fz6 s1 carb/vacum sync

[ddtwelve]

Yep but there is true 4 vacuum hoses underneath the tank which you connect too ,with the tank up you'll see a 2 inch sqaure metal box with numbers 1-4 on it adjustments are made there do not adjust no1 as that's the standard setting adjust all the others to match no 1 then hey Presto ya done ,make sure engine is warm and after each adjustment blip throttle upto 4k leave to settle then check and adjust where necessary