Suzuki FR50

The Suzuki FR50 is an underbone style motorcycle produced by Suzuki from 1974 to the early 1980s. It was very similar in design to the Suzuki FR80

Suzuki FR50
UK 1982 Suzuki FR50
ManufacturerSuzuki
ProductionUnknown
ClassUnderbone
Engine49 cc (3.0 cu in) Two-stroke air-cooled single
Bore / stroke41.0 mm (1.61 in) x 37.8 mm (1.49 in)[1]
Power4.4 hp (3 kW; 4 PS) @ 6,000 rpm
Torque5.39 Nm (0.55 kg-m) @ 5,000 rpm
Ignition type6v coil/contact breaker: kick start
Transmission3-speed Semi-automatic
SuspensionFront: Leading link
Rear: Swingarm twin shock absorber
BrakesDrum, front and rear
TyresFront, 2.25-17 4PR; rear, 2.25-17 4PR[2]
Wheelbase1.18 m (3 ft 10 in)
DimensionsL: 1.825 m (5 ft 11.9 in)
W: 0.65 m (2 ft 2 in)
H: 1.05 m (3 ft 5 in)
Weight163 lb (74 kg)[3] (dry)
Fuel capacity4.0 l (0.88 imp gal; 1.1 US gal)
Oil capacity0.7 l (0.15 imp gal; 0.18 US gal)
RelatedSuzuki FR80

It was powered by a 49 cc (3.0 cu in), two stroke, air-cooled, single-cylinder engine which incorporated a self-mixing system (the Suzuki CCI system) so it had a separate two-stroke oil tank and petrol tank. It is started by a kick start mechanism which turns over the engine. Despite being under 50cc the contemporary UK classifications designated it as a motorcycle, rather than a moped, which would have required the fitting of pedal drive.

It had a small 6V (six volt) battery fitted and an ignition switch to provide easy starting and for constant and even power to the lights and horn.

Like the FR80, the engine drives a 3-speed semi-automatic gearbox, with a heel-and-toe gear shift.

In the early 1970s Suzuki started to import the FR50, followed by the introduction of the FR 50K an improved version in 1974, then it was discontinued in August 1975. Production didn't resume until February 1981 in the form of an even further improved version, the FR50 X.

The FR80 replaced the FR70 in the summer of 1976.

1975 Suzuki FR50

References
Footnotes
  1. Suzuki Owner's Manual FR50. Suzuki Motor Company. 1975. p. 3.
  2. Suzuki Owner's Manual FR50. Suzuki Motor Company. 1975. p. 8.
  3. Suzuki Owner's Manual FR50. Suzuki Motor Company. 1975. p. 2.
Sources

Information obtained from the

  • Haynes FR50, 70, and 80 OWNERS WORKSHOP MANUAL 1974–1983
  • Suzuki Owner's Manual FR50


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