you have one of two problems-either the magnito has rust on it and the fly wheels magnet has rust on it. or the pin in the crank has sheered off. the engine will still roll over but it won't start because the engine doesn't have enough fly wheel speed to fire up.
Hope this will help you
Mickey-G, June 2009
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I can answer this question...
i have a 14 hp vangaurd briggs it has fuel, fire, & compression?