Blown 200 Optimax 2006

[brodieb]

I bought this boat in June and after waiting for the hull to be repaired have only put a couple of hours on it.
The compressor exploded running around 4800 rpms. Couldn't find a new one so they put a used one on after running a compression check where all cylinders were around 115 psi. They cleaned the shrapnel out of the air lines? I took the boat out and was running fine for about 10 minutes and started losing power and running sluggish. Shut it down and trolled back to the ramp. Went straight back and they ran it on muffs. There was a distinct chirping sound that they couldn't figure out where it was coming from. Checked the idler, changed out the alternator as the pulley was warped. Sprayed some lubricant and it started running quiet. They thought the used compressor was not good so I found a new one at C&O Marine that I went and picked up. They did a water test the next day and it didn't have any power. Back to the shop and #6 has no compression. They pulled the head and said it was running lean, piece of the piston ring broke and scored the cylinder. Sorry that I didn't ask for the.pictures, I was a quite dumbfounded on what happened.
The mechanic said there was no way that debris from the exploded compressor could have possibly caused it to happen I'm not looking to place blame but I am am curious. I need to make a decision on whether to have it rebuilt or re-power it with a new motor.

1B263252
2906 200L Optimax

Sorry for the long post. Boat is a 2006 Champion 188 Elite

Thanks,
Brent

[smoken86]

Debris from the compressor probably messed up the injector. Seems to be a common issue if the rails and everything are not cleaned correctly.

[brodieb]

That's what I was thinking but they told me it wasn't possible

[smoken86]

Well you can search for yourself plenty of people on here have had it happen. Im not sure why they would say it's not possible, the air injectors get the air from the compressor so seems pretty likely to me.

[1ranger487vs]

Liability probably. Just guessing

[lpugh]

DOnt walk, run from that fast tech as you can.

[brodieb]

Now I need to make a decision on which way to proceed. Getting this motor repaired, getting a new power head and finding someone competent around my area to do it or biting the bullet on a new 4 stroke. I called Duck River and their re-builder has left them to go out on his own. They said they still send people his way, I have no idea on how that would go. Nichols Marine is under 4 hours away and they seem to have good reviews. I am most worried about the air and fuel injectors after the compressor exploded. The motor had 556 hours most under 2000 rpms. Any idea on what the cost would be? This block would need to be sleeved.

Thanks for all the information
Brent

[SilverFox579]

DOnt walk, run from that fast tech as you can.

+100!

When the compressor exploded shrapnel went in the rails and injectors. Failing to have them properly cleaned and calibrated afterward basically ensures a repeat performance. I strongly advise you contact board sponsor European Marine to have rails & injectors properly cleaned before obtaining another compressor. Personally, if you plan to keep this engine, I would only use a new compressor or a used one that's been verified by a reputable mechanic, I'd check with Don @ European Marine.

[brodieb]

It is #6 cylinder that is torn up. He said it ran lean. The compressor is brand new. I am wondering what to do next and where to take it to a reputable shop

Thanks

[JOE54]

decisions decisions we all have to make check around for sure

[brodieb]

Back up.and running. Bought a Vesselview.Mobile. it synced up and imported the motor info but I ran it for 4 hours.today and the hours didn't update. It also.doesn't show temperature. I am not sure if there are sensors I can add or what needs to be done.

Thanks for any help

[billnorman1]

What kind of money TOTAL did the last experience cost you out of pocket, and what is a Vesselview.Mobile ?

[brodieb]

He ended up sleeving 2 cylinders and replacing 2 air injectors, under $5000. So far I am very happy. He has a shop at his home in New Tazewell TN. Moved up from South Florida. He treated me fairly
PM me if you want his number, I made some calls before I decided to go with him.

Vessel view mobile hooks to the motor and sends information to your phone via bluetooth

[EuropeanAM]

It is #6 cylinder that is torn up. He said it ran lean. The compressor is brand new. I am wondering what to do next and where to take it to a reputable shop

Thanks

It would be very helpful to see a few pictures (here) of the cylinder head, the cylinder (piston DOWN in the bore), and the crown of the piston.

110% agree that the hoses, rails, and direct/air injectors MUST all be cleaned and validated with a compressor failure. As crazy as it sounds, Mercury doesn't give recommendations in technical literature to "clean" these items. This is primarily due to the fact that they are in the business of manufacturing and selling engines and parts (ie: Dirty or questionable: Replace it with new).

While I personally could accommodate the rails/injectors through our Integrity Injection service, I would still recommend a good look at images described above FIRST. Be happy to offer a factory-trained opinion on them.

[brodieb]

Thanks Don, I was so disgusted after the mechanic showed them to me I just hooked up and went home. He ended up sleeving 2 cylinders and replacing 2 air injectors. I have been breaking the motor in, ran fine today on plane around 3200 rooms for 20 minutes and then shut down. Code popped up for low oil sensor. Got the onboard tank filled back up and now it is showing oil sensor over full. It gets on plane and shuts down after a couple of minutes. He is suggesting that it is the pulse pump. The motor was .running fine prior to the compressor exploding. On my list this winter are new fuel lines and bulb from the tank to motor.

[lpugh]

See post # 6
They may have some responsibility for the blown motor as it should not have been run until the injectors were cleaned & flowed.
Suspect the compressor failure caused the Di to fail or maybe a cold seize from stuck open stats.
Recommend the complete fuel rails be sent to Don for proper cleaning,
I would be very concerned about having a repeat failure..

[EuropeanAM]

There's no "oil sensor over full" fault... though there is an oil LEVEL fault. Those faults will enact engine GUARDIAN, which will limit your available power (quite possibly progressively, the longer you run the engine with the fault).

PCM perceives that it's using up what oil remains in the engine mounted tank...

[brodieb]

Motor.still.wasn't running right. He tore it down yesterday and found the #6 sleeve he replaced had a crack. Is that a common issue on new parts? At least he is standing behind his work.

[lpugh]

sleeve cracked or the block bore that contains it. Would like to see a pic of that crack, sleeves just do not crack normally. If the block cracked around the sleeve, not repairable, needs to be replaced. Do not attempt a weld repair....

Out here that repair you had done would have ran well over 9 grand, I have reservations about jobs of that type done at such a low cost. 5 grand raises all kinds of alarm bells!

[JOE54]

^^^^^^+1 exactly dressed powerhead from MERCURY or i DONT DO UM