| World Grand Prix Road Racing History |
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| 1954 |
July |
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Colleda motorcycle enters the 2nd Mt. Fuji hill climb race and wins a 2-year consecutive victory for Suzuki. |
| 1953 |
July |
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Diamond Free motorized bicycle enters the inaugural Mt. Fuji hill climb race and wins its debut race. |
| 1952 |
July |
|
Power Free motorized bicycle completes Hamamatsu-to-Tokyo test ride, including crossing of Hakone mountain passes. |
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