke engine generating 8.3 HP, this dirt bike reaches a top speed of 45 MPH, making it perfect for young thrill-seekers. With a 29” seat height and a lightweight frame of just 161 pounds, the TM 21-125 is designed for agility and ease of handling.
The TM 21-125 features a 4-speed semi-automatic transmission, allowing riders to shift gears smoothly without the need for a clutch. Front and rear hydraulic disc brakes provide reliable stopping power, enhancing safety on any terrain. The bike’s heavy-duty frame, paired with full motocross ergonomics and a race suspension system, ensures a comfortable and controlled ride, even over rough terrain.
The electronic CDI ignition system makes kick starting effortless and ensures smooth performance across all gears, providing a broad and even power band. With a 41.54” wheelbase, 14” front tire, and 12” rear tire, the TM 21-125 is built for durability and stability, making it a top seller in its category.
Available in vibrant red, blue, green, and orange, the TM 21-125 not only delivers in performance but also stands out in style.
Key Features:
- Powerful 125cc 4-stroke engine with 8.3 HP
- Kick start with automatic clutch and semi-automatic transmission
- 41.54” wheelbase and 29.13” seat height
- 14” front tire / 12” rear tire
- Hydraulic front and rear disc brakes
- Aluminum handlebar for enhanced control
Technical Specifications
General Information
- Engine Type: ZM125cc, Single Cylinder, 4‐Stroke, Air Cooled
- Displacement: 124 ml
- Max Power: 8.3 hp
- Max Torque: 9.0 (1±10%) @ 5000 (1±5%) N.m/r/min
- Compression Ratio: 9.6:1
- Shift Type: N‐1‐2‐3‐4, Four‐Gears, Automatic Clutch
- Start Type: Kick Start
- Ignition: CDI
- Min. Fuel Consumption: ≤ 367g/kw.h
- Max Range: ≤ 10.5 miles
- Engine Oil: SJ5W-30
- Transmission: Chain Drive, #428, 14/41T, semi-automatic
Size Data
- Overall Size (L × W × H): 60.24 x 28.74 x 39.76 inches (1530 x 729 x 1009 mm)
- Wheel Base: 41.54 inches
- Seat Height: 29.13 inches
- Ground Clearance: 10.63 inches
- Fuel Capacity: 3.5 L / 0.92 Gal
- Wheels: Steel 1.6 x 14″ / 1.85 x 12″ Rims, Cast Hubs
- Tires (Front & Rear): FT: 60/100‐14 / RR: 80/100‐12
Frame / Suspension / Brake / Wheel System
- Frame: Cradle Steel Tube Frame
- Front Fork: Telescopic ￠33x650mm Forks, Non‐Adjustable
- Rear Shock: ￠10x270mm, Non‐Adjustable
- Swing‐Arm: Steel Tube 12 inch
- Handle Bar: Aluminium Crossbar, L=28.35″, Dia=0.87″
- Front Brake: Hydraulic Single Piston Caliper, 220mm Disc
- Rear Brake: Hydraulic Single Piston Caliper, 190mm Disc
- Exhaust: Steel Pipe with Catalyst Converter (EPA Standard)
Packing Information
- Packing Size: 54.5 x 14.8 x 30 inches
- Net Weight: 134.5 lbs (61 kg)
- Gross Weight: 161 lbs (73 kg)
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