Is this normal?

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Clearwater262
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Is this normal?

#1 Post by Clearwater262 » Sat Jun 28, 2014 7:12 am

Is oil coming out of the "vent" screw normal? Also, what is the soft rubber piece hanging off the motor in picture 3? Thanks
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Clearwater262
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Re: Is this normal?

#2 Post by Clearwater262 » Sat Jun 28, 2014 7:13 am

Looks like the soft rubber piece is in picture #1. Sorry for the big pics, I thought downsizing them by 25% would be enough.
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HandymanHerb
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Re: Is this normal?

#3 Post by HandymanHerb » Sat Jun 28, 2014 7:21 am

480 x 640 works good on the forum
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jimrs
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Re: Is this normal?

#4 Post by jimrs » Sat Jun 28, 2014 8:19 am

With the screw removed or real loose oil should come out of the vent if the lower unit is full. If it's tight then you might be missing a gasket under the screw head. Not only will it loose oil but let water in. The piece your talking about is a hook up for a speedo meter. I resized your pictures.
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lakerunner
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Re: Is this normal?

#5 Post by lakerunner » Sat Jun 28, 2014 9:48 am

I think Merc's use O rings to seal lower unit screws
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BoatCop
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Re: Is this normal?

#6 Post by BoatCop » Sat Jun 28, 2014 12:24 pm

Mercury uses fiber washers for their drain and vent screws.

If it's leaking, there could be a few causes:

Washer missing
Washer old (dried up and brittle)
Washer split/broken
Washer doubled up (previous service didn't remove old washer and put new one on top of it)

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Re: Is this normal?

#7 Post by Bryden24shp » Sat Jun 28, 2014 5:04 pm

BoatCop wrote:Mercury uses fiber washers for their drain and vent screws.

If it's leaking, there could be a few causes:

Washer missing
Washer old (dried up and brittle)
Washer split/broken
Washer doubled up (previous service didn't remove old washer and put new one on top of it)

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babock
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Re: Is this normal?

#8 Post by babock » Sun Jun 29, 2014 12:30 pm

You need to replace those every time you change your gear lube.
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