An early motorcycle engine architecture where the engine and gearbox are built as independent casings, with their own oil reservoirs. (Compare unit construction).
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An early motorcycle engine architecture where the engine and gearbox are built as independent casings, with their own oil reservoirs. (Compare unit construction).
1 Comment so far
[...] both the engine and gearbox are integrated within the same casing. Earlier engine design was a pre-unit construction where engine and gearbox were in separate [...]