advance auto sells a spark plug tester for around 25 dollars
Check the plug and the wire.
Do you have a wire that goes to the top of the engine then yes you have a spark plug
Check the distributor and spark plug wires.
check the gappings of your spark plugs, it must be uniform.
Remove the spark plug wire from the spark plug. Use some heavy gloves or a set of insulated pliers to hold the spark plug wire about 1/4-inch from the engine block (ground) and crank the engine - you should see a spark jump from the wire to the engine ground. For a better check, use another spark plug and put it on the spark plug wire and use it as a "jumper" from the wire to the engine ground.
Check out my bio page for help on selecting the correct spark plug for your FourTrax.
Your weed eater spark plug may not be firing due to issues such as a dirty or faulty spark plug, a disconnected or damaged spark plug wire, or a problem with the ignition system. It is important to check and replace the spark plug if needed, ensure the spark plug wire is connected properly, and troubleshoot the ignition system to resolve the issue.
To change the spark plug on a 2004 Suzuki Eiger 400, first, ensure the engine is cool and disconnect the negative battery cable. Remove the spark plug cap and use a spark plug socket to unscrew the old spark plug. Before installing the new spark plug, check the gap and adjust it if necessary. Finally, screw in the new spark plug, reconnect the spark plug cap, and reattach the battery cable.
To change the spark plug on a Honda Rincon, first, ensure the engine is cool and disconnect the negative battery terminal. Remove the spark plug cap and use a spark plug socket to carefully unscrew the old spark plug. Before installing the new spark plug, check the gap and adjust it if necessary. Finally, screw in the new spark plug by hand, tighten it with the socket, reattach the spark plug cap, and reconnect the battery.
The spark plug gap for a 1999 Honda Civic LX is 0.044. You can use a plug gap tester to check the proper gap. You should always check the gap on all spark plugs prior to replacing the spark plugs.
The easiest way to find out is to remove the wire from the spark plug and hold it about 1/4 inch from ground (the engine block is good) while someone cranks the engine in short bursts. If you are getting spark you should see a blue spark jump fromt the wire to the engine block. You might want to check all spark plug wires while you're at it. If you want to check the spark plug while you're at it, remove the spark plug and attach it to the end of the wire before checking for spark. If you get spark through wire but not through the spark plug, the spark plug is bad.
Most of these were .045 but you should check with a AC spark plug application book.