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That BSA motor is pretty trick with a twin plugged head and an aftermarket side cover, but with an 84mm stroke, as marked on the label for noise testing it isn't an A50.A65 and A50 stroke is common at 74mm, capacity difference is by bore only. But an A10 has an 84mm stroke. A trick back in the day with A65s was to use a Devimead 750 conversion and an A10 crank to give 840cc.Great sidecar engine. Used in a couple of solos that went pretty well too.Today SRM will satisfy a need for these parts.
That BSA motor is pretty trick with a twin plugged head and an aftermarket side cover, but with an 84mm stroke, as marked on the label for noise testing it isn't an A50.
A65 and A50 stroke is common at 74mm, capacity difference is by bore only. But an A10 has an 84mm stroke. A trick back in the day with A65s was to use a Devimead 750 conversion and an A10 crank to give 840cc.
Great sidecar engine. Used in a couple of solos that went pretty well too.
Today SRM will satisfy a need for these parts.
