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    2003 Yamaha F90TLRB - Yellow Wire to the TCI/CDI and Tach Signal ???

    2003 F90TLRB - Yellow wire to TCI/CDI & Tach Signal??? What is the purpose of the yellow wire that is connected to ground and the 8 pin (middle) connector on the TCI/CDI ??? I'm curious since it's the only ground wire that's connected through a bullet connector and could be disconnected by...
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    Ultrasonic Carb Cleaning

    I recently bought another boat, had problems with my carbs, and discovered they needed a good cleaning. I’ve read over and over again to use an ultrasonic cleaner. The carbs on my Yamaha F90 have a dozen or so openings and passageways so I finally decided to break down and buy one. It’s been...
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    Honda BF50 Timing Issue/Question ??

    Can anyone tell me the correct timing for a 2000 Honda BF50AY 4-Stroke. I think I may be a couple teeth off on the flywheel. The service manual is a little confusing. The cam pulley timing mark and the flywheel timing marks line up correctly, but if I look into the cylinder with an inspection...
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