2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 160Get this manual

2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 160

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Lower unit

Checking the water pump

1 Check the water pump housingReplace if deformedNOTE: If the engine overheated, the inside of the water pump housing may be deformed, ther