X-PRO Thunder 40cc ATV with Chain Transmission, Pull start! Disc Brake! 6in Tires!
This compact, reliable youth ATV is perfect for beginners and young riders. Powered by a dependable 40cc 4-stroke engine, the Thunder 40 delivers smooth performance with easy handling and low maintenance.
⚠ Important Note
This bike is not legal for sale in California.
Key Features:
Engine & Drivetrain
• 40cc 4-stroke air-cooled engine – runs clean and stays cool
• Chain drive transmission for responsive handling
• Simple pull-start system
• Front and rear disc brakes for strong, reliable stopping power
• EPA-certified engine
Body, Suspension & Dimensions
• Sturdy welded steel tube frame
• Large 4.10-6 front and rear tires
• Comfortable padded seat with 22.46” seat height
• 1.8L fuel tank for extended riding sessions
Additional Features:
• Front bumper for added protection
• Decorative (non-functional) headlight
• Some assembly required
Performance Specs:
• Engine: 40cc, 4-stroke, single cylinder
• Cooling: Air Cooled
• Max Power: 0.9 kW @ 6500 rpm
• Max Torque: 1.6 Nm @ 5000 rpm
• Transmission: Chain Drive
• Start System: Pull Start
• Brakes: Front & Rear Disc
• Front Tires: 4.10-6
• Rear Tires: 4.10-6
• Seat Height: 22.46 inches
• Max Load: 70 lbs
• Net Weight: 76 lbs
• Gross Weight: 95 lbs
• Fuel Capacity: 1.8 L
• Dimensions (L×W×H): 42” × 26.8” × 28.7”
• Packing Size: 38” × 22” × 20”
Assembly Note:
Assembly typically includes handlebar brackets, all 4 wheels, front and rear racks (if equipped), rear shock, and battery.