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Old 04-28-2013, 09:23 AM
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musicmd musicmd is offline
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MCX 350 De-Winterizing help

I bought a 2004 X-10 with 350hp MCX engine last Fall and had it winterized by my local dealer. Yesterday, I pulled it out of its winter resting place and am ready to get out on the water within the next month or so.

I called my dealer to see what needed to be done to "de-winterize" the boat and my salesman described it as a "reconnection of various things, then running the engine to make sure it doesn't overheat." He stated he could do it for $90-100 or I could do it because "it's pretty simple."

He left a bag with three parts attached to the steering wheel (see photo.)

I am fairly handy and expect that I could figure this out with some problem-solving, however, I'm hoping someone on the list will see these three parts and be able to direct me in where to look, what to do, etc.

The hose clamp is pretty straight-forward, I expect. I'll just look for a loose hose and then reattach it to a logical location. Likewise for the brass plug - - - it's location (I'm hoping) should be obvious. I'm curious about the third part however and want to make sure I get things reconnected correctly.

So far, I've just glanced quickly at the engine. I saw a hose with standard "garden hose" types of connectors underneath the engine on the starboard side. I'm assuming I simply reconnect that hose. Then, as I said above, I thought I would find a place for those three parts.

I'm hoping someone could give me a quick step-by-step on this, as it would save me a few minutes of head-scratching. Thanks in advance.
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Old 04-28-2013, 09:29 AM
Meeker Meeker is offline
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The round odd-shaped plug is a knock sensor/block drain plug. It goes on the port side of the engine, about the middle of the engine (front to back aspect) and on the lower part of the engine above the oil pan. You will also see a one wire connector that need to be plugged into the top of the sensor. The other plug goes on the starboard engine side, same location. Not sure exactly where the hose clamp came from.
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Old 04-28-2013, 09:33 AM
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Kevin@MWMC Kevin@MWMC is offline
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Quote:
Originally Posted by Meeker View Post
The round odd-shaped plug is a knock sensor/block drain plug. It goes on the port side of the engine, about the middle of the engine (front to back aspect) and on the lower part of the engine above the oil pan. You will also see a one wire connector that need to be plugged into the top of the sensor. The other plug goes on the starboard engine side, same location. Not sure exactly where the hose clamp came from.
^Exactly what he said^


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Old 04-28-2013, 09:36 AM
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Thanks for the help. That will make it much quicker for me.

Also, with the garden hose connections on the starboard side - - - I'm assuming that I should reconnect those? Does anyone have experience with that?

I am assuming the garden hose connection is to help drain water from the cooling system, but realize I may be wrong about that.

Thanks, again.
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Old 04-28-2013, 09:37 AM
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bturner2 bturner2 is offline
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Hope you didn't pay much for the winterization if that's all he did.

You'll want to see if he did any of the suggested maintenance when he did this work which I doubt. With a new to you boat the first thing I would change would be the impeller. Going though the engine checking hose clamps, belts and obstructions in the transmission cooler would be the next items on my list. Finish that off with greasing the fittings on the steering cable, shift cable and transmission linkage should get you in pretty good shape.
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Old 04-28-2013, 09:37 AM
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MattsCraft MattsCraft is offline
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The 2 bolts are your engine block drain plugs, the one with the large black piece is for the knock sensor. Trying to remember your engine/year, I think it goes on the port side, there should be a wire and plug that connects to the black piece. The other plug goes on the opposite side of the block.

The clamp is most likely off of the J hose, should be on the Starboard side, rear of the engine.

Yes, be sure to re-connect the garden hose, these are the exhaust drains. If not, you can sink the boat pretty darn quick. You should also replace the raw water impeller if it was not done last fall.
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Old 04-28-2013, 09:54 AM
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Excellent. This is exactly what I was hoping for. Thanks for the help.

@bturner2 - - - the dealer did quite a bit more with the winterization last Fall. I have very solid confidence in my local MC dealer, which is a relief. I just wanted to do things myself if possible. These replies make it a lot easier.

Will also check if the impeller was changed out last Fall. If not, I'll add that to the list.
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Old 04-28-2013, 05:09 PM
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Kevin@MWMC Kevin@MWMC is offline
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Quote:
Originally Posted by musicmd View Post
Excellent. This is exactly what I was hoping for. Thanks for the help.

@bturner2 - - - the dealer did quite a bit more with the winterization last Fall. I have very solid confidence in my local MC dealer, which is a relief. I just wanted to do things myself if possible. These replies make it a lot easier.

Will also check if the impeller was changed out last Fall. If not, I'll add that to the list.
The guys at Redline are a good group, very respectable dealership.


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Old 04-28-2013, 05:43 PM
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musicmd musicmd is offline
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Agreed. They have been great so far. I think we're lucky to have a great dealer in the area.
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Old 04-28-2013, 06:06 PM
HDAVIS HDAVIS is offline
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Caution! When you install the knock sensor, be careful not over tighten it. I hear if you apply too much pressure it will break.
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