Mercury - Engine Starter Yamaha Outboard Series 12-Volt Marine Grade 8M6007417. Overview. There is a certain comfort that comes from turning the key and hearing your engine spring to life without hesitation. No grinding. No sluggish turnover. Just a clean, confident start that tells you your day on the water is off to the right beginning. The Quicksilver 8M6007417 Engine Starter delivers that feeling every time - the kind of reliability you appreciate whether you are heading out before sunrise o