TrailMaster TM31 250cc Dirt Bike 5-Speed Manual Dual Disc Brakes, Electric Start with Kick backup (19/16)

   The TrailMaster TM31 is a full-size off-road dirt bike designed for riders who want powerful performance, dependable reliability, and race-inspired handling. Powered by a high-performance 223cc 4-stroke engine producing up to 16 horsepower, the TM31 delivers strong acceleration and a top speed of approximately 56 MPH through its smooth-shifting 5-speed manual transmission.

  Built with motocross-style ergonomics, a lightweight steel tube frame, inverted hydraulic front forks, and front and rear disc brakes, the TM31 is ready to tackle trails, tracks, and rugged terrain with confidence. Electric start with kick-start backup provides dependable starting in any condition, while the 19-inch front wheel and 16-inch rear wheel combination offers excellent stability and control on a variety of off-road surfaces.

Key Features:

• High-Performance 223cc 4-Stroke Engine
• Electric Start with Kick-Start Backup
• 5-Speed Manual Transmission
• Up to 56 MPH Top Speed
• Inverted Hydraulic Front Forks
• Front & Rear Disc Brakes
• Lightweight Steel Tube Frame
• Aluminum Wheels & Tapered Aluminum Handlebars
• Motocross-Inspired Ergonomics
• 19" Front / 16" Rear Off-Road Wheel Setup
• Digital CDI Ignition System
• Built for Trails, Tracks, and Off-Road Riding Adventures

Performance Specs:

• Engine: Zongshen CB250D-G Single-Cylinder, 4-Stroke, Air-Cooled
• Displacement: 223cc
• Maximum Power: 16 HP
• Maximum Torque: 17.5 Nm @ 5,500 RPM
• Compression Ratio: 9.3–9.9:1
• Transmission: 5-Speed Manual
• Shift Pattern: 1-N-2-3-4-5
• Drive System: #520 Chain Drive
• Sprockets: Front 13T / Rear 47T
• Starting System: Electric Start & Kick Start Backup
• Ignition: Digital CDI
• Carburetor: PE28
• Top Speed: Up to 56 MPH
• Fuel Consumption: ≤354 g/kW·h
• Fuel Capacity: 2 Gallons
• Front Suspension: Inverted Hydraulic Forks, 150mm Travel
• Rear Suspension: 450mm Spring Preload Shock
• Front Wheel: Aluminum Rim with Gravity Cast Hub
• Rear Wheel: Aluminum Rim with Gravity Cast Hub
• Front Tire: 70/100-19
• Rear Tire: 90/100-16
• Front Brake: Dual-Piston Caliper, 240mm Disc
• Rear Brake: Single-Piston Caliper, 240mm Disc
• Frame: Lightweight Steel Tube Frame
• Swingarm: High-Strength Steel Swingarm
• Handlebar: Tapered Aluminum 6061
• Overall Dimensions: 78" L x 32" W x 45.7" H
• Wheelbase: 53.1"
• Seat Height: 34.6"
• Ground Clearance: 13"
• Net Weight: 231lbs
• Gross Weight: 297lbs
• Available Colors: Green, Red, Orange