hi just wonderd if any one could help.iv beeen having touble lately.tick over is a bit up and down.when i turn the screw to turn it up and down it seems to not work as wel as before it takes more turns.some one said it mite be over fueling because it runs bad when first started for 5 minets.
can any one help?
iv noticed when running and take the oil cap off the engine speeds up.i fort it is serpose to slow down?

 

check obvious things like air leaks firstly if not then get it in to a garage m8