Diagnosing problems with two stoke engines

Two stroke engines are widespread in a variety of garden machinery such as grass trimmers, tillers and chainsaws.

When one of these petrol garden tools develops a fault and refuses to start how do you go about finding the cause of the problem? Well a good place to start is by watching the video below which takes you through the basics of the various things that can go wrong with 2 stroke engines.

The video was produced by American spares retailer eReplacementParts but we have similar mail order parts suppliers over her in the UK, for example Buyspares.

Spark plug

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