ATK 125 4-Stroke

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ATK 125 4-Stroke
Production 2003
Class Enduro
liquid-cooled, four-stroke, single cylinder, SOHC, 4 valves
Compression ratio 11.2:1
Horsepower 17.97 HP (13.4 KW) @ 6000RPM
Torque 13.28 ft/lbs (18.0 Nm) @ 5500RPM
Transmission Gear box: 6-speed, manual

Final Drive: chain

Clutch: wet multi-disc, manual
Suspension Front: telescopic fork
Rear: monoshock
Brakes Front: single 260mm disc, 2-piston caliper
Rear: single 220mm disc, 1-piston caliper
Front Tire 90/90-21
Rear Tire 120/80-18
Seat Height 34.41 inches (874 mm)
Manuals Service Manual

The ATK 125 4-Stroke was a liquid-cooled, four-stroke, single cylinder, SOHC, 4 valves Enduro motorcycle produced by ATK in 2003. Max torque was 13.28 ft/lbs (18.0 Nm) @ 5500 RPM. Claimed horsepower was 17.97 HP (13.4 KW) @ 6000 RPM.

Drive[edit | edit source]

The bike has a 6-speed, manual transmission. Power was moderated via the wet multi-disc, manual.

Chassis[edit | edit source]

It came with a 90/90-21 front tire and a 120/80-18 rear tire. Stopping was achieved via single 260mm disc, 2-piston caliper in the front and a single 220mm disc, 1-piston caliper in the rear. The front suspension was a telescopic fork while the rear was equiped with a monoshock.

2003 ATK 125 4-Stroke[edit | edit source]

The 2003 MY ATK 125 4-Stroke sports a liquid-cooled, four-stroke, 124cc, single cylinder powerplant paired to a six-speed manual transmission, and can produce a claimed 18 horsepower and 18 Nm of torque. This entry-level enduro machine boasts standard features such as a braking system with front and rear discs, a telescopic fork, a monoshock rear suspension, laced wheels with knobby tires mounted on them, a digital instrument cluster, a small headlight, and a high-mounted exhaust.