Welcome back to the Atomic 4 Community Forum!
Thank you for being patient, as we completed our upgrade. One of the primary benefits of the upgrade was to dramatically improve system security. While there is a new look and feel to the forum, the overall function is pretty much the same.
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Topics: 131
Posts: 1,150
Last Post:
WELCOME BACK TO THE ATOMIC 4 COMMUNITY FORUM
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Drawings and Schematics
A repository of useful reference information from Forum members and elsewhere
Topics: 36
Posts: 231
Last Post:
Looking for the electrical diagram
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Introductions
Use this area to tell us about yourself, your boat, your engine, your experiences, etc. Whatever you'd like to share...
Topics: 308
Posts: 3,342
Last Post:
Second boat- first Atomic 4 !
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308 | 3,342 |
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Testing Protocols
How to perform the diagnostic tests our forum members often recommend.
Topics: 5
Posts: 42
Last Post:
Finding TDC the easy way
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Topics: 1,454
Posts: 14,200
Last Post:
eliminating the bypass on FWC
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Topics: 12
Posts: 19
Last Post:
Atomic 4 - Ignition Timing
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Topics: 34
Posts: 1,431
Last Post:
FWC: Hours since rebuild
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Topics: 13
Posts: 77
Last Post:
New Fire Protection Standards
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13 | 77 |
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Troubleshooting
Engine won't start? Starts, then dies? Overheats?
Topics: 1,863
Posts: 24,042
Last Post:
High rpms at idle
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Topics: 811
Posts: 7,837
Last Post:
Oil Pressure Adjustment Plug
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Topics: 453
Posts: 5,128
Last Post:
Indigo digital ignition troubleshooting
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453 | 5,128 |
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Electrical
Alternators, regulators, batteries, etc.
Topics: 631
Posts: 7,283
Last Post:
Engine cutting out randomly
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Topics: 1,124
Posts: 12,042
Last Post:
Flame arrester inlet side
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Topics: 1,320
Posts: 13,291
Last Post:
Raw water draining out
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Topics: 264
Posts: 1,928
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264 | 1,928 |
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Topics: 420
Posts: 4,852
Last Post:
Exhaust leak
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420 | 4,852 |
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Topics: 377
Posts: 4,898
Last Post:
Indigo Prop
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377 | 4,898 |
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Topics: 555
Posts: 8,037
Last Post:
Pics - Multiple Engine Rebuild 2023-24
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Topics: 41
Posts: 622
Last Post:
Phone APP - On course
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Topics: 32
Posts: 325
Last Post:
Oil change kit
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32 | 325 |
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Topics: 9
Posts: 48
Last Post:
Impeller puller
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9 | 48 |
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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
Last Post:
Shortening Transmission Shift Lever
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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
Last Post:
Atomic 4 Mechanic - Oakville, Ontario ???
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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
Last Post:
Old Atomic Sailor Newsletters
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36 | 219 |
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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
Last Post:
Oil pressure seating tool
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73 | 491 |
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Sub-Forums:
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Topics: 596
Posts: 7,790
Last Post:
Welcome back Hanley Clifford
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596 | 7,790 |
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Topics: 128
Posts: 1,967
Last Post:
Catalina 30 spreader installation issue
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128 | 1,967 |
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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
Last Post:
Laugh with me..."burning oil mystery"
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Topics: 58
Posts: 1,141
Last Post:
Osprey Watch '24
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58 | 1,141 |
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Topics: 6
Posts: 35
Last Post:
Shore power upgrade Breaker question
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6 | 35 |
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Topics: 30
Posts: 276
Last Post:
Navionics and Android
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30 | 276 |
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Topics: 417
Posts: 1,727
Last Post:
Atomic 4 for sale Whitby Ontario Canada
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417 | 1,727 |
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Topics: 58
Posts: 239
Last Post:
Heater $75
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58 | 239 |
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Topics: 58
Posts: 321
Last Post:
Needed: Universal Atomic 4 Marine engines
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Topics: 15
Posts: 89
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15 | 89 |
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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
Last Post:
Atomic4 valve adjustment
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2 | 13 |
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There are currently 53081 users online. 4 members and 53077 guests.
Most users ever online was 53,081 at 11:02 AM on Today.
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Yesterday, 11:44 AM
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I just installed the Indigo prop along with an all new 316SS wet exhaust and am pleased with the upgrade. I can cruise easily at 6kts now on my 1972 Ranger 33. I still really can't get above 1900 RPMs, so I guess she's a bit tired. I did rebuild the carb a few months ago, always starts immediately,... -
When removing the reversing gear housing, why do you need to loosen the brake band and lift the holding bar to remove the reversing gear and housing completely. Im rebuilding the engine totally
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Welcome back to the Atomic 4 Community Forum!
Thank you for being patient, as we completed our upgrade. One of the primary benefits of the upgrade was to dramatically improve system security. While there is a new look and feel to the forum, the overall function is pretty much the same.
...Yesterday, 11:44 AM