magneto timing 59 super rocket

Started by mashermick, 20 Sep, 2018, 19:48

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mashermick

 hi , any idea of the degrees before top dead centre to time the magneto on the super rocket ?

Dean Southall

35 degrees BTDC fully advanced.
That is 5/16 rather than the original 3/8 and is recommended by SRM to take account of modern fuels
BSA: turning ordinary men into mechanics since 1910

mashermick

 many thanks ,the old pencil trick aint quite accurate enough !