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Directory Topics Posts Last Post
Topics: 132 Posts: 1,159
Last Post: Photo Albums
132 1,159
ndutton
by ndutton
Introductions
Use this area to tell us about yourself, your boat, your engine, your experiences, etc. Whatever you'd like to share...
Topics: 309 Posts: 3,346
309 3,346
Discussion Topics
Topics: 1,458 Posts: 14,229
1,458 14,229
Dave Neptune
Topics: 813 Posts: 7,875
813 7,875
Troubleshooting
Engine won't start? Starts, then dies? Overheats?
Topics: 1,869 Posts: 24,092
1,869 24,092
joe_db
by joe_db
Topics: 1,323 Posts: 13,301
Last Post: Thermostat
1,323 13,301
Sam
by Sam
Electrical
Alternators, regulators, batteries, etc.
Topics: 636 Posts: 7,342
636 7,342
joe_db
by joe_db
Topics: 1,128 Posts: 12,069
1,128 12,069
Topics: 454 Posts: 5,144
454 5,144
Topics: 13 Posts: 77
13 77
W2ET
by W2ET
Topics: 421 Posts: 4,864
421 4,864
Topics: 12 Posts: 19
12 19
campbdon
Topics: 264 Posts: 1,928
264 1,928
Topics: 34 Posts: 1,431
34 1,431
edwardc
by edwardc
Topics: 378 Posts: 4,908
378 4,908
Topics: 556 Posts: 8,042
556 8,042
15468
by 15468
Topics: 41 Posts: 622
41 622
joe_db
by joe_db
Topics: 32 Posts: 325
Last Post: Oil change kit
32 325
edwardc
by edwardc
Topics: 9 Posts: 48
Last Post: Impeller puller
9 48
capnward
Moyer Marine Pin-Up's
This year's beauties! At year-end, we'll have you cast your vote for the pin-up of the year.
Topics: 30 Posts: 78
30 78
Good Guys
Forum member references and recommendations for those looking for a good mechanic for repair and maintenance of the Atomic 4 engine.
Topics: 101 Posts: 563
101 563
Links of Particular Interest
Feel free to post links to websites you think may be of interest to fellow Forum members.
Topics: 36 Posts: 219
36 219
The Wish List
A place to suggest and debate products or services for the Atomic 4 that you wish were available.
Topics: 73 Posts: 491
73 491
Ando
by Ando
Drawings and Schematics
A repository of useful reference information from Forum members and elsewhere
Topics: 36 Posts: 231
36 231
Testing Protocols
How to perform the diagnostic tests our forum members often recommend.
Topics: 5 Posts: 42
5 42
ndutton
by ndutton
Glossary of Terms
Acronyms and the like which may not be well known to all Forum members.
Topics: 2 Posts: 32
Last Post: Acronyms
2 32
ndutton
by ndutton
Owner Discussion Groups
Sub-Forums:
Alberg (9/161)
Bristol (5/15)
C&C (15/136)
Cal (3/43)
Catalina (46/400)
Columbia (5/27)
Ericson (17/358)
Grampian (8/649)
Herreshoff (3/405)
Irwin (8/38)
Islander (3/21)
Morgan (6/49)
Newport (4/24)
O'Day (2/8)
Pearson (36/382)
Ranger (13/58)
Sabre (2/20)
Tartan (25/296)
Off-Topic
Topics: 598 Posts: 7,800
598 7,800
Topics: 128 Posts: 1,967
128 1,967
Captain's Confession
Seeing how it seems we are not perfect, admitting to our lapses in good sense or judgment it is a sort of penance and it may actually help someone else down the line...it may make some sense to start a Captain's Confession category... Tim (breweraz)
Topics: 23 Posts: 252
23 252
Topics: 58 Posts: 1,141
Last Post: Osprey Watch '24
58 1,141
W2ET
by W2ET
Topics: 6 Posts: 35
6 35
Topics: 30 Posts: 276
30 276
sastanley
Classified Ads
Topics: 417 Posts: 1,727
417 1,727
Topics: 58 Posts: 239
Last Post: Heater $75
58 239
Dave Neptune
Topics: 58 Posts: 321
58 321
Topics: 15 Posts: 89
15 89
Tools wanted or offered to rent
MMI is not involved in any member-to-member arrangements and bears no responsibility to either party.
Topics: 2 Posts: 13
2 13
Dave Neptune

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There are currently 6401 users online. 8 members and 6393 guests.

Most users ever online was 183,529 at 11:51 AM on 04-27-2024.

Moyer Marine Atomic 4 Community - Home of the Afourians Statistics

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Topics: 11,785   Posts: 129,609   Members: 8,064   Active Members: 49
Welcome to our newest member, Tade.

Moyer Marine Atomic 4 Community - Home of the Afourians

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Latest Topics

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  • Anchor1800
    Fuel pump change required?
    by Anchor1800
    I had very low fuel pressure, around 1psi. I have the engine diagnostic installed in addition to a fuel pressure gauge and it would occasionally alarm due to low fuel pressure, often when changing throttle position from high to low, less often from low to high. But I can often save it by playing with...
    07-10-2024, 03:38 PM
  • sastanley
    No difference in the amount of work - power vs sail and engines
    by sastanley
    FYI - I am dealing with timing issues and distributors and carbs and the whole same thing, this motor just makes a bit more HP. I put this in off-topic to not jam up the A4 specific areas. I know all the old salts check all the forums. (I do like the new pic upload widget, it is a lot easier!!)...
    You do not have permission to view this gallery.
    This gallery has 3 photos.
    07-09-2024, 11:51 PM
  • edwardc
    Photo Albums
    by edwardc
    What happened to the albums under the new forum SW?
    07-07-2024, 07:46 PM

trending

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  • Anchor1800
    Fuel pump change required?
    by Anchor1800
    I had very low fuel pressure, around 1psi. I have the engine diagnostic installed in addition to a fuel pressure gauge and it would occasionally alarm due to low fuel pressure, often when changing throttle position from high to low, less often from low to high. But I can often save it by playing with...
    07-10-2024, 03:38 PM
  • SAFARI
    Engine will only idle
    by SAFARI
    This is my first post and I have run out of plans to correct my problem. I have an older A-4, the boat is a home built '66 Spencer with some upgrades. It ran perfectly last fall and then when it was launched this spring it would not start. Rebuilt mech. fuel pump and it would start and only idle....
    07-05-2023, 11:15 AM
  • sastanley
    No difference in the amount of work - power vs sail and engines
    by sastanley
    FYI - I am dealing with timing issues and distributors and carbs and the whole same thing, this motor just makes a bit more HP. I put this in off-topic to not jam up the A4 specific areas. I know all the old salts check all the forums. (I do like the new pic upload widget, it is a lot easier!!)...
    You do not have permission to view this gallery.
    This gallery has 3 photos.
    07-09-2024, 11:51 PM
  • Larry in Maine
    Thermostat
    by Larry in Maine
    I need to replace the thermostat on my A-4. What choices do I have?
    06-26-2024, 12:34 PM
  • Desmond
    Inline cooling water exhaust entry fitting location
    by Desmond
    My fitting is located at the downside of the elbow bend. Could this have contributed to the location of the rust out? and could it, in the future cause, "Exhaust water reflux"? On this site I found a picture of the exhaust entry placed farther down stream, see pic. What if I placed the...
    05-09-2024, 11:01 AM
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