TrailMaster TM33 250 Dirt Bike, 5-Speed Manual, Dual Disc Brakes (21/18)

    The TrailMaster TM33 250 is a full-size off-road dirt bike built for riders who want strong 250-class power, stable handling, and motocross-style performance at an accessible level. Powered by a 223cc 4-stroke engine producing around 16 horsepower, the TM33 delivers smooth, usable power through a 5-speed manual transmission, making it a solid choice for trails, track riding, and general off-road use.

    With a 21” front and 18” rear wheel setup, inverted front suspension, and a rear mono-shock system, the TM33 is designed to absorb rough terrain while maintaining control and rider confidence. It also comes equipped with electric start plus kick-start backup, front and rear hydraulic disc brakes, and a lightweight steel tube frame for durability and responsive handling. This model blends practicality and performance in a simple, rugged off-road package.

Performance Specs:

• Engine Type: Zongshen CB250D-G, Single Cylinder, 4-Stroke, Air-Cooled
• Displacement: 223cc
• Maximum Power: 12 kW / 16 HP @ 7,000 RPM
• Maximum Torque: 17.5 Nm @ 5,500 RPM
• Compression Ratio: 9.3–9.9:1
• Transmission: 5-Speed Manual (1-N-2-3-4-5)
• Starting System: Electric Start & Kick Start Backup
• Ignition: Digital CDI
• Carburetor: PZ28
• Drive System: #520 Chain Drive (13T / 47T sprocket setup)
• Front Suspension: Inverted Hydraulic Forks (150mm travel)
• Rear Suspension: 460mm Spring Preload Shock
• Front Brake: Dual Piston Hydraulic Disc (240mm)
• Rear Brake: Single Piston Hydraulic Disc (240mm)
• Front Wheel: 1.60 x 21 Aluminum Rim
• Rear Wheel: 2.15 x 18 Aluminum Rim
• Front Tire: 80/100-21
• Rear Tire: 110/100-18
• Frame: Lightweight Steel Tube Frame
• Swingarm: High-Strength Steel (560mm)
• Handlebar: Tapered Aluminum 6061
• Wheelbase: 59 in (1500mm)
• Seat Height: 37 in (940mm)
• Ground Clearance: 11.8 in (300mm)
• Fuel Capacity: 1.72 gal (6.5L)
• Overall Size: 86.6" x 33.9" x 49.2"
• Curb Weight: 326lbs