How do you adjust a high and low carburetor?
Locate the two fuel-adjustment screws on the side of the carburetor. One will be labeled “Hi” and the other “Lo.” The “Hi” screw regulates the engine at full throttle and the “Lo” regulates the fuel when the engine is idling.
How do you adjust the idle screw on a weed eater?
How to Adjust the Idle on a Weed Eater
- Place the Weed Eater trimmer on a workbench or other flat surface.
- Locate the idle speed adjustment screw situated to the side and slightly behind the air filter.
- Turn the adjustment screw to the right, or clockwise, to increase the engine idle speed.
How do you tell if a carburetor is rich or lean?
Typical symptoms of a rich mixture are:
- Poor fuel economy.
- Sluggish acceleration.
- Choke not needed from cold starts.
- Sooty or black spark plugs.
- Sooty or black muffler end pipes.
- Strong smell of gasoline when the machine is at idle.
- Uneven running (will often slow from regular idle rpms and then stop)
What causes a weed eater not to stay running?
The Final Word Remember: If your weed trimmer starts but won’t keep running that’s usually a sign of either a poor fuel/air mix or an easy-to-replace filter having gotten clogged, all of which are easy fixes to perform at home.
Is it illegal to own a carburetor adjustment tool?
it is illegal by EPA regulations to sell carburetor adjusting tools and illegal to buy them unless you are a servicing dealer.