Yamaha RS 100 (1976-77)

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The Yamaha RS 100 was a two-stroke motorcycle produced from 1976-77. It had a capacity of 97cc and an air-cooled, single-cylinder engine. The bike featured a VM20SH carburetor, with a magneto and CB/coil ignition, and was kick-started. The maximum power output of the bike was 11 horsepower at 8500rpm, while the maximum torque produced was 10.1 Nm at 700rpm. The Yamaha RS 100 had a five-speed transmission and used chain final drive. The front suspension used telescopic forks while the rear suspension used dual shocks. The front and rear brakes were both drum-style. The bike had a length of 1945mm, a width of 730mm, and a height of 1045mm. The wheelbase was 1240mm and the seat height was 775mm. The dry weight of the bike was 91kg and it had a fuel capacity of 10 litres.

Technical specifications:

Make Model: Yamaha RS 100

Year: 1976 – 77


Engine: Two stoke, torque induction, single
Capacity: 97 cc / 5.9 cu-in
Bore x Stroke: 52 x 45.6 mm
Cooling System: Air cooled
Compression Ratio: 7.0: 1
Lubrication: Autolube
Induction: VM20SH carburetor
Ignition: Magneto, CB/coil
Starting: Kick
Max Power: 11 hp / 8.1 kW @ 8500rpm
Max Torque: 10.1 Nm / 1.03 kgf-m @ 700rpm
Clutch: Wet multiplate
Transmission: 5 Speed
Final Drive: Chain
Front Suspension: Telescopic forks

Rear Suspension: Dual shocks
Front Brakes: Drum
Rear Brakes: Drum
Front Tyre: 2.75-18
Rear Tyre: 3.00-18
Dimensions: Length 1945 mm / 76.5 in Width 730 mm / 28.7 in Height 1045 mm / 41.1 in
Wheelbase: 1240 mm / 48.8 in
Seat Height: 775 mm / 30.5 in
Dry Weight: 91 kg / 200.6 lbs
Fuel Capacity: 10 Litres / 2.6 US gal

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