Suzuki Super Free 80 / U80
1969

I have tried to tell the model history of the Super Free 50 / U80 on this page as I know it. This page is still under construction. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.

1969 Suzuki Super Free 80 was a very short-lived model.

The Suzuki Super Free 80 (U80) was a short-lived model that replaced the U70 model in 1969, the main differences being that the Super Free 80 engine had slightly larger cubic capacity, giving it slightly more torque, the peak pwer remaining the same. By increasing the U70 engine's cylinder diameter by 2 mm (0.079 in) it grew from 69 to 76 cc. The 2-stroke 1-cylinder was also equipped with a rotary valve making it stronger at low revs. The Super Free 80 had 3-speed transmission with a centrifugal clutch, allowing to start the ride simply by opening the throttle. It also features an automatic negative pressure fuel cock that shuts off when the engine is stopped, to prevent fuel overflow from the carburetor, which was a common concern of the time. By glance, you could also see that that U70 had tandem seat, while the Super Free 80 had chrome-plated baggage carriers front and back.

The Suzuki Super Free 50 was available in two versions, with or without electric starter. The Deluxe model was also equipped with a chrome-plated rear carrier – and a chrome-plated carrier at the front. The recommended retail price in Japan was 69,000 yen.

This is the only decent photo of the Suzuki U80 I have found so far.

1969 Suzuki U80 / Super Free 80 Overall Length: 1 815 mm (71.5 in) Overall Width: 615 mm (24.2 in) Overall Height: 1 005 mm (39.6 in) Wheelbase: 1 180 mm (46.5 in) Ground Clearance: 135 mm (5.3 in) Dry Weight: 75 kg (165 lbs) Engine: Air-cooled 76 cc 2-stroke. Posi-force, reed valve. 6 hp (4.4 kW) @ 7 000 rpm, 7.75 Nm (0.79 kg-m) @ 5 000 rpm (Japan). Kick starter. Click on the image for larger format.

1969 Suzuki Super Free 80 specifications (Japan) Model code: U80 Overall Length: 1 815 mm (71.5 in) Overall Width: 615 mm (24.2 in) Overall Height: 1 005 mm (39.6 in) Wheelbase: 1 180 mm (46.5 in) Ground Clearance: 135 mm (5.3 in) Dry Weight: 75 kg (165 lbs) Engine code: U80 Engine type: Air-cooled 1-cylinder 2-stroke, rotary disc valve Cylinder displacement: 76 cc Bore x Stroke: 48 x 42 mm (1.890 x 1.654 in) Compression ratio: 6.7 :1 Peak power: 6 hp (4.4 kW) @ 7 000 rpm Maximum torque 7.75 Nm (0.79 kg-m) @ 5 000 rpm Fuel economy: 85 km/l at 30 km/h Carburetor: VM15SC Starter method: Kick start Ignition method: Magneto ignition Lubrication method: CCI (separate Lubrication) Lubricating oil amount: 1.0 liter Fuel tank capacity: 3.4 liter Clutch type: Wet multi-plate automatic centrifugal type Transmission type: 3-speed rotary type, content mesh Gear ratios: 3.380 / 2.110 / 1.430 Primary reduction ratio: 3.180 Secondary reduction ratio: 2.460 Secondary drive type: Chain Frame type: Pressed steel plate backbone Front brake type: Drum brake Rear brake type: Drum brake Front tire size: 2.25-17-4PR Rear tire size: 2.25-17-4PR Caster: 27°00' Trail: 69 mm (2.72 in) Steering angle: 45° Minimum turning radius: 1.8 m (5.91 feet) Recommended price in Japan: 69,000 yen

More: Suzuki U series

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