Smoke is coming out of your exhaust.

Smoke coming out of your mower’s exhaust can be a sign that you have lent your mower on its side to clean it and now it has some oil in the carburettor. However, if the smoke does not clear up after a minute or two, you have a bigger problem. You may have worn piston rings or a damaged cylinder.

This can be the result of not cleaning your air filter. Dirt may make its way into the cylinder, your rings could just be worn out, or you may have run your engine with too little engine oil. Regardless of the cause, depending on the severity of the damage, it might be time for another engine and it might mean that you should be looking at a new lawnmower.

If the rest of your mower is in very good condition, you might want to think about a secondhand engine or even a new engine for your mower, however, this can be expensive. 

Do let us have your tips in the comments below. 

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