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Wales
by Joske Vermeule, September 1
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Jun 14th, 2026
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Joined: Nov 2015
Posts: 8,684 Likes: 493
Just barreling along Needs to Get Out More!
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Just barreling along Needs to Get Out More!
Joined: Nov 2015
Posts: 8,684 Likes: 493 |
I bought a booklet a few years ago from a car mag review recommendation
Ignition and Timing (a guide to repair and replacement) by Colin Beever
Jon M
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Joined: Jun 2015
Posts: 2,093 Likes: 74
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2015
Posts: 2,093 Likes: 74 |
According to my notes the base plate should start moving around 5 inches Hg and reach the full movement at 15 to 17 inches Hg. May be a coding on the diaphragm to denote the start finish and advance 5 inches of Hg is just about manageable for the average human, but not much more than that, so the test by sucking may not be conclusive.
Doug
2011 Plus 4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Joined: Jan 2018
Posts: 411 Likes: 9
Learner Plates Off!
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OP
Learner Plates Off!
Joined: Jan 2018
Posts: 411 Likes: 9 |
I measured mine today and found that it begins to move at around 6" and is fully advanced at around 15" so I guess it's in the right ballpark.
I stripped the distributor too and nothing is binding all seems to be ok.... so far so good
Thank you for the info, it helped a lot. :-)
Paul
2009 4/4 Sport in Red
2022 Harley Davidson FXLRS Low Rider S
1977 Triumph Stag
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