DescriptionThis video provides step-by-step instructions for replacing the fuel shut-off valve on Honda small engines, commonly found on Honda and Toro lawn mowers. The most common reason for replacing the fuel shut-off valve is when fuel flows or leaks into the carburetor even when the valve is in the off position.
All of the information in this fuel shut-off valve replacement video is applicable to the following brands: Honda, Toro
Tools used: 10mm socket and socket wrench, pinch off pliers, pliers, 10 in 1 screwdriver
Step-By-Step Instructions1
Before you replace the fuel shut-off valve first make sure the engine has cooled.
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Next, you should remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
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We recommend performing this procedure with little or no fuel in the tank and removing the engine cover to make replacing the fuel valve easier.
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To do this, remove the nuts securing the recoil starter to the engine.
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Now lift off the engine cover and fuel tank and set them aside.
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Be aware that some fuel may spill.
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Use locking pliers to crimp the fuel line.
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Now release the retaining clamp and detach the large fuel line from the shut-off valve.
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Remove the bolts to release the control mounting plate.
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You can now use a phillips-head screwdriver to remove the screw securing the fuel shut-off valve.
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Release the retaining clamp to detach the small fuel line and remove the old valve.
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Install the new fuel shut-off valve by attaching the small fuel line and securing it with the retaining clamp.
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Position the new valve on the mounting plate and replace the screw to secure.
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Realign the mounting plate and secure it with the bolts.
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Connect the large fuel line to the new valve secure it with the retaining clamp and remove the locking pliers.
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Replace the engine cover and fuel tank on the engine.
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Reinstall the recoil starter by aligning it on the mounting posts. then thread the nuts on to secure.
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Reattach the wire and boot to the spark plug.
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Add fuel to the tank and confirm that the engine runs properly.