Honda RC112: history, specs, pictures

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1962-Honda-RC112.jpg
Honda RC 112
Manufacturer
Production 1962
Class Sport Bike
Engine
Twin, 2 valves per cylinder
Bore / Stroke 33.0mm x 33.0mm
Horsepower 10.06 HP (7.5 KW) @ 17500RPM
Torque 2.95 ft/lbs (4.0 Nm) @ 15000RPM
Fuel System Carburetor
Transmission Gear box: 9 Speed
Final Drive: Chain
Brakes Front: Drum
Rear: Drum
Weight 62.0 kg (wet)
Recommended Oil Honda GN4 10W-40
Manuals Service Manual

The Honda RC112 is a twin, with bore and stroke of 33 x 29 mm, giving a total capacity of 49.6 cc. There are 2 valves per cylinder. Ignition is by magneto and still works with contact breaker points (!), lubrication is with wet sump system, and the gearbox is nine speed. Power is given as over 10 bhp at 17,500 rpm, torque is 0.45 kg-m at 15,000 rpm. Dry weight is 62.5 kg. Tommy Robb wins the race, giving Honda its only 50 cc win of the season.

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