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Search took 0.00 seconds. Search: Posts Made By: mmwjr
Forum: Engines 06-17-2015, 11:22 AM
Replies: 68
Views: 11,587
Posted By mmwjr
Not surprised about poor compression with having...

Not surprised about poor compression with having had bad exhaust. Water gets into cylinders and burning water raises exhaust temps that can damage the valves and seats.

However lower compression...
Forum: Engines 06-02-2015, 11:27 AM
Replies: 68
Views: 11,587
Posted By mmwjr
When measuring the orange wire to ground is it...

When measuring the orange wire to ground is it still connected to the alternator? I am assuming it is and you are measuring continuity through the field winding in the alternator which would be...
Forum: Engines 06-01-2015, 08:51 PM
Replies: 68
Views: 11,587
Posted By mmwjr
How long are you cranking? When cranking a few...

How long are you cranking? When cranking a few 100 amps are being drawn so if cranking for some time will make the cable hot.

Not sure I followed what you are taking ohm reading between. Red...
Forum: Engines 05-30-2015, 01:18 AM
Replies: 68
Views: 11,587
Posted By mmwjr
Best of luck

Best of luck
Forum: Engines 05-29-2015, 08:46 PM
Replies: 68
Views: 11,587
Posted By mmwjr
Agree time for new exhaust. Compression...

Agree time for new exhaust.

Compression reading should be with-in 10% for all the cylinders.

Based on the numbers I think the valves and leaking on the low cylinders. It's up to you if you...
Forum: Engines 05-29-2015, 02:46 AM
Replies: 68
Views: 11,587
Posted By mmwjr
I would perform the compression test to determine...

I would perform the compression test to determine the health of the engine.

You said it ran fine on the last outing then had trouble starting, no overheating occurred on last outing?

If no I...
Forum: Engines 05-28-2015, 04:25 PM
Replies: 68
Views: 11,587
Posted By mmwjr
Well I cannot say I recommend making new friends...

Well I cannot say I recommend making new friends that way but glad you are here.
Forum: Engines 05-28-2015, 04:18 PM
Replies: 68
Views: 11,587
Posted By mmwjr
You may luck out if the compressions are good and...

You may luck out if the compressions are good and that will then mean bad exhaust system allowing water to get sucked back into the engine.

Water is not compressible and the cranking you have been...
Forum: Engines 05-28-2015, 04:13 PM
Replies: 68
Views: 11,587
Posted By mmwjr
Wait so the oil is milky? This is a bad sign that...

Wait so the oil is milky? This is a bad sign that water has gotten into it. This with the slow cranking means water is in at least one cylinder.

Pull the spark plugs to find out. Perform a...
Forum: Engines 05-28-2015, 03:01 AM
Replies: 68
Views: 11,587
Posted By mmwjr
Are the battery cable and starter cable...

Are the battery cable and starter cable connection corrosion free?

Slave solenoid connection corrosion free?

Check slave solenoid for voltage drop across the two large terminals when cranking,...
Forum: Engines 05-18-2015, 08:42 PM
Replies: 68
Views: 11,587
Posted By mmwjr
I would replace the entire starter. Taking a new...

I would replace the entire starter. Taking a new one apart to just use the motor will void any warrantee.

I still think the solenoid is part of the problem as well as the connections to it.
Forum: Engines 05-18-2015, 03:34 PM
Replies: 68
Views: 11,587
Posted By mmwjr
Depends on engine compartment layout, you did not...

Depends on engine compartment layout, you did not state what model boat you have. You may need to remove the starboard exhaust manifold to gain access.

I find it hard to believe they had to life...
Forum: Engines 05-18-2015, 03:19 AM
Replies: 68
Views: 11,587
Posted By mmwjr
So starter may have had water in contact with it....

So starter may have had water in contact with it.

Corrosion will cause a voltage drop which translates into low voltage at the starter and slow cranking.

Being a 2000 the fuel pump is electric...
Forum: Engines 05-17-2015, 10:06 PM
Replies: 68
Views: 11,587
Posted By mmwjr
Welcome aboard A few questions When did...

Welcome aboard

A few questions

When did it last run good?
Anything happen to it since then?
What year?
Carb of fuel injection?

So it cranks fine, correct?
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