The most common sizes of spark plug nuts and the sockets used to remove install them are 15 16 13 16 and 5 8.
Change spark plug troy bilt lawn mower.
Checking and changing spark plugs is an essential step in routine small engine maintenance and when troubleshooting problems with your lawn mower snow blower or other outdoor power equipment.
Repair your troy bilt lawn mower spark plug for less.
Remove the thick black boot off the spark plug.
To remove the spark plug.
Here s how to replace the spark plug.
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The engine should be cool before starting this project.
Spark plug ratchet w deep socket tool.
If the plug is rusted tight spray it with a penetrating lubricant and let that soak in for 10 minutes before trying to loosen the plug once more.
To start simply pull off the spark plug wire and remove the old plug using either a spark plug wrench or a deep socket wrench usually 13 16 in size.
Slip the socket over the plug and rotate the wrench counterclockwise lefty loosey until the plug comes loose and can be easily lifted away from the engine.
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Worn or fouled spark plugs result in frequent misfires increased exhaust emissions wasted gas and reduced power.
Remove the old spark plug by.
Begin by disconnecting the spark plug ignition wire.
Troy bilt recommends changing your spark plug or plugs annually or every 100 running hours whichever occurs first.
Before doing any small engine repair or maintenance be sure to check your manual for recommendations on specific parts numbers and safety precautions.
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Using a spark plug wrench and turning counterclockwise remove the old spark plug from the mower.