Yamaha RD 500 LC

Template: Infobox motorcycle / Maintenance / parameters

The Yamaha RD 500 LC was a motorcycle of the Japanese manufacturer Yamaha.


After the success of racing motorcycles with the name " YZR500 " Yamaha developed the "RD 500 LC" than it was then the only production motorcycle with a four -cylinder two- stroke engine. The model was of type " OW61 " in the motorcycle world championship in 1982 with the newly developed V4 engine in the 500 cc class of Kenny Roberts sr. was used.

At its launch in it was the most powerful mass production motorcycle with two stroke engine; it was outbid 500 gamma until the end of 1984 by the Suzuki RG. The price in 1984 was given as 11,188 DM.



The motor was designed as a 50 ° V-type engine with two crankshafts. The intake for the 26- millimeter carburetors for each crankcase was controlled by diaphragm valves.

Found at each cylinder in the exhaust passage a by a servomotor via cables rotatable roller for controlling the exhaust gas flow. This as " YamahaPowerValveSystem " (short YPVS ) designated system was often used together with the type designation of the RD 500 and caused an increase in torque at low engine speeds.

An electric starter was not provided - the RD 500 LC was classically occur with a kick starter.

Landing gear

In export markets, Yamaha established a steel frame made of square profiles. The time typical small 16 " front wheel has been undertaken by a telescopic fork with a tube diameter of 37 mm. Called a was by the hydraulic pressure of the front brake system " anti- dive " means controlled, which should limit the dipping of the front end when braking.