1982 Montesa Cota 349 Mk4 fitted with a Mikuni VM round slide carb.
Has anyone got such a bike fitted with this carb. as I amm looking to find out what jets, jet needle, throttle valve settings work best as I am having a few problems getting the bike to run well.
The bike starts first or second kick from cold and after a little while will idle nicely. up to 1/4 throttle seems good but after that I am having some problems.
The carb. has been fitted with a 5F3 needle but most of the stuff on the internet seems to suggest that a 5F21 is the standard needle for this carb.
Any help or advice much appreciated.