Vincent Motorcycle Engine Specs

50 v twin cylinder ohv dry sump air cooled with bore of 3 3 84mm stroke of 3 5 90mm and compression ratio of 7 3 1.

Vincent motorcycle engine specs. In 1929 the first vincent hrd motorcycle used a jap single cylinder engine in a vincent designed cantilever frame. Overhauling the post war vincent power unit service data on this famous thoroughbred. The vincent s original 998cc rapide engine had produced 45 hp. Engine and transmission edit the black shadow uses a version of the air cooled four stroke 50 v twin engine that powers the vincent rapide.

The vincent motorcycle engine is designed to give long periods of service without major attention and whilst the handbook gives instructions for decarbonizing it does not cover more extensive overhauls. The racing spec black lightning supposedly had around 70 hp. But after a disastrous 1934 isle of man tt with engine problems and all three entries failing to finish phil vincent with phil irving decided to build their own engines. The black shadow upped the ante to 55 hp.

Production grew from 1936 with the most famous models being. The business was established by philip vincent who bought an existing manufacturing name hrd initially renaming it as vincent hrd producing his own motorcycles as hrd did previously with engines purchased as complete assemblies from other companies from 1934 two new engines were developed as single cylinder in 500 cc and v twin 1 000 cc capacities. Vincent motorcycles was a british manufacturer of motorcycles from 1928 to 1955. Some early bikes used rudge python engines.

The following notes are intended for those who have the necessary mechanical aptitude to undertake the job themselves and familiarity with the general details of the engine thru study of the instruction.