The first thing to do is change the spark plug. Review the FAQ on troubleshooting ignition system problems to learn how a spark tester can identify problems with the ignition coil, switch, flywheel or other small engine parts.How To Clean Fouled Spark Plugs...
Spark Plugs are recommended to be changed every 30,000 miles. On average, it takes about 2 hours to change them if you take some breaks. Give yourself 4 hours (or more, depending on how familiar you are with working on engines), if you have never done this before. ...
Step 1: Prepare your Ultima zero-turn mower for maintenance. Place your mower on a flat, level surface. Turn the mower off and make sure the engine is cool. Remove the ignition key, disconnect the spark plug ignition wire, and engage the parking brake. This helps ensure th...
Tip the mower back over onto its wheels. Push the spark plug boot back onto the end of the plug until it snaps into place. Warning Never tip the mower more than 90 degrees. Never leave the mower on its side for long periods of time or the mower may not start due to oil leaking in...
Remove the spark plug connector Remove the collector Flip the lawnmower on its side, so that the air filter is pointing up and the muffler down Loosen and remove the blade bolt and dismount the blade Mount the mulch blade and tighten the bolt Use a wooden block to stop the blade from mo...
Disconnect the spark plug wire from the mower's spark plug to disable the engine. This prevents accidental starting while you work near the mower blade. Step 2 Remove the screws that hold the transmission cover onto the top of the mower with a screwdriver. Place the cover off to the side...
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Step 1: Prepare your Ultima zero-turn mower for maintenance. Place your mower on a flat, level surface. Turn the mower off and make sure the engine is cool. Remove the ignition key, disconnect the spark plug ignition wire, and engage the parking brake. This helps ensure the machine doesn...
However, if you have a petrol engine lawnmower, here's how to keep it in top condition with careful non-routine maintenance, year after year: Check the air filter like you would when performing routine maintenance: if it’s damaged or too dirty, change it. Clean the spark plug and check...
Tighten the bolts to a torque of 115 to 125 lb-ft. Replace the spark plug. Tip Check the lawnmower blades after each use for damage and cracks. When checking the blades for damage, unplug the spark wire to ensure disengagement of the mower. ...