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kitfox555(at)sbcglobal.ne
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dave
Joined: 22 Sep 2006
Posts: 1382
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 Posted: Sat Apr 10, 2010 7:49 am Post subject: after market 582 parts |
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garbage.
[quote] ---
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akflyer
Joined: 07 May 2007
Posts: 574
Location: Soldotna AK
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| Posted: Sat Apr 10, 2010 8:01 am Post subject: Re: after market 582 parts |
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X 2 on the pistons being garbage. They are selling single ring SPI pistons and they are junk. Well the piston is OK but the rings are not. We had 2 different engines we put them in and I had an engine out due to collapsed rings and the other engine we caught on take off and aborted as it would not develop full RPM after only about 5 hrs run time. That engine was like a turbine as you could turn the prop with one finger and barely feel the compression as you spun it over.
That being said, I have used the after market Ebay gaskets in 4 engines and have not had any issues with the gaskets or seals!
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DO NOT ARCHIVE
Leonard Perry aka SNAKE
Soldotna AK
Avid "C" / Mk IV
582 (147 hrs and counting on the rebuild)
IVO IFA
Full Lotus 1450
#1 snake oil salesman since 1-22-2009
I would rather die trying to live, than to live trying not to die.... |
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napierm(at)cisco.com
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| Posted: Mon Apr 12, 2010 10:00 am Post subject: after market 582 parts |
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I'll 2nd that on the seals. I used them on my engine and they are fine.
But no need to pay what they want on ebay.
Gaskets: http://www.mfgsupply.com/m/c/711194.html
I didn't use the crankshaft end seals as the Rotax ones are higher
quality. Also you will still need a couple of parts around the water
pump if you have one of the gray heads with the older seals. Same for
gearbox gasket and seals. But that seal kit will still save you at
least $100.
Note that the sled pistons are single ring and shouldn't be used, but
the Seadoo 580 pistons will work (I ran them in my 582). The issue is
that they are 1/2 step larger than the 582. So the stock 580 pistons
are 5 thou larger than the 582. The 1st 582 oversize is 10 thou larger.
The 1st 580 oversize is 15 thou larger, and so on....
To use them you need a real hone. I bought a Sunnen hone on ebay and
then ordered the stones. I borrowed the bore indicators to get the
clearances right. A course ball hole is used to set the cross hatch
pattern.
After it was all done, between time spent and the money for parts and
tools I would have done just as well to send my cylinders to South
Mississippi and have them put in two new Rotax pistons and hone the
cylinders.
BTW, if anyone needs them I have some of o-rings that are used on the
mag-end starter for the 582/503. The price of these from Rotax is
shameful.
Mark Napier
------------------------------------------------------------------------
---
Time: 09:01:28 AM PST US
Subject: Re: after market 582 parts
From: "akflyer" <akflyer_2000(at)yahoo.com>
X 2 on the pistons being garbage. They are selling single ring SPI
pistons and
they are junk. Well the piston is OK but the rings are not. We had 2
different
engines we put them in and I had an engine out due to collapsed rings
and
the other engine we caught on take off and aborted as it would not
develop full
RPM after only about 5 hrs run time. That engine was like a turbine as
you
could turn the prop with one finger and barely feel the compression as
you spun
it over.
That being said, I have used the after market Ebay gaskets in 4 engines
and have
not had any issues with the gaskets or seals!
--------
DO NOT ARCHIVE
Leonard Perry aka SNAKE
Soldotna AK
Avid "C" / Mk IV
582 (147 hrs and counting on the rebuild)
IVO IFA
Full Lotus 1450
#1 snake oil salesman since 1-22-2009
I would rather die trying to live, than to live trying not to die....
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=293767#293767
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