ATK's profilation of this bike |
Rotax 4 stroke engine (560GS-A) |
General information |
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Model: | ATK 604 MX |
Year: | 1991 |
Category: | Cross / motocross |
Rating: | 3.3 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. |
Engine and transmission |
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Displacement: | 562.0 ccm (34.29 cubic inches) |
Engine type: | Single cylinder, four-stroke |
Power: | 40.0 HP (29.2 kW)) |
Compression: | 9.8:1 |
Bore x stroke: | 94.0 x 81.0 mm (3.7 x 3.2 inches) |
Valves per cylinder: | 4 |
Fuel system: | Carburettor. Mikuni TM 38 Flat Slide |
Fuel control: | Double Overhead Cams/Twin Cam (DOHC) |
Ignition: | CDI - Electric Advancing System |
Lubrication system: | Dry Sump System |
Cooling system: | Air |
Gearbox: | 5-speed |
Transmission type, final drive: | Chain |
Clutch: | wet plate |
Exhaust system: | Supertrapp -Stainless-Steel |
Chassis, suspension, brakes and wheels |
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Frame type: | Nickel-Plated-Heat-Treated-Chromoly |
Front suspension: | WP Adjustable USD |
Front wheel travel: | 300 mm (11.8 inches) |
Rear suspension: | WP Multi-Adjuster Shock (Linkless) |
Rear wheel travel: | 330 mm (13.0 inches) |
Front tyre: | 80/100-21 |
Rear tyre: | 120/90-18 |
Front brakes: | Single disc. 2-piston calipers |
Diameter: | 24 mm (0.9 inches) |
Rear brakes: | Single disc. Disk mounted on front-sprocket . 1 piston caliper |
Diameter: | 14 mm (0.6 inches) |
Physical measures and capacities |
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Dry weight: | 122.9 kg (271.0 pounds) |
Power/weight ratio: | 0.3254 HP/kg |
Seat height: | 950 mm (37.4 inches) If adjustable, lowest setting. |
Overall length: | 1473 mm (58.0 inches) |
Overall width: | 860 mm (33.9 inches) |
Ground clearance: | 343 mm (13.5 inches) |
Wheelbase: | 1473 mm (58.0 inches) |
Fuel capacity: | 17.41 litres (4.60 gallons) |
Oil capacity: | 2.30 litres (0.15 quarts) |
Other specifications |
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Color options: | White |
Starter: | Electric & kick |
Further information |
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Insurance costs | Compare US insurance quotes from the nation's top providers. |
Finance options | Compare US motorcycle loan quotes from the nation's top providers. |
Parts finder |
Chaparral provides online schematics & OEM parts for the US.
Also check out our overview of motorcycle webshops at Bikez.info. |
Motocross parts | Parts and accessories available from Revzilla Motocross . Ships to the US. |
Ask questions | Join the 91 ATK 604 MX discussion group or the general ATK discussion group. |
Related bikes | List related bikes for comparison of specs. |
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