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An engine's sparkplug is an essential part of the ignition system. At the end of the plug is a small gap between the plug and the electrode. Spark jumps across this gap and provides the engine's spark, but over time the metal can get worn, causing the gap to change. This can result in a poor-running, poor-performing engine. If the plugs are reusable you can clean and regap them, or you can install new plugs that will need to be gapped as well. more »
Mercury Marine is one of the most recognized nautical supply companies on the market today. Its outboard motors control a large market for small and mid-size recreational boats. At some point you'll need to know how to set or adjust the timing of a new Mercury motor. The timing settings on an outboard motor control the boat's power and acceleration and are an important part of your boat's health. Adjusting the timing on a Mercury outboard motor is relatively easy, as long as you have a timing light, dial indicator and spark plug gap tool. more »
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