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You hear a knocking sound.

Updated: Oct 7, 2022

“If your engine is knockin’, you better be shoppin’.”

If there is a knocking in your engine, it is often the result of a bent crankshaft or a broken or bent rod. This can be an expensive lawn mower repair, and most of the time, you’re better off looking for a new mower.

It is possible that we could fit a secondhand engine that would give your mower a new lease of life. Before you move down this road, give your mower a good look over; what condition is your mower in – handles, deck, wheels and height adjustment? If they are all good, a second-hand engine might be a good idea, however, if your mower is getting tired all over, you might be paying good money after bad.

One of the main causes of a knocking engine is poor or old engine oil or running your mower out of oil.

Warning triangle.

Ensure you always check your oil level every time you use your mower.


If your oil looks black or thick, or if you have not changed it for about a year, you should empty your old oil and refill it with fresh oil. If you do not want to get involved with this job, we change your oil as part of our services. Contact us to book your mower in with us for a service.

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