veroli1994 wrote:Dave,

with full choke it will just about idle,but very eratic,self revs up and down from 1000-2500rpm.

Sounds to me like you have an air leak somewhere then, and the choke is just about able to richen the mixture up enough to run.

Check very carefully all the seals between the carbs and the reed blocks, then the reed blocks and the crankcase.
_________________
MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball