Tehuelche RF 75
Specifications
Engine: Single cylinder SOHC 4-stroke
Bore & stroke: 48 x 41 mm
Compression ratio: 6.5:1
Engine Capacity: 75cc
Maximum power: 4.74 h.p. @ 6,500 rpm
Valves: Two valves arranged in a 90° configuration, operated through rocker arms
Distribution: Gear-driven overhead camshaft (SOHC)
Carburettor: Dell'Orto MA16 made under license in Argentina
Cooling system: Air cooled
Lubrication: Wet sump forced circulation with mechanical gear pump. A hook, attached onto the connecting rod, dips into the oil in the sump and splashes it around the inside of the engine
Transmission: Gear primary, chain final
Clutch: Cable operated with multiple wet disc in oil bath
Gearbox: 3-speed foot-change
Gear ratios:
1st gear 2.628
2nd gear 1.542
3rd gear 1
Throttle: Cable operated
Frame type: Chassis made out of welded steel tubes
Front Suspension: Telescopic
Rear Suspension: Mono shock, Swingarm
Front Brake: Drum
Rear Brake: Drum
Front Tyre: 2.25 x 18 in.
Rear Tyre: 2.25 x 18 in.
Seat: Solo racing style
Fuel tank capacity: 10 litres
Fuel consumption: 1 litre / 50 km
Oil capacity: ½ litre
Top speed: 74 km/h
Speeds:
1st gear: 28 km/h
2nd gear: 48 km/h
3rd gear: 74 km/h
Weight: 66 kg
Source: Hessink's NL