- Joined
- May 15, 2009
- Messages
- 100
Hi, all can anyone tell me the correct main jet size for 1977 mk3, twin amal mk1 carbs and blackcaps , i have checked a few books and there seems to be a few different sizes ie.220s 230s and 260s i have came across. Bike is fitted with 220s at the moment , as always thanks for any replies Brian