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Mechanics who work on these engines point to valve stem seal failures and timing issues that arrive well before 100,000 miles ...

Inside the engine are several fascinating parts, which you can see in Figure 7-8. At the top are the cylinder heads. These contain the mechanisms that allow the valves to open and close, letting the ...

With a little know-how, you can soon learn how to diagnose and fix common problems with your lawn mower's engine. Ah, spring, time to get outside and do. Cut that grass! Turn that soil! So you roll ...