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FlyingTexan

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Posts: 35
Reply with quote  #1 
With the purchase of the boat that’s new to me there are twin etec 175s

Model E175DPXSUF/E175DCXSUF
S# 05175045/05193155

These engines had 350hrs on purchase. You have seen my prop question and I’m running down today to put the second new prop on and would do whatever other maintenance I can do in a days time. The engines start on first crank and seem to run smooth but are there basic MX items I should just go ahead and do now to save me in the long run?
jimh

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Posts: 6,382
Reply with quote  #2 
What are "basic MX items"?


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FlyingTexan

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Reply with quote  #3 
Quote:
Originally Posted by jimh
What are "basic MX items"?

MX = maintenance.
jimh

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Posts: 6,382
Reply with quote  #4 
The E-TEC owner's manual gives a regimen for periodic recommended maintenance. The intervals vary with the sort of use. Maintenance is based on three factors: overall age of the engine since its original manufacture; actual engine running hours; use in saltwater or freshwater.

If I bought a used E-TEC, the first thing I would do:

--get an Engine History Report from the EMM; you can do this in a few minutes IF you have the required gear (a suitable terminal running under Windows with a USB-to-serial adaptor, RS-232 to EMM cable, EV-Diagnostics Software) and skill at using them.

The Engine History Report will give you information on how the engine has been run, what speeds, for how long, what temperatures, and--most important--what FAULT CODES have been recorded, when they occurred last, and how many times they occurred. Analysis of the Engine History Report FAULT CODE data will guide you to past and current problems that should be remedied. 

On a general basis, you could:

--service the water pump, unless you have good evidence of water pump was serviced in the last three years or less than 300-hours ago; if the engine has only run in freshwater without silt and sand, the water pump time interval can often be stretched to be five-years or 300-hours. You can do this in an hour or two, if you know what you are doing, can handle removing the gear case from the midsection, and have the various tools and sealants needed. Read the installation procedure carefully and follow the instructions. I tend to let my authorized, certified, E-TEC technician do this because of the weight of the gear case and the complexity of removal, service, and reinstallation.

--change the engine canister fuel filter, unless you have good evidence it was changed recently. 

--change the spark plugs, unless you have good evidence they were changed already at 300-hours of run time. Read the procedure in the service manual regarding indexing the plugs. Use only the specified plugs. Follow the spark plug index procedure.

--check the exhaust gas sensor; clean or replace as appropriate

--check the hidden fuel filter in the VST tank return-from-injector hose; if not like new, replace.


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EV-Diagnostic cables are back in stock.

FlyingTexan

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Posts: 35
Reply with quote  #5 
Thanks. I did order a cable/software. Not sure what all I'll be able to do with it just yet but I'd like to have that info on hand the trend monitor the engines moving forward. I think I'll just order two of the service kits here and get to work next week when I'm back with it. 
jimh

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Reply with quote  #6 
Quote:
Originally Posted by FlyingTexan
MX = maintenance.


Thanks. I was fraught with FOMO.

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