The Honda AC15 or Dream 50 is a retro style street legal 50 cc (3.1 cu in) single cylinder motorcycle manufactured by Honda in 1997 (CB50V) and 1998 (CB50W).

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Honda AC15

Manufacturer	Honda Motor Company, Limited
Also called	Honda Dream 50 (AC15)
Production	1997 (CB50V) and 1998 (CB50W)
Class	Sport bike
Engine	50 cc (3.1 cu in), air cooled, transverse, DOHC, four stroke, single
Power	5.6 horsepower (4.2 kW) @ 10,500 RPM [citation needed]
Torque	4.11 newton metres = 3.03 foot pounds @ 8,500 RPM [1]
Transmission	5-speed, manual transmission chain final drive
Suspension	Front; telescopic fork with inner springs Rear; swingarm with twin shock absorbers
Wheelbase	1,195 mm (47.0 in)
Dimensions	L: 1,830 mm (72 in) W: 615 mm (24.2 in)
Weight	81 kg (180 lb)[citation needed] (dry)
Fuel capacity	6.2 litres (1.4 imp gal; 1.6 US gal)
Related	Honda CR110 Cub Racing

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Honda built the AC15 to commemorate the successful 1962 Honda RC110 single cylinder racer. Showing the 1960s style was short racing handlebars and an elongated and low-profile fuel tank.

The frame was a diamond design with a reinforced single front down tube bolting to the engine's crankcase. The top of the frame was a reinforced double-tube over-and-under configuration meeting a multi-tube box under the rider.

Front and rear disc brakes were standard and unusual for a small displacement motorcycle.

The engine was a rare design for 50 cubic centimeters, having a single cylinder with double overhead camshafts.

A commercial racer was available in 1962 called the CR110 Cub Racing which produced 8.5 horsepower (6.3 kW) from a single cylinder and had drum brakes. A race-only version designated the AR02 or Dream 50R, was imported into the US in 2004.