Re: [OMC-Boats] slow starting?.. (sv), Vol 70, Issue 1

Originally they had a dual diaphragm fuel pump with a small glass jar coming out the side. If gas ever shows up in the jar it means the diaphragm is leaking and fuel pump needs replaced. Not sure if those old fuel pumps are still available or not but the dual diaphragm was a safety feature required by the USCG to prevent fuel from leaking in the boat which results in a potential fire hazard.

One more thing to check. After the engine has been running for awhile check the voltage going into the distributor. Those old wiring harnesses had a problem with the insulation cracking and coming off. If the wires get wet they have a tendency to build up internal corrosion. This will increase internal resistance resulting in voltage drop to the distributor. If needed run a new wire from ignition switch to distributor power wire. Good luck.

Sent from my iPhone

On Jun 11, 2014, at 4:18 AM, "Wayne Johnson" <wayne@...> wrote:

> A quick test to determine if it is an ignition problem or fuel problem is to manually squirt a little fuel directly into the carborator, and try and start it. If it starts then quits right away, it's not an ignition problem, it's a fuel problem. You said it would not start back up after sitting for 5 minutes. It sounds like the fuel is draining out of the fuel line and back into the gas tank. Check for a week fuel pump, or damaged check valve (in the pump) that keeps fuel from draiining back to tank. I'm not sure what type fuel pump it uses so that's the most I can tell you.
>
> ----- Original Message ----- From: <omc-boats-request@...>
> To: <omc-boats@...>
> Sent: Monday, June 09, 2014 11:00 AM
> Subject: OMC-Boats Digest, Vol 70, Issue 1
>
>
>> Send OMC-Boats mailing list submissions to
>> omc-boats@...
>>
>> To subscribe or unsubscribe via the World Wide Web, visit
>> http://lists.ultimate.com/mailman/listinfo/omc-boats
>> or, via email, send a message with subject or body 'help' to
>> omc-boats-request@...
>>
>> You can reach the person managing the list at
>> omc-boats-owner@...
>>
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of OMC-Boats digest..."
>>
>>
>> Today's Topics:
>>
>> 1. slow starting?.. (sv)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Sun, 8 Jun 2014 12:18:22 -0700
>> From: sv <svsv8002@...>
>> To: omc-boats@...
>> Subject: [OMC-Boats] slow starting?..
>> Message-ID: <0CB02C72-4ADF-45A7-90DC-E8C099FC58C7@...>
>> Content-Type: text/plain; charset=windows-1252
>>
>> Hi,
>>
>>
>> I have a '64 Johnson Deluxe with the Buick odd-fire 155 engine. HEI conversion. It did this a little last year, and actually had to be towed a couple times because of it. Runs great when started. But it's taking forever to start. Here's what it does?..
>>
>> - I put the red lever almost all the way down.
>>
>> - turn key, it cranks and cranks. Let off key, repeat.
>>
>> - finally after several cranks, it starts catching a little. so when I hear that I have to just keep cranking with the key on, it sounds like it's going to start but I have to leave the key cranking for it to finally hold. I know, not great for the starter.
>>
>> - Then when I feel I can finally let off on the key, it SLOWLY climbs up to fast idle where it should be given the position of the red lever. But it takes literally almost a full minute to slowly climb up to normal.
>>
>> - After that point, I back the red lever down and it idles away and runs just fine. But if I stop the engine for more than about 5 minutes, I have to go through the whole procedure again.
>>
>>
>> It never used to do this. Just for grins I changed the plugs and the fuel/water separator filter. No big difference.
>>
>> Any ideas??
>>
>>
>> Thanks!
>>
>>
>> ------------------------------
>>
>> _______________________________________________
>> OMC-Boats mailing list
>> OMC-Boats@...
>> http://lists.ultimate.com/mailman/listinfo/omc-boats
>>
>>
>> End of OMC-Boats Digest, Vol 70, Issue 1
>> ****************************************
>>
>>
>>
>> -----
>> No virus found in this message.
>> Checked by AVG - www.avg.com
>> Version: 2014.0.4592 / Virus Database: 3955/7650 - Release Date: 06/09/14
>
> _______________________________________________
> OMC-Boats mailing list
> OMC-Boats@...
> http://lists.ultimate.com/mailman/listinfo/omc-boats
Received on Wednesday, 11 June 2014