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Old 04 November 2014, 21:12   #1
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Country: UK - England
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Yamaha question
Hi

Yamaha 50hp 4 stroke outboard 2002

Above the engine oil drain plug on the front of the engine, is a small round hole, and above this a small rectangular hole... what are these for ???

I know the small round hole on the side of the powerhead base is the water pee hole


Thanks

Mat
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Old 05 November 2014, 20:49   #2
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Exhaust relief?
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