Oil passage screw?

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dougvc
Cucciolo - the Lil Pup
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Oil passage screw?

Post by dougvc » Fri Nov 26, 2010 8:37 am

I have a 1991 750 Sport in near perfect condition which has developed an oil 'weep' that I wish to fix. Just adjacent to the spark plug hole on the vertical cylinder is a small screw (looks like a set screw) past which there is a small but steady leak of oil. What is the purpose of this screw? Is there something inside secured by the screw? Any reason I could not replace it with a screw with a head on it (same length of course) and add a little loctite or silicon to seal it? I have the shop manual but it has no comment or detail on this as far as I can find. Thanks.

wdietz186
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Post by wdietz186 » Fri Nov 26, 2010 9:25 pm

The screw is a plug for the oil feed drilling that supplies the cam. You can remove it and seal it with Loctite or 3Bond silicone sealer or use a screw or bolt with a head and use a copper or alu. crush washer. Or both washer and sealer.

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dougvc
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Post by dougvc » Sat Nov 27, 2010 3:28 pm

Thanks!

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