The majority of motorcycles built before 1980 will have a points ignition. Points Ignition Systems on Old Motorcycles If you’ve just purchased an old motorcycle that’s not running, you should try to get it running with its points ignition before you decide to upgrade to an electronic ignition. In general, low compression engines will need more of a spark advance than a high compression engine.Īs engines wear, they loose compression overtime, which is why it is important to regularly check and time your ignition to keep your engine in top shape. When you set your ignition timing, you’ll either retard or advance the spark. Your engine will likely either be equipped with a points or an electronic ignition to control the spark. As the engine speeds up, the spark advancers works to manage when the cylinders get their spark. The ignition system is responsible for sending a spark to the plugs when the pistons are in the right positions – usually just before Top Dead Center. If you find you’re getting no spark at all, you may need to troubleshoot your electrical/starting system first. For mechanical adjustments, you’ll use the T mark. ![]() When adjusting the camshaft, ignition, and valves you’ll refer to the timing marks on your engine’s spark advancer.įor anything ignition related, you’ll typically refer to the F mark. ![]() Another step in getting your motorcycle to perform at its best is to properly set the ignition timing.
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