Suzuki FR50

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Suzuki FR50
Suzuki FR50.JPG
UK 1982 Suzuki FR50
Manufacturer Suzuki
Production Unknown
Class Underbone
Engine 49 cc (3.0 cu in) Two-stroke air-cooled single
Bore / stroke 41.0 mm (1.61 in) x 37.8 mm (1.49 in)[1]
Power 4.4 hp (3 kW; 4 PS) @ 6,000 rpm
Torque 5.39 Nm (0.55 kg-m) @ 5,000 rpm
Ignition type 6v coil/contact breaker: kick start
Transmission 3-speed Semi-automatic
Suspension Front: Leading link
Rear: Swingarm twin shock absorber
Brakes Drum, front and rear
Tyres Front, 2.25-17 4PR; rear, 2.25-17 4PR[2]
Wheelbase 1.18 m (3 ft 10 in)
Dimensions L: 1.825 m (5 ft 11.9 in)
W: 0.65 m (2 ft 2 in)
H: 1.05 m (3 ft 5 in)
Weight 163 lb (74 kg)[3] (dry)
Fuel capacity 4.0 l (0.88 imp gal; 1.1 US gal)
Oil capacity 0.7 l (0.15 imp gal; 0.18 US gal)
Related Suzuki FR80
1975 Suzuki FR50
SuzukiFR50 - model 3

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

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.


  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. 

Information obtained from the

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