How to Remove a Riding Lawn Mower Governor

Written by mark o'brien
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How to Remove a Riding Lawn Mower Governor
Remove your riding mower governor if necessary. (Man mowing image by xymm from

When you are rebuilding your riding lawnmower engine or plan to turn it into a racing lawnmower, you will want to know how to remove the engine governor. The lawnmower engines governor consists of a plastic flap next to the flywheel on the engine; when the flywheel gets going to fast, the air the flywheel creates blows the governor flap out and pulls on the springs attached to the throttle and carburettor to slow the engine down.

Skill level:

Things you need

  • Wrench set

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  1. 1

    Unscrew all the bolts with the proper size wrenches that hold the flywheel housing on the top of the engine. Bolts are around the entire perimeter of the housing cover holding it onto the engine block.

  2. 2

    Pull off the flywheel housing.

  3. 3

    Locate the plastic governor flap next to the flywheel.

  4. 4

    Follow the plastic governor flap to where it is bolted to the engine frame. Unscrew the bolt with the proper size wrench.

  5. 5

    Unhook the two springs attached to the end of the plastic governor flap. Unhook the springs from the carburettor and the engine throttle, and place them in a safe place with the plastic governor flap.

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