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OIL LEAK

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GUZZIPETE View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote GUZZIPETE Quote  Post ReplyReply Direct Link To This Post Posted: 19 Sep 2019 at 19:29
It might remain one of life's mysteries Dave.

It could be a belt and braces measure, or maybe someone in the engine design office had a family member with an O ring factory?

Mine is back together now, so I'll see how long it remains oil-tight.
1971 Moto Guzzi V7 Special
1976 Moto Guzzi 850T
1977 Moto Guzzi Convert
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Amboman View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Amboman Quote  Post ReplyReply Direct Link To This Post Posted: 20 Sep 2019 at 14:17
Nothing to add regarding the o-rings. But, since Guzzi saw fit to use them, I continue to do so. I've even modified V700 cylinders with the necessary chamfer to add them.

FWIW, I've managed to make my V700 totally oil tight, but then it only has 3k miles since a total rebuild. Whether it will stay that way remains to be seen.
Charlie
'69 V700, '69 Ambassador, '76 Convert, '13 V7 Stone
http://www.AntietamClassicCycle.com
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Dave P. View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave P. Quote  Post ReplyReply Direct Link To This Post Posted: 20 Sep 2019 at 14:30
Thanks Charlie.
The mystery remains unsolved.
TO LIVE OUTSIDE THE LAW YOU MUST BE HONEST.

1971 V7 Special. 1972 850GT.
1970 T120 Bonnie. 2009 500 Bullet.
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jpc View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jpc Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 11:13
Along with the mystery "fiber" washers in the intake pipes, then. Ermm
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Dave P. View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave P. Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 13:40
Originally posted by jpc jpc wrote:

Along with the mystery "fiber" washers in the intake pipes, then. Ermm


Well the parts book refers to them as "Insulating washers" So I presume that they insulate the carb mounting flanges from heat conducted along the three mounting bolts to the bolt heads. I guess that the clearance between the shanks of the bolts and the holes that they pass through is enough to prevent much heat transference in that location.Result,cool carburetors....Maybe.
Better theories welcomed.
TO LIVE OUTSIDE THE LAW YOU MUST BE HONEST.

1971 V7 Special. 1972 850GT.
1970 T120 Bonnie. 2009 500 Bullet.
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jpc View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jpc Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 16:58
That'll do as a theory, Dave. Smile

It reminds me of a trader at my local weekly market, who has this loud, rambling sales pitch...
He always concludes it with; "And if you don't believe THAT, well, I can tell you ANOTHER story !"

Just kidding, you're more convincing than he is...

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Dave P. View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave P. Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 17:53
TO LIVE OUTSIDE THE LAW YOU MUST BE HONEST.

1971 V7 Special. 1972 850GT.
1970 T120 Bonnie. 2009 500 Bullet.
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