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Forum: Fuel System 01-17-2019, 09:45 AM
Replies: 12
Views: 674
Posted By capnward
The idle mixture screw should be oiled enough to...

The idle mixture screw should be oiled enough to turn by hand. If you can't move it with a screwdriver, it is in dire need of lubrication. Regular removal, disassembly and cleaning of the carburetor...
Forum: Fuel System 12-17-2018, 12:12 AM
Replies: 19
Views: 935
Posted By capnward
I too, am a fan of pressurizing the fuel system...

I too, am a fan of pressurizing the fuel system before cranking, but I use the bail on the mechanical pump. Thus avoiding the outboard-style bulb, which, I understand from reading this forum, the CG...
Forum: Polls 12-14-2018, 11:10 PM
Replies: 15
Views: 581
Posted By capnward
I almost voted 'don't know,' and I'm far away...

I almost voted 'don't know,' and I'm far away from the boat until spring, but my best recollection is the needle was a little to the right of vertical, which is 16 or 17. In gear at 1800 rpm it reads...
Forum: Fuel System 12-14-2018, 09:51 AM
Replies: 8
Views: 401
Posted By capnward
I had that problem, and it was a piece of crud in...

I had that problem, and it was a piece of crud in the idle jet. I removed the jet and held it up to the light. I could see the obstruction. Cleaned it out with a thin wire from a wire brush. Now I...
Forum: Fuel System 12-14-2018, 09:37 AM
Replies: 19
Views: 935
Posted By capnward
The sediment bowl seems to be unnecessary; every...

The sediment bowl seems to be unnecessary; every time I have opened it up, which is hardly ever, there is nothing in it. I usually leave it alone, it doesn't leak. I replace the inline filter...
Forum: Fuel System 12-12-2018, 09:21 AM
Replies: 27
Views: 970
Posted By capnward
That's absolutely right. If you want to get the...

That's absolutely right. If you want to get the fumes out of the bilge, opening up the hatches and motoring around is not the remedy. However I believe ventilation of any kind around the engine...
Forum: Polls 12-11-2018, 03:36 AM
Replies: 28
Views: 5,993
Posted By capnward
I don't have the Moyer kit, but I have installed...

I don't have the Moyer kit, but I have installed a temperature alarm. It has kept me out of trouble on several occasions. Someday I'll get around to the oil pressure alarm.
Forum: Fuel System 12-11-2018, 03:13 AM
Replies: 27
Views: 970
Posted By capnward
Be attuned to the smell of gas, your nose is as...

Be attuned to the smell of gas, your nose is as good as any fume detector, use it often. You should not be able to smell gas, if you do there is liquid gasoline somewhere outside the air intake to...
Forum: Fuel System 12-11-2018, 01:12 AM
Replies: 19
Views: 935
Posted By capnward
Matt, I'm glad you saw my post. The mechanical...

Matt,
I'm glad you saw my post. The mechanical pump used to be a big mystery to me, too. Now I am an advocate for them. I think people assume electric ones are an upgrade, and they are easier to...
Forum: Announcements 12-05-2018, 12:26 PM
Replies: 6
Views: 375
Posted By capnward
A4s rock!

Wow! Such an honor! This means a lot, coming from you guys. Thank you Bill and Don, and fellow Afourians. I'm just another guy struggling to learn his engine. The help I have received on this forum...
Forum: Introductions 12-03-2018, 11:47 AM
Replies: 5
Views: 576
Posted By capnward
Larry, welcome to the Atomic Four world. Yes,...

Larry, welcome to the Atomic Four world. Yes, definitely get a tachometer. There is a reason why it is often the largest gauge on the boat. I can't imagine not having one, and not knowing the RPM. ...
Forum: Fuel System 11-11-2018, 10:22 AM
Replies: 6
Views: 569
Posted By capnward
My guess is that you have water in your tank, and...

My guess is that you have water in your tank, and your water separator filter, if you have one, got so full of water that it just sent it downstream. That is why those filters have drains in the...
Forum: General Interest 11-03-2018, 09:38 AM
Replies: 18
Views: 724
Posted By capnward
Most sailboats have a spare block and rope. If...

Most sailboats have a spare block and rope. If you attach the block to the battery and use twice as much rope, your load will be cut in half pulling it up from the ground to the deck.
Forum: Troubleshooting 11-01-2018, 01:05 PM
Replies: 9
Views: 397
Posted By capnward
Yikes!

Your report of an open screw hole on the bottom of the carb woke me right up. Joe is correct. Sounds like you need a scavenger tube fitting in that hole. Otherwise you'll be leaking gas into the...
Forum: Fuel System 10-29-2018, 12:59 PM
Replies: 13
Views: 598
Posted By capnward
I see from the excellent photo that the cable is...

I see from the excellent photo that the cable is being pinched because the clamp is holding it at an angle, instead of on the perpendicular. If you rotated the bracket that connects with two screws...
Forum: Fuel System 10-29-2018, 11:49 AM
Replies: 6
Views: 814
Posted By capnward
If you rebuilt the fuel pump, I found this old...

If you rebuilt the fuel pump, I found this old jpg file showing how the pump can be reassembled incorrectly. Maybe this happened to you. Note the 'incorrect' orientation of the bar connecting the...
Forum: General Maintenance 10-27-2018, 01:29 PM
Replies: 11
Views: 1,193
Posted By capnward
I changed to an Indigo from a 12x5 two-blade. It...

I changed to an Indigo from a 12x5 two-blade. It is in an aperture with much more clearance than your photos. I get better thrust in reverse. After a haul- out, I get 6 knots at 1900 rpm, with vacuum...
Forum: Fuel System 10-21-2018, 05:40 PM
Replies: 19
Views: 935
Posted By capnward
The bail on my pump is usually mostly loose and...

The bail on my pump is usually mostly loose and flopping around, except I get resistance at the outboard or port side of its motion. The 'up' side, as you describe it. The bail pumps more or less gas...
Forum: General Interest 10-11-2018, 02:16 AM
Replies: 28
Views: 976
Posted By capnward
A4s rock!

After a few days not running, engine turned off with gas in carb, with a cold engine, (but not very cold in the summer), choke out, throttle at half, fuel pressurized by mechanical pump bail, 2...
Forum: Troubleshooting 09-25-2018, 04:03 PM
Replies: 25
Views: 1,381
Posted By capnward
marvelous

I use 2 oz. MMO for 5 gallons of fuel. That is what Marvel recommends. That is a ratio of 320:1, which is less than 1/3rd the maximum Dave mentioned. I have a pint bottle of MMO, which has marks on...
Forum: General Interest 09-22-2018, 03:33 PM
Replies: 14
Views: 981
Posted By capnward
Diagnose, but go ahead and grasp the straws anyway.

Definitely, check for spark to begin with, but I suspect your problem is fuel related. That to me is the usual problem. The engine ran fine for 30 minutes, then hesitated and shut down, which to me...
Forum: General Interest 09-19-2018, 03:33 PM
Replies: 3
Views: 390
Posted By capnward
John has answered your question, but I want to...

John has answered your question, but I want to report my experience. I had a serious overheating episode a few years back. Compression was still good afterward, but the paint on the head largely...
Forum: Fuel System 08-26-2018, 09:28 AM
Replies: 8
Views: 661
Posted By capnward
bale away!

As Ken will probably tell you, just prime the fuel line up to the float valve using the bale. The bale will go loose at that point because the line is pressurized. A fuel pressure gauge is helpful...
Forum: Fuel System 08-19-2018, 11:12 AM
Replies: 5
Views: 560
Posted By capnward
Cleaning the seat is the usual fix. The question...

Cleaning the seat is the usual fix. The question remains, why did the needle stick? I think if you use MMO in your gas, this is less likely to happen. I also think ethanol softens the rubber, but I...
Forum: Overhaul 08-19-2018, 10:14 AM
Replies: 8
Views: 835
Posted By capnward
In April, I used Rustoleum 249340 High Heat...

In April, I used Rustoleum 249340 High Heat Primer gray , with Rust-Oleum 241232 High Heat Ultra Enamel Aged Copper Spray over that. It seems to be holding up very well.
Showing results 1 to 25 of 183

 
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