These dealer update bulletins may seem mundane but they show you the constant "tweaking" that went on behind the scenes. Obviously race bikes posing as production riders. IMO what makes them each unique, just had an R3 owner confirm the exact fracture point on his '69 R3 I have on my R3 coil mount even. A glimpse at factory "improvements" "bodges" for 1972. BSA & Triumph. There are far more pages to come...

Note the CocaCola bottle not a Wild ones beer drinker.

RIDE SAFE FOR A LONGER LIFE.
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THESE GREAT A65 & 109mph Pre-unit 500 ARTICLES COPIES WERE IN MECHANICS BINDER:
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THIS BIKE IS FROM FRED & TREV DEELEY MOTORCYCLES
CIRCA 1969 AS IS MY 21 YEAR OWNED '69 BSA 441: