Properly maintaining your lawnmower will make the machine last longer, and it will help you save money in the long run. Adjusting the idle speed of your lawnmower engine to the correct RPM will ensure that the engine will run properly, and also that it will not burn too much fuel. This how-to article refers specifically to a Honda 5.0 HP vertical shaft lawnmower engine, model number GXV140.
- Skill level:
- Moderately Easy
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Things you need
- Philips head screwdriver
- senDEC Tach or Tach/Hour meter
Start the engine and allow it to run until it warms up to normal operating temperature.
Move the throttle control lever to its lowest position and wrap the tache meter wire around the spark plug wire.
Using a Philips head screwdriver, turn the throttle stop screw to reach the standard idle speed.
Start the engine again and allow the tache meter to read the RPMs.
Make the necessary adjustments by increasing or decreasing the RPMs. The standard idle speed for this engine model is 2,100 +/- 150 RPMs.
Tips and warnings
- Maintain and service your lawnmower's engine regularly.
- Use only recommended replacement parts.
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