Trailmaster TM C40 140cc Off-Road Dirt Bike, 33.5″ Seat Height, 4-Speed Manual Transmission
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TrailMaster TM C40 140cc Dirt Bike
The TrailMaster TM C40 is an off-road dirt bike listed under SKU TM-C40. The stored specifications identify a 140 mL oil-cooled four-stroke single-cylinder engine, four-speed manual N-1-2-3-4 transmission, kick start, chain drive, hydraulic front and rear disc brakes, 17-inch front and 14-inch rear wheels, LED headlight and a 33.5-inch seat height. The feature list says 9 HP, while the technical table lists 7.2 kW maximum power at 8,500 rpm; verify current TrailMaster documentation if exact power output matters to the purchase.
Browse related models in our Dirt Bikes category. For manufacturer information, visit the TrailMaster website. Rider suitability should be confirmed from current manufacturer guidance, rider size, experience and protective-equipment requirements rather than broad “wide range of riders” marketing.
Features
- Powerful 4 stroke oil cooled 140ml, 9 HP engine
- Kick start, 4 gear manual clutch
- 49.8“ wheel base and 33.5” seat high
- 735mm Inverted Hydraulic Forks
- 310mm Spring Pre-load None-Adjustable Shock
- Front tire 17”/Rear Tire 14”
- LED Headlight
- TrailMaster Ribbed Seat
Technical Specifications
Engine System
- Engine Type: ZM-Single Cylinder, 4-Stroke, Oil Cooling
- Displacement: 140 ml
- Max Power: 7.2 kW / 8500 rpm (±10%)
- Max Torque: 9.5 N·m / 6000 rpm (±10%)
- Compression Ratio: 8.6:1
- Bore and Stroke: 56 x 57 mm
- Shift Type: N-1-2-3-4, Four-Gear Manual Shift
- Start Type: Kick Start
- Ignition: CDI
- Min. Fuel Consumption: ≤367 g/kW·h
- Engine Oil #: SJ-5W/40
- Transmission: Chain Drive; #428 & 110L Chain, 14/41T
Size Data
- Overall Size: 71.3″ x 28.9″ x 43.3″ (1810 x 735 x 1100 mm)
- Wheel Base: 49.8″ (1265 mm)
- Seat Height: 33.5″ (850 mm)
- Ground Clearance: 13″ (330 mm)
- Fuel Capacity: 4.5 L / 1.2 Gal.
- Tires: Front: 70/100-17, Rear: 90/100-14 Knobby Tires
- Wheels: Steel 1.6 x 17″ / 1.85 x 14″ Rims, DCA Hubs
Frame/Suspension/Brake System/More Features
- Frame: Twin Girders Steel Tube Frame
- Front Fork: Inverted 45*48-735mm Forks, Non-Adjustable
- Rear Shock: 10 mm x 11 mm x 310 mm, Spring Pre-load
- Swing-Arm: Steel Tube, 14 inch
- Handle Bar: Steel Crossbar, L=720 mm; Dia=22 mm
- Front Brake: Hydraulic Twin Piston Caliper, 220 mm Disc
- Rear Brake: Hydraulic Single Piston Caliper, 190 mm Disc
- Exhaust: Steel Pipe with Catalyst Converter (EPA Standard)
- Brake & Clutch Lever: Foldable
- Seat: Ribbed TrailMaster Seat
- HeadLight: LED
Packing and Loading
- Packing Size: 62.6″ x 14.8″ x 29.9″ (1590 x 375 x 760 mm)
- Net Weight: 172 lbs (78 kg)
- Gross Weight: 203 lbs (92 kg)
| Condition | New |
|---|---|
| Power Type | Gas |
































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