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Just bought a boat that hasn't been cranked in 4 years

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Just bought a boat that hasn't been cranked in 4 years

Old 05-26-2017, 07:29 AM
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Originally Posted by tunanut View Post
Do not do this. Do not crank the motor, it may start, but your problems will just be beginning. That old gas in the VST tank will get into your HP pump and mystery filters and then you'll be spending $4K to get it cleaned. Get that old fuel out of the motor and tank, change all the filters, then crank it with clean gas/seafoam combo. I've done this with several older HPDI's. Change the impeller and gearcase oil as well. Whatever you do, DO NOT CRANK IT while old gas is in the system. If you have to take it to a mechanic, ask to watch so you can learn how easy it really is to maintain your hpdi. They are powerful efficient motors, but clean fuel is a must, it can not be overstated with these motors.
Ugh!!!!!! I cranked the engine but as soon as it fired, I turned it right off. I didn't even give it a second to run. Did I screwnit up by turning it over without letting it run?
Old 05-26-2017, 07:37 AM
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Maybe, maybe not. The best advice in this thread is get it to a good Yamaha mechanic. Let him go through everything mentioned in this thread, and odds are, you will be good to go. And still be into the boat at a steal!!!!
Old 05-26-2017, 08:51 AM
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Originally Posted by BBQ BOY View Post
Ugh!!!!!! I cranked the engine but as soon as it fired, I turned it right off. I didn't even give it a second to run. Did I screwnit up by turning it over without letting it run?
it fired?

That's promising.
Old 05-26-2017, 08:52 AM
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Originally Posted by aquaholicnc View Post
I, like the original poster, came across a heck of a deal on a boat that had been sitting. I love a little project. The boat and motors in question are in my profile pics.
New vinyl, new upholstery, new electronics, new pumps etc and basically new engines (less than 300 hours) on a 17 year old boat.
It would have been tough for me to justify spending that much on those engines to get them running.
Old 05-26-2017, 10:53 AM
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Originally Posted by midcap View Post
it fired?

That's promising.
Yes. Easily too
Old 05-26-2017, 11:43 AM
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Originally Posted by BBQ BOY View Post
Yes. Easily too
you lucked out, the VST is working and the FICMs are good and the injectors aren't clogged.

You still should changed all the filters and It probably wouldn't hurt to get the injectors serviced.
Old 05-26-2017, 12:38 PM
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Took it to the mechanic and he wants to start at cleaning the tank out, which it's pretty much empty and clean the lines out. Then he wants to Chang ALL of the filters and impeller as well as look at possibly servicing the injectors. We will see where that puts us
Old 05-26-2017, 01:48 PM
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That's what I'd do although you probably won't need to service the injectors, he should be changing 12 fuel filters/screens plus the water separator if he's doing all of them.
I wouldn't neglect the oil system either, two more filters there
Old 05-26-2017, 02:52 PM
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You are going in the right direction. Just make sure you are with a real Yamaha pro. It is really important and can actually save you money in the long run. At $100 an hour you want someone to find the issues quickly and correctly. Chasing you tail around is expensive when you don't know what you are doing.

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