Sunbeam scooter engine

[TTJOHN]

I am looking for an exploded view of the Sunbeam / Triumph 250cc twin engine, or the book with that in it, any help would be appreciated, many thanks in advance TTJohn.

[JulianS]

There is a scooter parts book in the members area.library search under "lightweights"

[Dean Southall]

John, I think you'll find owners we more likely to be looking at an exploded unit 250 single engine