Official Noma front-tine tiller parts

How to fix your Noma front-tine tiller when its engine leaks oil or gas

Oil leaks from a tiller engine can be caused by a leaking head gasket, sump gasket or oil drain plug. A loose or cracked fuel line can leak gas. A failed seal on the carburetor can also leak gas.

If the engine leaks oil, check the head gasket and replace that gasket if it leaks oil. Check the sump gasket if oil is leaking from the bottom of the engine and replace the sump gasket if it leaks. Tighten or replace the oil drain plug if it's leaking.

If the engine leaks gas, move the tiller to a well-ventilated area and check the fuel line. Reconnect the fuel line if it's loose and replace the fuel line if it's cracked. If the fuel line is okay, check the carburetor. Rebuild the carburetor with new seals and gaskets if the carburetor leaks gas. Sometimes, it's easier to replace the carburetor than to rebuild it.

Troubleshooting your Noma front-tine tiller when its engine runs rough or misfires

If your tiller engine isn't running smoothly, cleaning or replacing the carburetor, tuning up the engine or replacing bad gas may fix the problem.

If you left gas in the tank during the winter without adding fuel stabilizer, drain the tank and fill it with fresh gas. Add fuel stabilizer to gas to keep it fresh during the off-season.

Stale fuel can clog the carburetor, so clean and rebuild the carburetor if the tiller continues to run rough or misfire after replacing the gas in the fuel tank. Replace the carburetor if it's too clogged to clean.

Tune up the tiller engine by replacing the spark plug and oil. A dirty spark plug won't ignite the fuel properly. Old oil won't lubricate engine parts well so the engine idles roughly because the piston or pistons won't move smoothly through the cylinder.