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Search: Posts Made By: Dave Neptune
Forum: General Interest 09-25-2022, 11:06 AM
Replies: 3
Views: 151
Posted By Dave Neptune
How many RPM's are you talking about? If the prop...

How many RPM's are you talking about? If the prop is fouled and the engine is at idle speed it would die once the throttle was advanced as there would be little flow to carry fuel to the cylinders...
Forum: Drive Train / Propellers 09-21-2022, 06:59 PM
Replies: 2
Views: 164
Posted By Dave Neptune
First welcome to the MMI forum. Yes to...

First welcome to the MMI forum.

Yes to draining the oil.

Yes it can be done in the water by being prepared and getting everything loose when ready to slide the shaft.

Once you have cleaned...
Forum: Troubleshooting 09-20-2022, 01:29 PM
Replies: 11
Views: 439
Posted By Dave Neptune
Good seals

The info you are getting is good and I would like to mention one more thing.

Unless the "hose fittings" are good and snug AND the "seal" on the strainer usually an "O-ring" is properly sealed it...
Forum: Drive Train / Propellers 08-30-2022, 12:31 PM
Replies: 6
Views: 494
Posted By Dave Neptune
Lightbulb My trans popping out of gear!!!!!

When I bought my boat it would slip out of gear when more that half throttle was applied:eek:. My problem was that the trans forward adjusting ring was set to tight and would not go into the...
Forum: Introductions 08-19-2022, 02:18 PM
Replies: 6
Views: 685
Posted By Dave Neptune
The first did the idle speed change on it's own...

The first did the idle speed change on it's own or have you been working on the carb. If not check to see if the cable housing is secure at both ends. You can disconnect the cable from the carb and...
Forum: Troubleshooting 08-16-2022, 06:22 PM
Replies: 13
Views: 877
Posted By Dave Neptune
Your "test" indicates the sender is shorted and...

Your "test" indicates the sender is shorted and will require replacement. The sender is shorted internally.

Dave Neptune :cool:
Forum: Troubleshooting 08-09-2022, 10:59 AM
Replies: 4
Views: 599
Posted By Dave Neptune
To hear a ticking noise with an electric fuel...

To hear a ticking noise with an electric fuel pump is normal, the pump works by an on/off switch which operates a diaphragm to pump and a steel ball to work as a check valve. These type of pumps when...
Forum: Electrical 08-09-2022, 08:59 AM
Replies: 6
Views: 865
Posted By Dave Neptune
I rewired my E-35MkII a bit different than...

I rewired my E-35MkII a bit different than original. My goal was to shorten the runs where ever possible. The engine was in the middle of the boat, the "panel" and power switch was in the galley, the...
Forum: Troubleshooting 08-07-2022, 09:57 AM
Replies: 13
Views: 877
Posted By Dave Neptune
The oil pressure adjustment should not be...

The oil pressure adjustment should not be affected by an overheating episode. Most likely is the sender shot craps or there is a short where the lead wires insulation may of melted against the block...
Forum: Troubleshooting 08-06-2022, 02:03 PM
Replies: 3
Views: 502
Posted By Dave Neptune
If the engine turns the rings are probably OK....

If the engine turns the rings are probably OK. The valves can be accessed once the cover plate is removed and it is easier with the manifold removed.

Dave Neptune :cool:
Forum: General Interest 08-06-2022, 12:27 PM
Replies: 4
Views: 434
Posted By Dave Neptune
First welcome to the MMI Forum. The plate...

First welcome to the MMI Forum.

The plate under the manifold is the cover for the valve train. First check to see if there is a lock washer on the bolt, if so replace with a washer or a "star...
Forum: Fuel System 08-04-2022, 06:42 PM
Replies: 9
Views: 699
Posted By Dave Neptune
Sunnnseeker, you say you "cleaned" the filters...

Sunnnseeker, you say you "cleaned" the filters twice on your trip. First did it help? Cleaning a fuel filter by "backwashing" is a poor temporary patch at best. Before going to the carb "replace" the...
Forum: Troubleshooting 08-03-2022, 09:15 AM
Replies: 13
Views: 1,164
Posted By Dave Neptune
What Shawn said plus this. Once you have the pump...

What Shawn said plus this. Once you have the pump working fire up the engine and let it warmup and while running look for water leaks around the head and manifold. If you find no leaks there and she...
Forum: Electrical 07-31-2022, 02:26 PM
Replies: 25
Views: 2,378
Posted By Dave Neptune
Curious

Why 3 "shunts" and what are they to measure?

I could turn any A-4 I worked on using the alternator cooling fan and squeezing the fan belt at the same time. At least you will know if the engine is...
Forum: Troubleshooting 07-27-2022, 10:28 AM
Replies: 9
Views: 568
Posted By Dave Neptune
A few drops of oil. You may still have a piece of...

A few drops of oil. You may still have a piece of felt under the rotor, if so it's purpose is to lube the advance AND the counter shaft that the rotor rotates on. The oil runs down and deposits on...
Forum: Electrical 07-27-2022, 09:27 AM
Replies: 25
Views: 2,378
Posted By Dave Neptune
Time to check the starter. Take the power...

Time to check the starter. Take the power directly from a battery to the starter via jumper cables, then from the positive connection to the solenoid start terminal to engage the starter. Then you...
Forum: Troubleshooting 07-27-2022, 09:11 AM
Replies: 9
Views: 568
Posted By Dave Neptune
First thing do not add any MMO to the gas yet as...

First thing do not add any MMO to the gas yet as it will make it worse.
Check to see that the choke is working properly in both directions so you know it is open when running.
Check the C-advance...
Forum: General Interest 07-25-2022, 08:18 AM
Replies: 5
Views: 928
Posted By Dave Neptune
First welcome to the MMI Forum. Looks like a...

First welcome to the MMI Forum.

Looks like a sender possibly. Is the narrow end an electrical plug or a slip fitting?

The oil pressure sender is usually mounted on the flywheel end. It could...
Forum: Electrical 07-23-2022, 09:57 PM
Replies: 25
Views: 2,378
Posted By Dave Neptune
With 2 lines you should be fine. Did you "unplug"...

With 2 lines you should be fine. Did you "unplug" the trailer type plug on the engine harness? They are notorious for lots of trouble. Could easily be a poor connection or switch too.

Dave Neptune...
Forum: Electrical 07-23-2022, 07:20 PM
Replies: 25
Views: 2,378
Posted By Dave Neptune
Do you have a nice big fat ground strap on the...

Do you have a nice big fat ground strap on the motor to the batteries negative side?

Dave Neptune :cool:
Forum: Ignition System 07-23-2022, 01:24 PM
Replies: 20
Views: 2,850
Posted By Dave Neptune
The black wire to "block" ground, red wire to...

The black wire to "block" ground, red wire to coil + side and yellow to - coil side FYI.

Dave Neptune :cool:
Forum: Cooling System 07-19-2022, 03:28 PM
Replies: 1
Views: 346
Posted By Dave Neptune
Adding the water won't hurt anything and may help...

Adding the water won't hurt anything and may help depending on location to the waterline of the boat. Also a bit of Vaseline, grease or water pump lube on the impeller itself. Saves any rubbing until...
Forum: General Maintenance 07-19-2022, 03:23 PM
Replies: 7
Views: 794
Posted By Dave Neptune
Thumbs up The stuffing box should leak. Leaking at 1 drop...

The stuffing box should leak. Leaking at 1 drop every 20 seconds is about right for "flax" packing. It should leak less when not running and leak it should. You can go to synthetic packing and drip...
Forum: Exhaust System 07-19-2022, 08:36 AM
Replies: 3
Views: 411
Posted By Dave Neptune
Exclamation Paul, not sure if you are trying to reduce an 1...

Paul, not sure if you are trying to reduce an 1 5/8 on to an 1 1/2 or stretch an 1 1/2 on to an 1 5/8 however your right that it's not a good idea. You want the integrity of anything that can leak...
Forum: Troubleshooting 07-18-2022, 04:39 PM
Replies: 13
Views: 927
Posted By Dave Neptune
The loose plate will really kill water flow under...

The loose plate will really kill water flow under any kind of pressure as it sucks in air. The plate needs to be "flat" and the "0" ring must be seated. If any air is getting sucked in anywhere the...
Showing results 1 to 25 of 500

 
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