Twin carbs make all the difference…
Well, so you’d believe from all those sixties tune-up ads, John Tickle, Dunstall and the like… But I’ve never been so convinced. At 17, I had a single-carb Triumph 5TA and at 19, a twin-carb 750 Bonneville. I hated the paired Mk 2 Amal Concentrics on the T140. Partly because they had an annoying tendency to inhale the little foam rings that sealed the intakes to the air filter box. The first time it happened, the foam wrapped itself around one…
