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Merc 575 Question...

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Old 03-30-2007, 01:53 PM
  #21
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Quote:
Originally Posted by marylandmark View Post
This is a good thing with motors just under 200 hours?

I am an eggbeater and am asking if that is normal; not questioning your boat bro...
What I meant to say was a stack of papers of all the service records.....such as oil changes etc,etc,etc since new. Sorry about that...
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Old 03-30-2007, 01:55 PM
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Originally Posted by Quaid24 View Post
I have a pair of 2002 575's and here's my advise (for whatever it is worth). I had a blower fail last year at 250 hours. I don't run my boat real hard, but I do lean on it. I bought the boat new and have changed the oil in the blowers annually. By the time I could hear the rotors colliding, it was too late. They were bent and I had to fork over $3500 to the blower shop for a rebuilt blower because no one makes rotors any more. Mine are Weiand. Now at 280 hours I just had a head gasket fail. I love the motors but highly recommend you rebuild your blower every 200 hours or less! The cost is $400 from the blower shop compared to $3500!
Good advice that I will be following......... I am looking for a spare right now to have so I can have them all rebuilt.....thanks Quiad.....
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Old 03-30-2007, 07:18 PM
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Originally Posted by JOHNNYD454 View Post
What I meant to say was a stack of papers of all the service records.....such as oil changes etc,etc,etc since new. Sorry about that...
Did it have any drive problems ?


On mine,
Lets just say the 575's neighbors, the XR's,
that live just behind them,
have had a couple more problems than
either of the engines have had.


On your question on sucking out the oil from
the blowers.

I suppose you could rig up something to do it.

The problem is, in the rear, it's not in the most user
friendly place to deal with.

The fill/ level plug is on the side.

The distributor is right behind it.

1. getting the oil in could be a mess.

2. Knowing if you got enough oil back in could
be a problem..since it's hard to even see the fill/ level plug.

Take off the belt, disconnect the fuel line,
throttle cable, breather vent hose,
unplug the IAT, TPS, and MAP sensors,
unbolt the supercharger from the intake,
andremove the supercharger.
Then you can dump the oil
out of it rather easy.
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Old 03-31-2007, 06:30 AM
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Thanks JaaayTeee........ removeing the Blower sounds like the best way then......I would rather be sure that I got it all out and get the right amount in.
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Old 03-31-2007, 09:39 AM
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I also had drive problems with my 575's. The XR's the were paired with my 2002 42 fountain gave me more trouble than the motors.
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Old 03-31-2007, 11:04 AM
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wow Johnny this is a Jump from a Boat like mine.
you keeping the Senza for a dingy LOL.
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Old 03-31-2007, 11:14 AM
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What's up Brian......congrats on the new born.... No the Senza is up for sale and the new Sonic is a wedding present to myself.........getting married April 28th........ I am joining the club
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Old 04-16-2007, 09:15 PM
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I have a pair of 575's, at 230 hours one of the blowers started to sound different thatn the other one. Sort of a howl instead of a wine like a health one should sound. Took it in for the pros to listen to and they were surte it was bearings. I believe the front was worse than the rear. They did both bearings , roters were fine.

Based on that I assume you can tell if the bearings are week by listening . Just goose the motor when in newtral with the pad up and if one sound more like a howl than a wine, get to the shop.

Mine are 2001 vintage
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Old 04-16-2007, 11:53 PM
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Quote:
Originally Posted by Stormrider View Post
nice to see her coming home so soon johnny.
my suggestion... buy a 2nd pair of blowers, so when/if these go, you're not outta commission too long. and always have 1 backup set.
agreed
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Old 04-17-2007, 09:03 AM
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JohnnyD - That boat was a friend of mine's. It was well taken care of and you got the deal of the century - He was just done with boating.
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