Hello.
Have rebuild the carb after it has been sitting a few years with no use at all.
The bowl was covered in a green coating.
Changed all jets and cleaned it well.
Have 140 main jet and 40 pilot jet.
Needle at 4. groove from top
Float height set to 14,7mm

It did run ok with sputtering idle when hot.
From time to time it wont rev up with half tank of fuel.
Changed te air filter a week ago and its worse than ever.

Bogs when applying trottle, high idle for i while and returning to normal after a bit.

Removed air filter box and it runs fine.

As far as i can see the carb is clean and i have blown trough all jets.

Any tips to do next??