Carburetor Adjustment
ID: 144644
Description: Follow this guide to adjust the carburetor on a...
Steps:
- Feed the inductive pickup lead wire through one of the two holes in the lower-left corner of the tachometer.
- Bend the wire around and feed it through the second hole, then pull it tight.
- Clamp the inductive pickup lead alligator clip onto the spark plug wire.
- Make sure the inductive pickup lead wire is not touching anything except the tachometer.
- Wear ear protection for the remainder of the procedure.
- Start the motor and let it run for two minutes to ensure it reaches operating temperature.
- Make sure the choke is fully in the open position.
- Use a Phillips screwdriver to adjust the carburetor idle screw until the tachometer reads as close to 3100 RPM as possible:
- Turn the idle screw clockwise to increase RPM
- Turn the idle screw counterclockwise to decrease RPM
- Once the idle has been set, shut off the motor and disconnect the tachometer.