Castrol Wins
One sheet vintage poster advertises the
Castrol oil brand's success at the 1951 Isle of Man Tourist Trophy (I.O.M. T.T.) motorcycle races. It specifically highlights the dominant performance of racer G. E. Duke and the Norton motorcycles, which used Castrol oil.
Race Highlights & Results
The poster details the top finishers in the Senior and Junior TT races, which were part of the 1951 Grand Prix motorcycle racing season. Geoff Duke achieved a memorable double win, becoming the first rider to lap the Mountain Course at over 90 mph on a Junior machine.
Race
Position Rider Team / Machine Record Speed
Senior 1st G. E. Duke Norton 93.826 m.p.h.
3rd C. McCandless Norton
Junior 1st G. E. Duke Norton 89.90 m.p.h.
2nd J. Lockett Norton
3rd J. Brett Norton
Other mentioned results from the poster:
Junior Clubman's 1st: B. Purslow (BSA)
Clubman's 3rd: G. J. Draper (Norton)
Castrol oil brand's success at the 1951 Isle of Man Tourist Trophy (I.O.M. T.T.) motorcycle races. It specifically highlights the dominant performance of racer G. E. Duke and the Norton motorcycles, which used Castrol oil.
Race Highlights & Results
The poster details the top finishers in the Senior and Junior TT races, which were part of the 1951 Grand Prix motorcycle racing season. Geoff Duke achieved a memorable double win, becoming the first rider to lap the Mountain Course at over 90 mph on a Junior machine.
Race
Position Rider Team / Machine Record Speed
Senior 1st G. E. Duke Norton 93.826 m.p.h.
3rd C. McCandless Norton
Junior 1st G. E. Duke Norton 89.90 m.p.h.
2nd J. Lockett Norton
3rd J. Brett Norton
Other mentioned results from the poster:
Junior Clubman's 1st: B. Purslow (BSA)
Clubman's 3rd: G. J. Draper (Norton)
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