| Engine Type | 86cc air-cooled SOHC single-cylinder four-stroke |
| Bore And Stroke | 47.0mm x 49.5mm |
| Induction | 15mm piston-valve carburetor |
| Ignition | CDI |
| Starter | Electric |
| Transmission | Four-speed |
| Driveline | O-ring-sealed chain |
| Clutch | Automatic |
| Front Suspension | Independent suspension; 2.6-inches of travel |
| Rear Suspension | Swingarm with single shock; 2.6-inches of travel |
| Front Brakes | Dual sealed drum |
| Rear Brakes | Sealed drum |
| Front Tires | 20 x 7-8 |
| Rear Tires | 19 x 8-8 |
| Length | 58.6 inches |
| Width | 35.2 inches |
| Height | 36.5 inches |
| Wheelbase | 38.7 inches |
| Seat Height | 26.0 inches |
| Ground Clearance | 3.9 inches |
| Curb Weight | 262 pounds (Includes all standard equipment, required fluids and a full tank of fuel—ready to ride) |
| Fuel Capacity | 1.7 gallons, including 0.3-gallon reserve |
| Turning Radius | 8.3 feet |
| Note | Recommended for riders 10 years of age and older. Honda recommends that all ATV riders take a training course and read their owner's manual thoroughly. TRX90X riders younger than 16 years of age must be supervised by an adult. |
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