hello just bought this motor few months ago runs good . but other day I check oil and water mixed with oil. so any clues where I should look b4 I take head off?
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03 9.9 elrb yamaha water in oil
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im from pa and *****ed a lot this winter in 38 degree water .prob 8 trips 30 to 40 hrs and checked oil and seen it was 20 % water so drained and refilled ran muffs for 1 hr had very little milk color so was hoping that just cleaned out other oil.
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Originally posted by rodbolt17 View Post9.9ELRB.
cant have water in the oil, its a two stroke premix motor.
problem solved2002 19ft. Baystealth 1888 with Yamaha F115 (4 stroke)
2002 15ft Alumacraft with 25 Yamaha 4 stroke
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the T indicates its a high thrust fourstroke model. different gearcase than the F.however the water in the oil will be most likely a head gasket,that zinc under the cam cover,the powerhead gasket or an oil pan failure.
overheats can case any and all of this as can salt water.
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