Horex 644 Osca (1988)

The Horex 644 Osca is a motorcycle that was produced in 1988. Its engine is a four stroke, single cylinder, SOHC, 4 valve per cylinder with a capacity of 644 cc / 39.2 cu-in, which is similar to the Honda Dominator. The bore x stroke is 100 x 82 mm, and the cooling system is air cooled with a compression ratio of 8.7:1. The motorcycle is equipped with a carburetor induction and CDI ignition, and it can be started electrically. Its maximum power is 50 hp / 36 kW at 7000 rpm, and its maximum torque is 57 Nm @ 5500 rpm. The motorcycle has a 5-speed transmission and a chain final drive. Its front suspension is a telescopic fork, while its rear suspension is a swing arm. The front brakes consist of 2 discs, while the rear brake is a single disc. The fuel tank has a capacity of 12 liters/3.1 US gal, and the dry weight of the motorcycle is 138 kg / 304 lbs. The size of its front and rear tires is not provided.

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Technical specifications:

Make Model: Horex 644 Osca

Year: 1988

Engine: Four stroke, single Cylinder, SOHC,, 4 valve per cylinder. (Honda Dominator)

Capacity: 644 cc / 39.2 cu-in

Bore x Stroke: 100 x 82 mm

Cooling System: Air cooled

Compression Ratio: 8.7;1

Induction: Carburetor

Ignition: CDI

Starting: Electric

Max Power: 50 hp / 36 kW @ 7000 rpm

Max Torque: 57 Nm @ 5500 rpm

Transmission / Drive: 5 Speed

Final Drive: Chain

Front Suspension: Telescopic forks

Rear Suspension: Swing arm

Front Brakes: 2x discs

Rear Brakes: Single disc

Front Tyre: NA

Rear Tyre: NA

Dry Weight: 138 kg / 304 lbs

Fuel Capacity: 12 Litres / 3.1 US gal