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JAP exported significant numbers of engines to foreign motorcycle manufacturers including Dresch [14] and Terrot in France, and Ardie, [15] Hecker [16] and Tornax [17] in Germany. Latterly, JAP engines (under Villiers control) were used in motorcycle racing, and most commonly speedway or dirt track. Various enthusiasts continued development of ...
Auto Race competitions are held on tarmac tracks, and usually involve eight riders and runs for six laps. The hard surface dictates riders lean round the corners rather similar to motorcycle road racing, than slide as in conventional Speedway, the sport from which Autorace was derived. A typical Auto Race bike is 599cc and has a two-speed gearbox.
ESO was founded by a motorcycle racing driver Jaroslav Simandl, and made bikes in 250, 350, and 500 cc, primarily for speedway, moto-cross and ice racing. [ 1 ] [ 2 ] Engines were sourced from J.A.P. during the first year, and then an engine of ESO's own after 1950, first copied from J.A.P. and later of their own design. [ 3 ]
The Japanese motorcycle Grand Prix (日本グランプリ) is a motorcycling event that is part of the FIM Grand Prix motorcycle racing season.. The main venue who held the races for years was the Suzuka Circuit, until it permanently was replaced by the Mobility Resort Motegi from 2004 onwards after the circuit faced criticism for its short runoff areas and dangerous trackside barriers ...
Jackson-Rotrax JAP Speedway: 490 cc (30 cu in) 1949 United Kingdom Sunbeam S7 Deluxe: 500 cc (31 cu in) 1950 United Kingdom Adler MB 200: 195 cc (11.9 cu in) 1952 Germany DKW RT 125 W: 122 cc (7.4 cu in) 1952 West Germany Gilera Saterno Sport: 499 cc (30.5 cu in) 1952 Italy Jackson-Rotrax JAP Speedway: 497 cc (30.3 cu in) 1952
The 500cc 'Hundred' model had JAP speedway engines and Webb forks as opposed to Lacey's personally tuned, twin-port engine and Brompton forks, however each motorcycle was individually tuned by Lacey's own mechanic, Walter Hartley 'Wal' Phillips, [13] and sold with a certificate guaranteeing Lacey had personally lapped the machine at Brooklands ...
The company also produced the WSK FIS speedway bike from 1955–1959. The engine used in these machines was a copy of the British JAP speedway engine. [13] Museum
After Fuji Speedway hosted the 2008 race, the Japanese Grand Prix returned to Suzuka for races from 2009 onward. The Super GT Fuji 500 km race is held at the racetrack on Golden Week. [3] Fuji Speedway has one of the longest straights in motorsport, at 1.475 km (0.917 mi) in length. [4] The circuit has an FIA Grade 1 license. [5]