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The MotoTec Rex 110cc 4-Stroke Kids Gas ATV sits between MotoTec's beginner and full-size youth quads, built for riders aged 10 and up who are ready for a real engine but not yet for the 125cc machine. The 110cc single-cylinder air-cooled four-stroke produces around 7 horsepower - 4.8 kW at 8000 rpm - through an automatic transmission, so the rider concentrates on throttle and steering rather than gears.

Control stays firmly with the supervising adult. The quad leaves the factory limited to 9 mph, with a parental control that unlocks a 14 mph maximum once the rider has earned it, and a remote kill switch lets an adult stop the engine from a distance. Electric start runs off a 12V/5Ah battery, the engine is EPA approved under the ATV Action Plan, and a self-adjusting chain drive means less routine tensioning than a standard chain setup.

The chassis is properly specified for trail use: front and rear suspension, a front drum brake paired with a rear disc, adjustable handlebars and 14.5x7-6 off-road tires on steel rims at all four corners. Seat height is 24 inches on a 33 inch wheelbase, the quad weighs 143 lbs and the rider weight limit is also 143 lbs. A rear rack measuring 11 x 26 x 2 inches carries up to 22 lbs, and a headlight plus LED trail light keep visibility up as the light fades. The 2.2 litre tank keeps refuelling stops infrequent.

Parent Controls & Safety

  • Factory speed limiter set to 9 mph
  • Parental control unlocks up to 14 mph
  • Remote control kill switch for the supervising adult
  • ATV training course included
  • Headlight and LED trail light

⚠️ OFF-ROAD USE ONLY — NOT STREET LEGAL

This vehicle is designed exclusively for recreational off-road riding and is not street legal. It is intended for use on private property, dirt trails, motocross tracks, and designated off-road riding areas only. This product is NOT classified as a transportation vehicle and may not be operated on public roads, highways, sidewalks, bike lanes, or any public-access roadway. This product does not include a VIN, title, or registration and is sold strictly as recreational off-road sporting equipment. Always wear a DOT-approved helmet and appropriate protective gear. Off-road vehicle laws vary by state — riders are responsible for reviewing and complying with all applicable local regulations.

Engine & Drivetrain

  • Engine: 110cc 4-stroke single cylinder, air cooled (EPA approved, ATV Action Plan)
  • Bore x Stroke: 2.06 in x 1.95 in
  • Max Power Output: 4.8 kW at 8000 rpm (approx. 7 hp)
  • Max Torque: 6.9 N.m at 6500 rpm
  • Compression Ratio: 9.0:1
  • Carburetor: PZ19
  • Transmission: Automatic
  • Drive Train: Chain drive, self-adjusting
  • Ignition: AC-CDI
  • Starting System: Electric, 12V/5Ah battery
  • Fuel Capacity: 2.2 L

Performance

  • Restricted Speed: 9 mph (factory set)
  • Unrestricted Speed: 14 mph via parental control
  • Speed Limiter: Yes

Chassis & Brakes

  • Suspension: Front and rear
  • Brakes: Front drum, rear disc
  • Front & Rear Tires: 14.5x7-6 off-road tire on steel rim
  • Ground Clearance: 3.35 in
  • Wheelbase: 33 in
  • Front Track Width: 23.22 in
  • Rear Track Width: 21.65 in

Size & Fit

  • Rider Age: 10 and up
  • Max Rider Weight: 143 lbs
  • Seat Height: 24 in
  • Handlebars: Adjustable
  • ATV Size: 49 x 29 x 32 in
  • ATV Weight: 143 lbs
  • Rear Rack Size: 11 x 26 x 2 in
  • Rear Rack Capacity: 22 lbs

In the Box

  • Carton Size: 46 x 28 x 25 in
  • Boxed Weight: 190 lbs

  • 110cc four-stroke producing roughly 7 hp at 8000 rpm
  • Automatic transmission with no clutch or shifting
  • Electric start from a 12V/5Ah battery
  • Remote control kill switch operated by a supervising adult
  • Factory 9 mph limit, unlockable to 14 mph by a parent
  • Self-adjusting chain drive reduces routine maintenance
  • Front drum and rear disc brakes with suspension at both ends
  • Rear rack carries up to 22 lbs for trail gear

MotoTec covers this unit with a 60-day parts-replacement warranty from the date of delivery against defects in materials and workmanship. Contact Adventure Motion support with your order number and photos of the issue to start a claim.

Normal wear items such as tires, tubes, brake pads, chains and batteries are not covered, and neither is damage from racing, jumping, collisions, improper assembly, modification, or riding beyond the rated limits.

What age is the rex 110cc for?
Riders aged 10 and up, with a maximum rider weight of 143 lbs. adult supervision is required at all times.
How fast does it go?
It is factory limited to 9 mph. a parent can unlock the parental control for a 14 mph maximum once the rider is confident.
How does it sit between the renegade and the bull?
The 40cc renegade suits riders from 6, the 110cc rex from 10, and the 125cc bull from 12. power climbs from roughly 1.2 hp to 7 hp to 8 hp across the three.
How is it started, and what fuel does it take?
Electric start from a 12v/5ah battery. the four-stroke engine runs on straight gasoline with no oil mixing.
Does it need assembly?
Yes, adult assembly is required from the carton, and an adult should check brakes, chain tension and fasteners before the first ride.
Is it street legal?
No. the rex is for off-road recreational use on private property only.
Does it have reverse?
No. reverse is offered on the larger 125cc bull, but the rex is forward-only.