Noma makes gas walk-behind lawn mowers that are powerful and reliable. You can depend on your Noma lawn mower to start when you need to cut the lawn. Eventually, parts will wear out on your Noma gas walk-behind lawn mower. Sears PartsDirect has the Noma repair parts you need to fix any gas walk-behind lawn mower problem.
If your lawn mower cuts out, smokes, idles poorly, vibrates or runs erratically, it could need a good tune-up to replace the spark plug, oil and air filter. Or the problem could be with the lawn mower's fuel system. Rebuild or replace the carburetor if the engine isn't getting a good supply of fuel.
If the engine misfires, backfires, sputters or jerks the starter rope out of your hand when you try to start it, the flywheel key could be broken. A broken flywheel key disrupts the ignition timing because the magnets aren't passing the ignition coil in synchronization with piston movement. Replace the flywheel key if it's damaged or broken.
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