ATK 604 MX: history, specs, pictures
| ATK 604 MX | |
| Manufacturer | |
|---|---|
| Production | 1991 |
| Engine | single cylinder, four-stroke |
| Bore / Stroke | 94.0mm x 81.0mm |
| Fuel System | carburetor. mikuni tm 38 flat slide |
| Ignition | cdi - electric advancing system |
| Transmission | Gear box: 5-speed Final Drive: chain |
| Suspension | Front: wp adjustable usd Rear: wp multi-adjuster shock (linkless) |
| Brakes | Front: single disc. 2-piston calipers Rear: single disc. disk mounted on front-sprocket . 1 piston caliper |
| Front Tire | 80/100-21 |
| Rear Tire | 120/90-18 |
| Wheelbase | 57.99 inches (1473 mm) |
| Length | 57.99 inches (1473 mm) |
| Width | 33.86 inches (860 mm) |
| Seat Height | 37.4 inches (950 mm) |
| Weight | 270.95 pounds (122.9 Kg) (dry), |
| Oil Capacity | 0.61 Gallon (2.30 Liters) |
| Fuel Capacity | 4.6 Gallon (17.41 Liters) |
| Manuals | Service Manual |
The ATK 604 MX was a single cylinder, four-stroke standard produced by ATK in 1991.
Engine[edit | edit source]
The engine was a air cooled single cylinder, four-stroke. A 94.0mm bore x 81.0mm stroke result in a displacement of just 562.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).
Drive[edit | edit source]
The bike has a 5-speed transmission. Power was moderated via the wet plate.
Chassis[edit | edit source]
It came with a 80/100-21 front tire and a 120/90-18 rear tire. Stopping was achieved via single disc. 2-piston calipers in the front and a single disc. disk mounted on front-sprocket . 1 piston caliper in the rear. The front suspension was a wp adjustable usd while the rear was equipped with a wp multi-adjuster shock (linkless). The 604 MX was fitted with a 4.6 Gallon (17.41 Liters) fuel tank. The bike weighed just 270.95 pounds (122.9 Kg). The wheelbase was 57.99 inches (1473 mm) long.