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Search: Posts Made By: Dave Neptune
Forum: Troubleshooting Yesterday, 03:21 PM
Replies: 21
Views: 284
Posted By Dave Neptune
Mike, the rotor sits on top of the c-adv shaft....

Mike, the rotor sits on top of the c-adv shaft. Just put the rotor on and give a twist, it should rotate just over 15* and spring back smoothly. If not some lubrication/cleaning may be in store for...
Forum: Troubleshooting Yesterday, 10:44 AM
Replies: 21
Views: 284
Posted By Dave Neptune
Exclamation Mike, both the idle screw and the adj main jet...

Mike, both the idle screw and the adj main jet start at about 1 1/2 turns off of the seat is where to start.

The idle screw adjust air so out is lean and in is rich!

The adj main jet is out for...
Forum: Troubleshooting 07-05-2020, 10:06 PM
Replies: 21
Views: 284
Posted By Dave Neptune
The screw you are adjusting is for the "idle air"...

The screw you are adjusting is for the "idle air" so open is lean and closed is rich.

Were you careful with the float setting?

Dave Neptune :cool:
Forum: Troubleshooting 07-05-2020, 10:12 AM
Replies: 4
Views: 83
Posted By Dave Neptune
Time for a trans adjustment. It's simple to do...

Time for a trans adjustment. It's simple to do but be careful not to loose or screw up the adjusting nut holding screw-pin. The clutches are slipping.

Dave Neptune :cool:
Forum: Troubleshooting 07-05-2020, 10:09 AM
Replies: 10
Views: 133
Posted By Dave Neptune
That looks to be a 3 "OPSS" switch. That's Oil...

That looks to be a 3 "OPSS" switch. That's Oil Pressure Safety Switch to cut off the fuel pump if the oil pressure is to low.

Dave Neptune :cool:
Forum: Troubleshooting 07-04-2020, 09:45 AM
Replies: 21
Views: 284
Posted By Dave Neptune
The coil can be fine and throw a good spark when...

The coil can be fine and throw a good spark when doing a coil check. If there is a good spark from the coil it does not mean that the igniter will trigger for a spark to be sent through the...
Forum: Troubleshooting 07-03-2020, 10:29 PM
Replies: 21
Views: 284
Posted By Dave Neptune
Replace the cap & rotor as a set always. You will...

Replace the cap & rotor as a set always. You will need to check for spark. Then look for why there is no spark in the wiring, voltages and such. Only after confirming the spark from the coil and...
Forum: Troubleshooting 06-29-2020, 06:36 PM
Replies: 4
Views: 128
Posted By Dave Neptune
Lightbulb Julia, first welcome to the MMI Afourian Forum. ...

Julia, first welcome to the MMI Afourian Forum.

Stalling at idle can be a few things and the sooty plugs do narrow down the issue.

First a couple of questions, first how long since a...
Forum: Troubleshooting 06-23-2020, 07:05 PM
Replies: 12
Views: 304
Posted By Dave Neptune
Lightbulb Jeff, I had a Morse unit like that. The two...

Jeff, I had a Morse unit like that. The two levers were on separate shafts, a shaft and a counter shaft. Don't remember many details but there was no stack of washers. I think something either broke...
Forum: Ignition System 06-23-2020, 10:48 AM
Replies: 23
Views: 782
Posted By Dave Neptune
I have been a mechanic most of my life and ALMOST...

I have been a mechanic most of my life and ALMOST EVERY engine I "timed" while doing an R&R of the distributor I have seldom ever found the distributor
pointing" where the factory setting was.
...
Forum: Cooling System 06-21-2020, 02:09 PM
Replies: 12
Views: 326
Posted By Dave Neptune
Greg, ouch! Looks like a "freeze damage" crack. I...

Greg, ouch! Looks like a "freeze damage" crack. I know of no fix for that spot.

Dave Neptune :cool:
Forum: Cooling System 06-21-2020, 09:25 AM
Replies: 21
Views: 451
Posted By Dave Neptune
I was motoring across the Catalina Channel one...

I was motoring across the Catalina Channel one winters day with my dog. About half way across the engine temp began to spike, :eek: no water! I spent the next hour or so trying to get the offending...
Forum: Cooling System 06-19-2020, 08:06 PM
Replies: 12
Views: 326
Posted By Dave Neptune
Greg, looks like it may be the "aft" blick drain....

Greg, looks like it may be the "aft" blick drain. If it failed it would squirt onto the drive pulley.

Dave Neptune :cool:
Forum: Exhaust System 06-18-2020, 09:12 AM
Replies: 3
Views: 148
Posted By Dave Neptune
Offcourse, welcome to the MMI Afourian forum. ...

Offcourse, welcome to the MMI Afourian forum.

The need for an anti-siphon is dependent as to where the waterline is in relation to the exhaust height "at all angles of heel". Where is yours in...
Forum: Reversing Gear 06-15-2020, 02:25 PM
Replies: 8
Views: 249
Posted By Dave Neptune
Al, very nice. Dave Neptune :cool:

Al, very nice.

Dave Neptune :cool:
Forum: Reversing Gear 06-15-2020, 09:33 AM
Replies: 8
Views: 249
Posted By Dave Neptune
Forward can be locked in so you can cruise but...

Forward can be locked in so you can cruise but reverse is you holding the shifting handle to keep the band tight enough to drive the prop!

No pressure on the handle means little or no reverse.
...
Forum: Cooling System 06-14-2020, 01:51 PM
Replies: 6
Views: 261
Posted By Dave Neptune
Greg, there are freeze plugs of many sizes and...

Greg, there are freeze plugs of many sizes and some are in graduations of 1/64" so be careful.

Ken would get you the right one for sure. If someone knows the exact size or it is indeed an 1 1/4"...
Forum: Ignition System 06-14-2020, 12:05 PM
Replies: 23
Views: 782
Posted By Dave Neptune
Are you holding the coil or the cap end close to...

Are you holding the coil or the cap end close to the block. Should be the cap end with the coil end still in place.

Dave Neptune :cool:
Forum: General Maintenance 06-13-2020, 08:28 PM
Replies: 16
Views: 525
Posted By Dave Neptune
SeaHarliquin, per your post on the other thread...

SeaHarliquin, per your post on the other thread regarding ignition, a poor ignition will cause a "partial" burn which can also lead to black plugs.

New plug wires are a good idea.

Dave Neptune...
Forum: General Maintenance 06-13-2020, 06:13 PM
Replies: 16
Views: 525
Posted By Dave Neptune
Exclamation Not bad

SeaHarliquin, the plugs look to be running rich which is probably in the carb. I say carb because if the "timing" is indeed to far advanced "some" of the black could be from oil. Usually if you have...
Forum: General Interest 06-13-2020, 10:18 AM
Replies: 10
Views: 348
Posted By Dave Neptune
Thumbs up Mo, fortunately I always had access to my shop...

Mo, fortunately I always had access to my shop with many machines and metal working equipment. The fortunately part was it was very easy to modify or fabricate a dedicated tool to a difficult task....
Forum: General Interest 06-11-2020, 05:44 PM
Replies: 10
Views: 348
Posted By Dave Neptune
Thumbs up Nicely done

Mo, nicely done. Not really that fast if you were going for time. And knowing what your doing, being prepared while working on one thing at a time. I'll bet very little "blood letting" and a beer or...
Forum: Fuel System 06-08-2020, 10:00 AM
Replies: 22
Views: 683
Posted By Dave Neptune
Part II

Oops, also take a look at the OPSS if so equipped or add one if not. A faulty OPSS switch could cause a zero reading and then kick back on. Again a coincidence.

Dave Neptune :cool:
Forum: Fuel System 06-08-2020, 09:53 AM
Replies: 22
Views: 683
Posted By Dave Neptune
SeaHarliquin, has to be a coincidence. The...

SeaHarliquin, has to be a coincidence. The pressure fluctuation has more to do with the "pumps" regulator. The pressure should stay steady and only fluctuate a tiny bit. If you are getting 4.5PSI you...
Forum: General Maintenance 06-08-2020, 09:43 AM
Replies: 16
Views: 525
Posted By Dave Neptune
Lightbulb SeaHarliquin, another point on the "blow-by"...

SeaHarliquin, another point on the "blow-by" situation. Quite often especially in older engines the "blow-by" is often from to much advance in the timing. Once you get it running again try backing...
Showing results 1 to 25 of 500

 
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