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good source for 582 cranks

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akflyer

Joined: 07 May 2007
Posts: 574
Location: Soldotna AK

Posted: Sun Aug 26, 2007 1:40 pm Post subject: good source for 582 cranks

http://www.tmracing.ca/listing.php?itemID=7906



I got my new 582 crank from these guys.  fast shipping and ya cant beat the deal.  500.00 for a new in the box mod 99 crank.   He had a shelf full of them when I called as he had purchased a large quantity from Rotax.  It ened up being cheaper to just pay the core and not send my old crank back as shipping would have cost more than the return..  I am not sure the mark up on parts for the aircraft dealers, but rotax snowmachine dealers get one heck of a mark up.. they ATLEAST double the money on parts sales.



Just a heads up to anyone who is getting close to a crank replacment..

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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....

Guy Buchanan

Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA

Posted: Mon Aug 27, 2007 7:56 am Post subject: good source for 582 cranks

At 02:40 PM 8/26/2007, you wrote:

 	  Quote: 	
		  Just a heads up to anyone who is getting close to a crank replacment..


	


Thanks for the info, Leonard. Do you do your own 582 rebuilds?

Guy Buchanan

San Diego, CA

K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.

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Guy Buchanan
Deceased K-IV 1200
A glider pilot too.

akflyer

Joined: 07 May 2007
Posts: 574
Location: Soldotna AK

Posted: Mon Aug 27, 2007 9:32 am Post subject: Re: good source for 582 cranks

yes.  Have been re-building two strokes since I was 12.  It really is not rocket science.  You get the rotax repair manual, and go through it step by step.  It gives you all the tolerances to check and all the steps.  Just remember... when doing the work cleanliness is next to godliness... Some people are not comfortable doing the work, some are.  If you are mechanically inclined, it is not an issue.  There are DVDs, book and manuals to get you through it all.

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Guy Buchanan

Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA

Posted: Mon Aug 27, 2007 10:47 am Post subject: good source for 582 cranks

At 10:32 AM 8/27/2007, you wrote:

 	  Quote: 	
		  Some people are not comfortable doing the work, some are.  If you 

are mechanically inclined, it is not an issue.


	


I did a lot of rebuilding when I was younger, but never invested in 

the proper measurement tools. I wouldn't mind buying those. I balk a 

little at buying all the Rotax special tools. ($300+ for a wrist pin 

puller!?!) Did you buy them? Or are you able to work around that necessity?

Guy Buchanan

San Diego, CA

K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.

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_________________
Guy Buchanan
Deceased K-IV 1200
A glider pilot too.

akflyer

Joined: 07 May 2007
Posts: 574
Location: Soldotna AK

Posted: Mon Aug 27, 2007 1:22 pm Post subject: Re: good source for 582 cranks

the only tool I has to have special is the one to pull the gear off the end of the crank for a B box... I was not gonna shell out 168.00 so I had the machine shop at work make one for me... lokks better than the rotax one and didnt cost a dime..



Dont need a wrist pin puller.  I did get the plastic insert to hold the needle bearings.  I had another wristpin from a snogo engine that was the same OD so I used that to pop the wristpin out.  I have collected all the ID and OD measuring tools, calipers, etc, over the years so I did not have any tooling expense other than the plastic insert for the bearings (3.85 if I remember right).  I do not remember exactly the out of roundness in the cylinders, but a few passes with the precision hone cleaned them up.  I bet if you have a cycle shop near by they have a precision hone and you could get them to hit your cylinders for you if you dont want to buy one.  I dont remember the exact spec, but do remember that my engine, with 228.6 hrs on it was right in the middle or the new / maximum limits.  I would say at next rebuild I will have to put new jugs on, or have these re-built.  The biggest thing is the ring gap on the cylinders.  Make sure that is OK and you are good to go.  Dont try and run it is the ring gap is to large.  this can cause all kinds of issues not just bad compression and a power loss.  It also makes it easier to catch the ring on the exhaust port... not good. it goes down hill real quick from there.



One of the local guys made a few tools such as the water pump seal insert tool.  I think it was a 3/4" or 1" conduit coupling that he turned the threads out of for a perfect fit and a nice cheap tool.  I did borrow that from him.



If you are not going to change the whole crank (which is stupid for this price not to) and are gonna try a crank job yourself, then you will need the special tools to pull the bearings, then press the crank apart etc.  I had ordered all the parts seals, bearings, conrods etc, to do mine cause I was not gonna pay 1300 for a new crank... then  found this guy. so I sent all the parts back (which more than paid for the crank) and didnt have to mess with it other than checking the runout on it.  It was within rotax specs, but not 100% either, so a bit of time on the V blocks and a persuader, got it running as close to 100% true as is humanly possible...



What gear box do you have?  If it is a B box, I can send you the tool, as I dont need it anymore now with the C box.

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Guy Buchanan

Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA

Posted: Mon Aug 27, 2007 2:24 pm Post subject: good source for 582 cranks

At 02:22 PM 8/27/2007, you wrote:

 	  Quote: 	
		  What gear box do you have?  If it is a B box, I can send you the 

tool, as I dont need it anymore now with the C box.


	


Nope. I'm running a C box, but thank's for the offer. And thank you 

very much for the comprehensive information. You make it sound so 

easy that maybe I won't buy the 912 after all.

Guy Buchanan

San Diego, CA

K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.

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_________________
Guy Buchanan
Deceased K-IV 1200
A glider pilot too.

akflyer

Joined: 07 May 2007
Posts: 574
Location: Soldotna AK

Posted: Mon Aug 27, 2007 2:30 pm Post subject: Re: good source for 582 cranks

dont let me stop you from getting the 912.. the fuel burn and extra ponies are hard to argue...I would not mind a few more ponies in the nose when playing on floats...

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