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Search: Posts Made By: Dave Neptune
Forum: Troubleshooting 10-16-2021, 10:37 PM
Replies: 27
Views: 733
Posted By Dave Neptune
The emulsion well is in the middle of the float...

The emulsion well is in the middle of the float bowl. The fuel from the main jet feeds fuel into it and air is fed into it via vacuum and metered by the main air (corrector) jet. The chamber has a...
Forum: Troubleshooting 10-15-2021, 10:28 AM
Replies: 27
Views: 733
Posted By Dave Neptune
Next time you check for spark do it via a plug...

Next time you check for spark do it via a plug wire to eliminate any issue with arching under the cap and a good spark path.

Do double check the wires for correct order twice! Maybe the rotor was...
Forum: Troubleshooting 10-10-2021, 10:46 AM
Replies: 46
Views: 1,021
Posted By Dave Neptune
Rick, when she revved up and was moving water was...

Rick, when she revved up and was moving water was there a difference in sound?
Sooty plugs can be caused by an over rich load situation or back pressure in the exhaust. First how old is the...
Forum: General Interest 10-09-2021, 11:09 AM
Replies: 3
Views: 205
Posted By Dave Neptune
I had a heck of a time selling my ole E35MKII a...

I had a heck of a time selling my ole E35MKII a few years back and needed to lower the price to "give away" status. To buy another boat we had 2 sell out from under us and got the 3rd all the same...
Forum: Troubleshooting 10-09-2021, 11:04 AM
Replies: 46
Views: 1,021
Posted By Dave Neptune
OK, now you have confirmed fuel delivery lets...

OK, now you have confirmed fuel delivery lets look to the ignition. I see that you stated the C-advance is smooth and lubricated ~ good.

Just for the sake of argument be sure the plug wires are in...
Forum: Troubleshooting 10-08-2021, 05:26 PM
Replies: 9
Views: 294
Posted By Dave Neptune
First try using the choke after 5 minutes then...

First try using the choke after 5 minutes then start throwing parts at it.

A good running A-4 SHOULD BE HARD TO STAR WHEN WARM as it is an "updraft carb" which almost always will need the choke....
Forum: Overhaul 10-05-2021, 01:01 PM
Replies: 4
Views: 335
Posted By Dave Neptune
Check the manifold via the "water inlet and exit...

Check the manifold via the "water inlet and exit port" on the top of the manifold.

Dave Neptune :cool:
Forum: Troubleshooting 10-05-2021, 11:14 AM
Replies: 3
Views: 276
Posted By Dave Neptune
David, sounds as if you are on the right path....

David, sounds as if you are on the right path. Give it a thorough tune-up. Lube the C-advance and replace the points, plugs, condenser, coil and wires.

It is a VERY good idea on these old motors...
Forum: Troubleshooting 10-05-2021, 10:25 AM
Replies: 46
Views: 1,021
Posted By Dave Neptune
You don't have enough torque for that much blade...

You don't have enough torque for that much blade area if it is a 3 or 4 blade. The reason the indigo rev's up is the blade area is matched to the torque of the A-4.

The 12 x 7's you here of on the...
Forum: General Interest 10-04-2021, 10:31 AM
Replies: 6
Views: 319
Posted By Dave Neptune
Thumbs up Shawn, looks like a keeper. However I must say in...

Shawn, looks like a keeper. However I must say in "my experience" I have found the A-4 to be extremely reliable when properly maintained. I bought my A-4 (when seized) and built my own EI from...
Forum: Troubleshooting 09-26-2021, 04:51 PM
Replies: 6
Views: 317
Posted By Dave Neptune
Take a good look at the broken area. I have seen...

Take a good look at the broken area. I have seen a few broken cranks on duty rated engines. Most often they are an existing crack that finally let go. Look for dissimilarities on the surface of the...
Forum: Fuel System 09-25-2021, 07:58 PM
Replies: 8
Views: 325
Posted By Dave Neptune
Those are the choke screws the throttle shaft has...

Those are the choke screws the throttle shaft has 2 more.

Dave Neptune :cool:
Forum: Fuel System 09-25-2021, 11:27 AM
Replies: 8
Views: 325
Posted By Dave Neptune
John, I don't see how the screw could work it's...

John, I don't see how the screw could work it's way to the throat. It could be just a broken screw that was in the arrester when installed. The piece would not experience enough velocity to move it...
Forum: Fuel System 09-25-2021, 10:19 AM
Replies: 8
Views: 325
Posted By Dave Neptune
The only screws I can think of that would be...

The only screws I can think of that would be "enclosed inside the carb throat and arrestor are the screws on the butterfly shaft. All else are external. Is it a brass screw or steel? Look down the...
Forum: Troubleshooting 09-24-2021, 10:07 PM
Replies: 6
Views: 289
Posted By Dave Neptune
If the cable control is good it should not stick....

If the cable control is good it should not stick. If the trans lever was itself stuck, what was stuck. First thing I'd do is pull the cover and take a look inside. Perhaps the collar locking screw or...
Forum: Good Guys 09-21-2021, 08:46 PM
Replies: 2
Views: 440
Posted By Dave Neptune
Most mechanics today will not touch an A-4 and...

Most mechanics today will not touch an A-4 and finding what you seek could be problematic. However getting things in place and ready is not a big deal just time consuming. Once your ready make an...
Forum: Troubleshooting 09-21-2021, 07:44 PM
Replies: 6
Views: 436
Posted By Dave Neptune
If the engine is raw water cooled do a pressure...

If the engine is raw water cooled do a pressure check for "block" integrity. Check the manifold first they rust through long before the block.

Your compression numbers look OK. Doubt a leak there....
Forum: Troubleshooting 09-16-2021, 11:07 AM
Replies: 4
Views: 340
Posted By Dave Neptune
Exclamation Caution

You have a couple of veins missing off the impeller and they can jam in a passage. However they are small and "usually" work there way to the "exit fitting" on the manifold. Once you get the pump...
Forum: General Interest 09-15-2021, 09:58 AM
Replies: 8
Views: 617
Posted By Dave Neptune
Thumbs up Sweet indeed

Hey Russ good to see your fine.

That's a really nice piece! With a few spur gears and a few shafts you'll have power winches for [I]Whiskey Jack[I]. Some polishing and a bit of TLC and she'll run...
Forum: General Interest 08-27-2021, 11:25 AM
Replies: 6
Views: 416
Posted By Dave Neptune
I have seen a few European members over the years...

I have seen a few European members over the years but don't remember their names. Perhaps one will chime in or another member may remember the name.

Perhaps Tom at Indigo may have some info as...
Forum: Troubleshooting 08-21-2021, 09:54 AM
Replies: 10
Views: 892
Posted By Dave Neptune
The floats should absolutely not rattle. They...

The floats should absolutely not rattle. They should be empty of any liquid and have no rattles. They could of had a solder job to fix a leak and some dripped inside. They need to be sealed.
...
Forum: General Interest 08-08-2021, 06:16 PM
Replies: 8
Views: 492
Posted By Dave Neptune
What Al said and check the fittings. IE give the...

What Al said and check the fittings. IE give the fuel lines a twist near the clamps and see if they twist.

Also run your finger under the carb and around the scavenge tube and fuel pump while...
Forum: Troubleshooting 08-07-2021, 04:26 PM
Replies: 24
Views: 1,507
Posted By Dave Neptune
Since you ran the water overboard "what is...

Since you ran the water overboard "what is cooling the rubber hose" so it does not melt? The hose needs to be cooled.

Dave Neptune :cool:
Forum: General Interest 08-05-2021, 11:38 AM
Replies: 6
Views: 485
Posted By Dave Neptune
No a fouled prop won't hurt the engine. All the...

No a fouled prop won't hurt the engine. All the fouling does is increase the load on the engine to attain the same speed and due to the inefficiency of the fouled prop and hull you will loose speed....
Forum: Electrical 08-04-2021, 08:17 PM
Replies: 69
Views: 3,421
Posted By Dave Neptune
Well if the brushes are contacting and the...

Well if the brushes are contacting and the windings are still good it is probably the regulator. There are far better regulators available today and adapting one to suit should not be to difficult.
...
Showing results 1 to 25 of 500

 
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