Horex Osca 644

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Horex-644-Osca.--1.jpg
Horex Osca 644
Manufacturer
Production 1988
Engine
Four stroke, single Cylinder, SOHC,, 4 valve per cylinder. (Honda Dominator)
Compression ratio 8.7;1
Ignition CDI
Transmission Final Drive: Chain
Suspension Front: Telescopic forks
Rear: Swing arm
Brakes Front: 2x discs
Rear: Single disc
Front Tire NA
Rear Tire NA
Weight 138 kg / 304 lbs (dry),
Fuel Capacity 12 Liters / 3.1 US gal
Manuals Service Manual



Engine[edit | edit source]

The engine was a Air cooled cooled Four stroke, single Cylinder, SOHC,, 4 valve per cylinder. (Honda Dominator). The engine featured a 8.7;1 compression ratio.

Chassis[edit | edit source]

It came with a NA front tire and a NA rear tire. Stopping was achieved via 2x discs in the front and a Single disc in the rear. The front suspension was a Telescopic forks while the rear was equipped with a Swing arm. The Osca 644 was fitted with a 12 Liters / 3.1 US gal fuel tank. The bike weighed just 138 kg / 304 lbs.

Photos[edit | edit source]

Horex Osca 644 Horex Osca 644 Horex Osca 644 Horex Osca 644

Overview[edit | edit source]

Horex 644 Osca









Make Model Horex 644 Osca
Year 1988
Engine Type Four stroke, single Cylinder, SOHC,, 4 valve per cylinder. (Honda Dominator)
Displacement 644 cc / 39.2 cu-in
Bore X Stroke 100 x 82 mm
Cooling System Air cooled
Compression 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 Tire NA
Rear Tire NA
Dry Weight 138 kg / 304 lbs
Fuel Capacity 12 Liters / 3.1 US gal