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by simon8201 - 09/09/26 01:46 PM
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Wales
by Joske Vermeule, September 1
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Jun 14th, 2026
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Joined: Mar 2015
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Talk Morgan Regular
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Talk Morgan Enthusiast
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Nightmare city, not like its a 2 minute job either.
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Just Getting Started
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Just Getting Started
Joined: Jul 2015
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Been out and done 100miles all seems OK But at 50 mph in 5th gear and accelerate hard get a deep rumbell and a vibration under the seat ?? Ill check it out next week Got to make the most of the sunshine
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Joined: Oct 2012
Posts: 2,822 Likes: 155
Talk Morgan Expert
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Talk Morgan Expert
Joined: Oct 2012
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Been out and done 100miles all seems OK But at 50 mph in 5th gear and accelerate hard get a deep rumbell and a vibration under the seat ?? Ill check it out next week Got to make the most of the sunshine Probably just too few revs for anything more than a whiff of throttle at an indicated 50mph. If it still happens at that speed in 4th or 3rd then it could be a problem. The engine will be labouring and upsetting the compensator. The X-Wedge is anything but the low rev monster that many assume it to be.
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Joined: Oct 2015
Posts: 1,490
Has a lot to Say!
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Has a lot to Say!
Joined: Oct 2015
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Been out and done 100miles all seems OK But at 50 mph in 5th gear and accelerate hard get a deep rumbell and a vibration under the seat ?? Ill check it out next week Got to make the most of the sunshine Probably just too few revs for anything more than a whiff of throttle at an indicated 50mph. If it still happens at that speed in 4th or 3rd then it could be a problem. The engine will be labouring and upsetting the compensator. The X-Wedge is anything but the low rev monster that many assume it to be. Yeah... I only have 700 miles on her, but have a lifetime of "feel" for V-Twins. This baby wants nothing to do with less than 2,800 RPM. 3,000 is the start of her happiness. 3,500-4,000 is her chill area.
The Original Ken
11,000 miles.
2014 BMW R9T
2005 Saabaru
2005 Saabaru
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Joined: Jun 2012
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Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2012
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If you have a Centa compensator it probably will vibrate and rumble a bit when pulling from those sort of revs. As others have said this engine doesn't like low revs much, although it is much more tolerant with a better exhaust than standard.
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