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Old 20-12-2010, 15:21   #1
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Small Diesel

I currently have a defect Isuzu Hydraulic in board? to big to complicated
any suggestions on a smaller inboard I have an Islander 44
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Old 20-12-2010, 15:59   #2
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??????????????????

Do not understand your point

Please clarify
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Old 20-12-2010, 16:13   #3
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I have major issues with my current motor and it is very dated Isuzu,
I am considering getting a smaller inboard to replace it.
Any suggestions?
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Old 20-12-2010, 16:22   #4
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why would you get a smaller motor other than price. a 44 should have at least a 50 hp to fight head sea/wind and get you out of a jamb. if you can still get parts wouldn't it be cheaper to keep that one going?
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Old 20-12-2010, 16:54   #5
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It would be useful to know a little more about this "defect Isuzu Hydraulic".
Generally speaking, the Isuzu engine is a very simple engine compared to other engines specifically designed for marine work.
The Islander 44 - not many were built, they were originally fitted with a 72 HP engine with a V drive to save space.
Of course a smaller engine can be fitted - but smaller than what ? unless some detail is provided regarding the existing "defect Isuzu Hydraulic", very hard to assist.
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Old 20-12-2010, 17:02   #6
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The injectors have been bleed, all filters have been changed, a second tank has been installed to bypass the old tank that is set in the keel and may have been the source of the original fuel contamination, which has lead to possible frozen valve, the motor turns but wont fire, WD has been sprayed into the air intake and still no action?
Now it is believed to be a compression issue,
the motor is 62 and is so tight fitted it is only an 1/2 inch to get the cover off to inspect the valves?
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Old 20-12-2010, 17:16   #7
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There is a multitude of things that need to be checked before you condemn the engine.

Troubleshooting Marine Diesel by Compton is a good start.

What kind of fuel contamination did you have?

If it was water, and you managed (by overcranking) to get it into the fuel injection system....you have some serious issues.

A history of the issue will assist in getting an answer for you


or pay a mechanic.....kind of like an engine survey.
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Old 20-12-2010, 17:29   #8
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And if water got in the cylinders don't let it sit too long.
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Old 20-12-2010, 17:53   #9
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that is the problem, in Hawaii mechanics are really hard to find, some just want to practice on your motor, but time is an issues as stated salt and motor dont mix well but thanks for the tips to all
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Old 20-12-2010, 17:59   #10
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When I worked for a Tugboat Maintenance and Repair Company here in Baltimore......The first question we asked of the Engineroom Crew (alleged QMEDs) was.

What were you doing before the engine stopped/blewup/wouldn't start.
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Old 20-12-2010, 18:18   #11
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If it's not too late, you can pull the injectors and squirt some clean diesel fuel in the cylinders then crank it over slowly by hand (if it will) a couple times. Then let it soak while cleaning out other parts of the motor.

After a couple days you can put rags over the injector holes and crank it using the starter for a few seconds. Then you can do a compression test.

Is this similar to your motor? http://www.mlengine.com/pdf/4le1tadj.pdf
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Old 21-12-2010, 06:36   #12
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mechanics in Hawii

Hello ziptie-ductape. I suggest that you contact PCE. Their contact info in Hawaii is 99-1221 Halawa Valley Street, Aiea, HI 96701-3281
Phone: (808) 486-6600

They have helped others in the past and they tend to employ good people.
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