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Wales
by Joske Vermeule, September 1
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Forums39
Topics49,861
Posts837,531
Members9,596
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Most Online1,063
Jun 14th, 2026
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Joined: Jul 2013
Posts: 1,338
Has a lot to Say!
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Has a lot to Say!
Joined: Jul 2013
Posts: 1,338 |
I’ve been filling up the oil through the vent plug with no issues or leaks (2013 model with 7000km) If you measure the difference it’s only about a cm more. I couldn’t upload a picture by photobucket.
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Joined: Jun 2012
Posts: 2,242 Likes: 72
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2012
Posts: 2,242 Likes: 72 |
If it's only a small amount extra to the vent plug why not do it correctly and fill it to the fill plug level? It takes about 330ml of oil if it's the difficulty of removing the fill plug. With gearbox oil more is not better. 750 miles a year is hardly pushing it for a reliability study really.
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Joined: Jul 2013
Posts: 1,338
Has a lot to Say!
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Has a lot to Say!
Joined: Jul 2013
Posts: 1,338 |
What i meant to say was that the extra oil didn’t ruin the seal. filling the fill plug is easier Than the vent plug. But When you look at the bevel box from the side, the vent plug level seems to look better to me. Is the fill plug level really enough oil in the bb?
Last edited by Q8morgan; 07/08/19 07:49 PM.
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Joined: May 2012
Posts: 1,796 Likes: 5
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: May 2012
Posts: 1,796 Likes: 5 |
Be it right or wrong, I have always filled up to the orange breather on the side without any problem.
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Joined: Aug 2013
Posts: 1,562
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Aug 2013
Posts: 1,562 |
Be it right or wrong, I have always filled up to the orange breather on the side without any problem. Are you still on an orginal Harley compensator Dab ?
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Joined: May 2012
Posts: 1,796 Likes: 5
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: May 2012
Posts: 1,796 Likes: 5 |
Oh yes, running as sweet as a nut.
I just keep it greased.
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Joined: Jul 2013
Posts: 3,732 Likes: 79
Talk Morgan Addict
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Talk Morgan Addict
Joined: Jul 2013
Posts: 3,732 Likes: 79 |
Redline update:
I put Redline Shockproof 80W250 in a few weeks ago. Initially it seem to have a small effect with a slight reduction in noise but over a wider speed range. Now it’s done a couple of 100 miles I think it’s no better and maybe even slightly worse than the Millers 80W140.
I’ll leave it in for my upcoming trip to Switzerland and see if it changes with more running.
Red Leader 
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Joined: Oct 2016
Posts: 1,544 Likes: 1
Talk Morgan Enthusiast
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OP
Talk Morgan Enthusiast
Joined: Oct 2016
Posts: 1,544 Likes: 1 |
Has made a difference in mine (was a right screamer ) its changed the really high pitch into a slightly lower one! More bearable for now anyhow!! 
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Joined: Jan 2017
Posts: 637
Talk Morgan Regular
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Talk Morgan Regular
Joined: Jan 2017
Posts: 637 |
You really shouldn’t talk about Helga like that, Kev! 😊
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Joined: Oct 2016
Posts: 1,544 Likes: 1
Talk Morgan Enthusiast
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OP
Talk Morgan Enthusiast
Joined: Oct 2016
Posts: 1,544 Likes: 1 |
Shaun you trying to get me in trouble  I don't need any help 
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