How to Remove and replace the carburetor
Step 1) Undo air cleaner cover
Step 2) Hold in throttle trigger, block carb cam with fingers, and release throttle trigger. Cable end should pop out of carb cam seat.
Step 3) Remove cable from seat.
Step 4) Pull off gas lines from nipples on carburetor, and undo the 2 hex head bolts holding on the carburetor. There is a gasket between the carburetor and the plastic manifold that the carburetor sits on.
Step 5) Replace in reverse. You can re-use the gasket if it is in good condition. There is no need to over-tighten the hex head bolts when re-installing the carburetor. Just snug up firmly