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Posts Made By:
jcwright
Forum:
General Interest
09-22-2022, 08:53 PM
Replies:
6
Exhaust flange stud size?
Views:
1,554
Posted By
jcwright
According to parts list, the size is: 4. Cap...
According to parts list, the size is:
4. Cap screw 2 231080 3/8-16x1"
I'll send a link to the document once I relocate it.
Jack
Forum:
Drawings and Schematics
06-15-2022, 11:34 AM
Replies:
8
ACID FLUSH
Views:
8,022
Posted By
jcwright
Hello Booniac. You asked if fresh water...
Hello Booniac.
You asked if fresh water flushing is ‘a thing’. It is. You may find this thread on flushing helpful:
https://www.moyermarineforum.com/forums/showthread.php?t=6087
To make...
Forum:
Drive Train / Propellers
06-08-2022, 09:46 PM
Replies:
9
Tips for removing prop shaft coupler: Engine Swap
Views:
1,711
Posted By
jcwright
For removing the coupler bolts, the suggestion I...
For removing the coupler bolts, the suggestion I found helpful is in post #9 in this thread:
https://www.moyermarineforum.com/forums/showthread.php?t=11092
I believe one of your earlier...
Forum:
Troubleshooting
02-07-2022, 08:18 AM
Replies:
14
Starter solenoid?
Views:
2,144
Posted By
jcwright
Hello Bayou. There are just two bolts that...
Hello Bayou.
There are just two bolts that attach the starter to the housing. This thread has suggestions on what to do if the starter remains stuck when the bolts are loosened. Also note that...
Forum:
General Maintenance
02-04-2022, 08:22 PM
Replies:
4
Oil leak
Views:
1,595
Posted By
jcwright
Hello again Jim. Thanks for the update. My...
Hello again Jim.
Thanks for the update. My valve cover did leak a bit after a rebuild, partly because I did not use any sealant. However 1/2" of oil in the bilge would be a lot to get past the...
Forum:
General Maintenance
02-04-2022, 04:51 PM
Replies:
4
Oil leak
Views:
1,595
Posted By
jcwright
Hello Jim. Here is a thread that includes a...
Hello Jim.
Here is a thread that includes a very helpful summary by Jeff on likely sources of oil leaks. See especially post #3:
https://www.moyermarineforum.com/forums/showthread.php?t=10075...
Forum:
Troubleshooting
01-29-2022, 06:49 PM
Replies:
14
Starter solenoid?
Views:
2,144
Posted By
jcwright
Hello Bayou. Here is an old thread with...
Hello Bayou.
Here is an old thread with notes on servicing a solenoid:
https://www.moyermarineforum.com/forums/showthread.php?t=4156
I 'serviced' mine once and got it working. But I agree...
Forum:
Fuel System
12-29-2021, 10:08 PM
Replies:
24
Proper Fuel Filter for an Atomic 4
Views:
2,779
Posted By
jcwright
Hello magi. Here is the filter/separator...
Hello magi.
Here is the filter/separator offered in the MMI catalog, which has a metal bowl:
https://moyermarine.com/product/racor-gasoline-fuel-filterwater-separator-fpmp_05-1_349/
Jack.
Forum:
Overhaul
10-27-2021, 03:21 PM
Replies:
123
Impromptu Overhaul
Views:
29,715
Posted By
jcwright
Hello Greg. MMI has the ‘small’ nuts listed...
Hello Greg.
MMI has the ‘small’ nuts listed below in its catalog; these might allow you to use the socket you already have. A thin wall socket is another option.
——-
Head nut (small), 3/8″...
Forum:
Troubleshooting
07-04-2021, 12:52 PM
Replies:
52
Runs great, but stalls out under power
Views:
11,054
Posted By
jcwright
There are at least two reports on the forum with...
There are at least two reports on the forum with vaguely similar symptoms -- idles ok but dies when powered up -- that were reported not to be fuel related. If I recall correctly, one of them was a...
Forum:
Troubleshooting
07-03-2021, 06:39 PM
Replies:
60
Trouble starting engine - valve open?
Views:
7,256
Posted By
jcwright
Here is a thread that includes suggestions on...
Here is a thread that includes suggestions on priming mechanical fuel pumps and other related problems:
https://www.moyermarineforum.com/forums/showthread.php?t=9607
Hopefully your persistence...
Forum:
Troubleshooting
07-03-2021, 09:33 AM
Replies:
38
Heat increasing, oil pressure decreasing
Views:
7,687
Posted By
jcwright
Hello ando. At idle, you are probably...
Hello ando.
At idle, you are probably somewhere in the 600-1000 rpm range.
A guideline from Moyer and others is to run the engine at your normal cruising speed, then aim for oil pressure of 40...
Forum:
Troubleshooting
07-03-2021, 08:54 AM
Replies:
60
Trouble starting engine - valve open?
Views:
7,256
Posted By
jcwright
Hello wetbirks. Here is an old thread on...
Hello wetbirks.
Here is an old thread on mechanical fuel pumps that may be helpful, especially post #3 by sastanley, which includes a picture:
...
Forum:
Troubleshooting
07-02-2021, 11:20 PM
Replies:
60
Trouble starting engine - valve open?
Views:
7,256
Posted By
jcwright
You mention that you think you ran the gas tank...
You mention that you think you ran the gas tank dry. After adding fuel and opening the fuel valve, did you prime the carburetor using the priming lever on your mechanical fuel pump?
Forum:
Troubleshooting
07-02-2021, 10:46 PM
Replies:
38
Heat increasing, oil pressure decreasing
Views:
7,687
Posted By
jcwright
Hello Ando. You probably already have this,...
Hello Ando.
You probably already have this, but if not, check this FAQ from Moyer:
https://moyermarine.com/nl12-1-17/
To increase the oil pressure, turn the adjusting screw clockwise.
...
Forum:
Troubleshooting
07-01-2021, 10:06 PM
Replies:
52
Runs great, but stalls out under power
Views:
11,054
Posted By
jcwright
Hello again. Since no one else has...
Hello again.
Since no one else has responded yet, here are some thoughts:
Others on this forum have reported cases where the thumb test misses low compression. IMHO, a compression gauge is a...
Forum:
Troubleshooting
07-01-2021, 09:14 PM
Replies:
52
Runs great, but stalls out under power
Views:
11,054
Posted By
jcwright
Hello catfish. Others who are far better at...
Hello catfish.
Others who are far better at remote diagnostics than I am will have suggestions for you. In the meantime, I have more questions than answers. Not trying to be picky, just trying...
Forum:
General Interest
05-04-2021, 09:20 AM
Replies:
8
Water manifold leak
Views:
2,326
Posted By
jcwright
Hello lokeypod. You may have already seen...
Hello lokeypod.
You may have already seen this, but just in case, here is Don Moyer's answer to a FAQ about installing core plugs:
FAQ’s: Cooling
Freeze-out plugs were originally installed...
Forum:
Troubleshooting
05-04-2021, 09:08 AM
Replies:
3
Valve adjustment symptoms
Views:
1,187
Posted By
jcwright
Hello svsonora. Here is a link to a short...
Hello svsonora.
Here is a link to a short thread on clearances you may find helpful:
https://www.moyermarineforum.com/forums/showthread.php?t=180
Jack.
Forum:
Troubleshooting
04-22-2021, 09:50 AM
Replies:
3
Rotate the engine
Views:
1,251
Posted By
jcwright
Hello SailingLife. Here is a link to an old...
Hello SailingLife.
Here is a link to an old thread on rotating the engine by hand:
https://www.moyermarineforum.com/forums/showthread.php?t=11213
Others who know what the access is like on...
Forum:
Electrical
03-15-2021, 10:22 PM
Replies:
29
Wiring kit cost for A4
Views:
5,288
Posted By
jcwright
Hello Bill. This paragraph from the MMI...
Hello Bill.
This paragraph from the MMI instructions for the wiring kit mentions the R terminal I think you are referring to:
"On late model engines with Delco starters, there is an "R"...
Forum:
Overhaul
01-27-2021, 05:02 PM
Replies:
7
Full overhaul for 1976 RWC A4
Views:
3,177
Posted By
jcwright
I see this note from Don (from an earlier thread)...
I see this note from Don (from an earlier thread) in my rebuild notes; I think it is relevant to your question:
"The short answer to your question is that the alignment of the timing marks during...
Forum:
Tools wanted or offered to rent
01-27-2021, 02:42 PM
Replies:
7
Atomic4 valve adjustment
Views:
6,013
Posted By
jcwright
FWIW, I also damaged my tool when trying to...
FWIW, I also damaged my tool when trying to compress the springs. I see in my notes this comment from Don on a possible cause of this problem:
"Over the years, varnish in the oil will...
Forum:
Overhaul
01-27-2021, 12:25 PM
Replies:
7
Full overhaul for 1976 RWC A4
Views:
3,177
Posted By
jcwright
Hello dplidr. Here is a comment from Don...
Hello dplidr.
Here is a comment from Don Moyer from a related earlier thread:
"There is a small "0" on the front face of one of the teeth of the small crankshaft gear and a small "0" between...
Forum:
Overhaul
01-16-2021, 10:06 AM
Replies:
5
Bolt Location--Old Model vs New Model
Views:
2,209
Posted By
jcwright
Hello Splashdog. I'm not sure it will help...
Hello Splashdog.
I'm not sure it will help with your situation, but below is a link to drawings that show the locations of the mounting holes for a late model A4. I've highlighted the hole...
Showing results 1 to 25 of 59
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