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Old 10-14-2010, 04:35 AM
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Default 2002 Yamaha 115 4 Stroke Oil Change Question

Changing oil, but can't find the drain plug, where is it? do I take off the plastic cover between the engine and the LU? I have it half off but don't see a plug. Is it a hex head bolt or a allen head. I thought it was on the lower back under the cover. Thanks, HB
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Old 10-14-2010, 04:47 AM
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Default 115 oil change

The drain plug should be the same as the f150 motor. Look inside the rubber tube just under the cowl.
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Old 10-14-2010, 05:19 AM
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Very nice looking boat. So the drain plug is under the top cover? Seems that it's lower as the dip stick is lower, sorry to sound so stupid. and the rubber tube? So I don't have to take off the plastic cover that's below the top cover and the LU? Thanks for your help.
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Old 10-14-2010, 10:22 AM
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Can anyone else help me? I want to change my oil before the weekend. I never expect to do more than change my oil and LU gear oil. everything else I go to the Yammy dealer, therefore I don't want to purchase the repair manual. I'm not that dumb, I have rebuilt many engines in my time, but need some guideance here , Thanks.
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Old 10-14-2010, 10:35 AM
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the drain plug is up in the rubber tubes you see above. if you are removing any plastic to get to it, you are doing something wrong
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Old 10-14-2010, 10:39 AM
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There are 2 openings at the rear of the engine. The upper one that is located just below the cowl is the exhaust relieve vent. The lower one, which is located in the midsection above the lower unit, is the oil drain. There is a nut located inside of the rubber drain tube.

You can see this in the picture above.
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Old 10-14-2010, 10:41 AM
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Great, Thanks, Now I understand!! I love this site....
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Old 10-14-2010, 11:05 AM
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Here you go..this is my tutorial of my F 115's that Andy at SIM posted. I did a little more than an oil change, however!

http://www.thehulltruth.com/shipyard...intenance.html

Also...be VERY careful when putting that oil drain plug back in. It only takes 11 ft. lbs to tighten it. Any more can result in a stripped thread....
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Old 10-14-2010, 11:23 AM
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triumphrick, nice pics you've got posted there. Did you build those lower unit stands or purchase them? I was thinking about building one for my F150.
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Old 10-14-2010, 11:41 AM
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Quote:
Originally Posted by sweendog View Post
triumphrick, nice pics you've got posted there. Did you build those lower unit stands or purchase them? I was thinking about building one for my F150.
No, they are B&D workmates..and they worked fine!
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Old 10-14-2010, 12:09 PM
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Ah, good idea. I will pick one up then, thank you sir!
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