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Search: Posts Made By: JOHN COOKSON
Forum: General Interest Today, 05:21 PM
Replies: 3
Views: 75
Posted By JOHN COOKSON
Some put the ignition key on the seacock when...

Some put the ignition key on the seacock when they close it.

TRUE GRIT
Forum: Electrical 07-17-2019, 06:20 PM
Replies: 4
Views: 199
Posted By JOHN COOKSON
At a minimum the blower, radio, and other...

At a minimum the blower, radio, and other electronics, such as the depth sounder should operate whether the engine is running or not.
If I can it to attach here's wiring diagram from my original A4...
Forum: Troubleshooting 07-15-2019, 11:53 PM
Replies: 5
Views: 202
Posted By JOHN COOKSON
A big welcome to the forum. Has the prop...

A big welcome to the forum.

Has the prop been checked for growth and fouling?
What RPM is the engine turning when the power maxes out?

Others members will also be along with ideas.

TRUE GRIT
Forum: General Interest 07-12-2019, 11:10 AM
Replies: 8
Views: 308
Posted By JOHN COOKSON
+1 on this. It would be good thing to confirm...

+1 on this.
It would be good thing to confirm the oil pressure readings by another method.

TRUE GRIT
Forum: General Interest 07-10-2019, 06:24 PM
Replies: 6
Views: 266
Posted By JOHN COOKSON
Why not adjust the idle and find out? Gently seat...

Why not adjust the idle and find out? Gently seat the idle adjustment then back it out 1 1/4 to 1 1/2 turns. See what happens.
As noted the idle adjustment will not affect high speed operation....
Forum: Troubleshooting 07-10-2019, 06:17 PM
Replies: 22
Views: 576
Posted By JOHN COOKSON
When the engine starts to "struggle" shut it down...

When the engine starts to "struggle" shut it down and put finger on the stuffing box.The stuffing box should be close to the water temperature the boat is floating in.

TRUE GRIT
Forum: Troubleshooting 07-10-2019, 06:07 PM
Replies: 13
Views: 374
Posted By JOHN COOKSON
Dumb Question Perhaps......

Have you tried adjusting the oil pressure? If you have tried adjusting the oil pressure did it result in a pressure change?

TRUE GRIT
Forum: Troubleshooting 07-07-2019, 08:32 PM
Replies: 13
Views: 331
Posted By JOHN COOKSON
Could be a weak spark plug. Pull the spark plug...

Could be a weak spark plug. Pull the spark plug wires one at a time while the engine is in the "low power" mode and note any changed in performance.

Could be a blocked tank vent. Would explain the...
Forum: General Interest 07-01-2019, 12:44 AM
Replies: 127
Views: 33,956
Posted By JOHN COOKSON
Modern day figurehead. TRUE GRIT

Modern day figurehead.

TRUE GRIT
Forum: General Interest 06-28-2019, 09:02 PM
Replies: 2
Views: 273
Posted By JOHN COOKSON
Check to be sure the choke is closing all the...

Check to be sure the choke is closing all the way.
Don't like the yellow spark. Do you have points or an electronic ignition? The coil may be on it's way to not working at all.

TRUE GRIT
Forum: General Interest 06-25-2019, 10:32 AM
Replies: 127
Views: 33,956
Posted By JOHN COOKSON
CAT 30 with tiller steering. Interesting. I...

CAT 30 with tiller steering. Interesting. I presume pedestal steering was a factory option at time?
Awlgrip paint on the hull? Looks good what ever it is.

TRUE GRIT
Forum: Exhaust System 06-25-2019, 10:21 AM
Replies: 5
Views: 183
Posted By JOHN COOKSON
If the flange bolts put up a fight try starting...

If the flange bolts put up a fight try starting the engine, run it up to operating temperature, then have a go at loosing the bolts while the engine is running. The heat + vibration will help the...
Forum: Troubleshooting 06-23-2019, 04:27 PM
Replies: 15
Views: 312
Posted By JOHN COOKSON
Needing brief full choke to start fully warmed up...

Needing brief full choke to start fully warmed up A4 is normal. If a warm A4 does not need some choke to start it means the mixture is to rich.

TRUE GRIT
Forum: Troubleshooting 06-23-2019, 12:49 AM
Replies: 15
Views: 312
Posted By JOHN COOKSON
Is the prop clear and free of obstructions? ...

Is the prop clear and free of obstructions?
Also how much sea life has grown on the prop since the last check?

TRUE GRIT
Forum: Troubleshooting 06-18-2019, 01:57 AM
Replies: 5
Views: 315
Posted By JOHN COOKSON
Consider re plumbing with the Thatch...

Consider re plumbing with the Thatch modification.
The thatch modification is when water is introduced into the low end of the manifold and exits at the hight end of the manifold.
The result is no...
Forum: Cooling System 06-16-2019, 05:34 PM
Replies: 31
Views: 985
Posted By JOHN COOKSON
Start the engine. While the engine is running...

Start the engine. While the engine is running shake the wiring between the key and coil +. If you have an electronic fuel pump shake the wiring between coil + and the fuel pump while the engine is...
Forum: Cooling System 06-14-2019, 10:56 AM
Replies: 31
Views: 985
Posted By JOHN COOKSON
Don't leave the key in the on position to long...

Don't leave the key in the on position to long when the engine is not running when you do the testing or the coil will over heat and be damaged. I don't know what the "official" guideline is. I get...
Forum: Troubleshooting 06-12-2019, 06:09 PM
Replies: 2
Views: 246
Posted By JOHN COOKSON
The chronic loss of adjustment could be due to...

The chronic loss of adjustment could be due to the shift lever not being firmly attached at the transmission on the engine.
Can you reliability find reverse with the cable disconnected and shift by...
Forum: Ignition System 06-10-2019, 05:44 PM
Replies: 3
Views: 214
Posted By JOHN COOKSON
You're off to a great start. When you get the...

You're off to a great start.
When you get the new springs disassemble the advance and soak the parts overnight in vinegar or lime away to get rid of all the corrosion. Clean out the distributor...
Forum: Ignition System 06-10-2019, 05:32 PM
Replies: 16
Views: 566
Posted By JOHN COOKSON
If you had this much moisture in and around the...

If you had this much moisture in and around the distributor cap did you clean the distributor towers where the big wires plug into? The little boots that are on the wires that fit over the towers...
Forum: Ignition System 06-09-2019, 08:10 PM
Replies: 16
Views: 566
Posted By JOHN COOKSON
Sound to me that that coil - is grounded even...

Sound to me that that coil - is grounded even when the points are open. A common reason is the insulation is worn on the wire where the wire from coil - goes into the distributor. Take the wire off...
Forum: Troubleshooting 06-06-2019, 08:10 PM
Replies: 23
Views: 775
Posted By JOHN COOKSON
I didn't reread the thread. If you don't have...

I didn't reread the thread.
If you don't have a "polishing filter" between the fuel pump and the carburetor I would strongly recommend one.

TRUE GRIT
Forum: Troubleshooting 06-04-2019, 12:37 AM
Replies: 29
Views: 941
Posted By JOHN COOKSON
SR: Just a quick hint. I watched the carb...

SR: Just a quick hint.
I watched the carb repair video. Get a piece of 2X4 an set the carb on it, hold the carb with one hand then tighten the screws with the other hand while you are standing over...
Forum: Drive Train / Propellers 06-02-2019, 12:08 PM
Replies: 14
Views: 637
Posted By JOHN COOKSON
Finding neutral on an A4 can be elusive. ...

Finding neutral on an A4 can be elusive.

Take the cable off the shift lever at transmission then shift by hand using the trany shift lever to see if you can find neutral. If you can find neutral...
Forum: Troubleshooting 05-29-2019, 07:55 PM
Replies: 4
Views: 420
Posted By JOHN COOKSON
33 Do you have an electronic ignition module or...

33
Do you have an electronic ignition module or points inside your distributor?
Your symptoms are a classic case of a heat damaged coil that is on it's way to total failure.
After the next...
Showing results 1 to 25 of 500

 
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