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Technical Help Forum
Started by KTM Mike at 01-20-2009 6:00 PM. Topic has 21 replies.
  
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 01-20-2009, 6:00 PM
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KTM Mike
Joined on 08-10-2008
Michigan - USA
Posts 66
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Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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I came across this mechanical seal kit for the CX500 tonight:
http://www.crc2onlinecatalog.com/oil_seal_kits.htm#Mechanical
At $24.95 and $6.00 to ship sounds good. But anybody know if these are of good quality? Price wise how would this compare to the Yamaha seal I have read of on here?
2 78 CX500s "work in process"
A few modern KTM's, a 76 Penton, a Kaw. KDX and KZ750 in the garage keeping them company. Bikes of my past - WAY to many to list - my all time favorites - Kaw. Concours (I put 100,000 miles on one), and a Honda VFR750F.
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01-20-2009, 7:24 PM
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Abes_CW
 
Joined on 04-17-2007
saskatoon
Posts 3,036
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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I'm pretty sure the Yami kits I've gotten have been under $20 cdn. Are you planning an engine out or using Shep's in bike method?
1983 GL650i
Had 4 CX/GL's at one point this year, down to one, next spring is another adventure!
age 38 (29 plus tax)
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01-21-2009, 4:16 PM
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KTM Mike
Joined on 08-10-2008
Michigan - USA
Posts 66
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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 Abes_CW wrote: | | I'm pretty sure the Yami kits I've gotten have been under $20 cdn. Are you planning an engine out or using Shep's in bike method? |
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I've been trying to find more info on the Yami seals - but with the search function not working cant find much. I had the impression that they only fit "some" CX's due to a difference in diameter, or that the case had to be modified to use them?
My engine is out as I am doing a cam chain and tensioner - so planning on swapping the whole thing. I did email that CRC2online to ask for dimensions and more info - hope to learn more soon.
Mike
2 78 CX500s "work in process"
A few modern KTM's, a 76 Penton, a Kaw. KDX and KZ750 in the garage keeping them company. Bikes of my past - WAY to many to list - my all time favorites - Kaw. Concours (I put 100,000 miles on one), and a Honda VFR750F.
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01-21-2009, 5:18 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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01-21-2009, 6:01 PM
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jfarabee
Joined on 10-19-2008
Sarasota, FL
Posts 344
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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According to Rob's site, the Yamaha seal will not fit the few CXs that have the smaller (27.8 mm) seal. They will fit the larger (28.3 mm) seals just fine. If you are replacing the whole seal, be prepared to clean up the rear cover extremely well, take everything off, run it through the dishwasher, then put it in the oven for an hour or two. You cannot press fit the seal otherwise (that I know of, and it was tight enough even with the cover at 300 F)
'81 CX500 C
'86 CB700SC Nighthawk
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01-21-2009, 6:49 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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You can press fit the seal by using a large piece of threaded rod and washers. WisconsinCx built a special tool for it.
1978 Honda Cx500 Maggot
1979 Honda Cx500 Custom
1980 Cx500 Deluxe
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01-21-2009, 6:59 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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01-21-2009, 7:30 PM
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vleighty
Joined on 06-12-2008
Wayne, Nebraska USA
Posts 141
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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Yamaha seal from boats.net is $11.94.
http://www.boats.net/parts/detail/Y-11H-12438-10-00.aspx
Bootlegger
1978 CX503 (bored .50) my son's ride
1976 GL1000 daily driver
1986 GL1200 Aspencade
1976 GL1000 LTD in a basket
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01-22-2009, 1:44 PM
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KTM Mike
Joined on 08-10-2008
Michigan - USA
Posts 66
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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So - just to make sure I am understanding right - bottom line is, we are not going to be able to buy a 27.8mm Mechanical seal - be it OEM, Yamaha or other wise (unless I hear from CRC2onlinecatalog to the contrary).? If that is the case, that means I either do the reaming out of the bore for the seal - or just do the Shep method. If we do the Shep method - the yami seal will work in a smaller bore case?
If I am correct with all that - then I will simply order the Yami seal. If the Honda OEM seal was available in the smalelr size, then it might be worth going OEM. I dont know yet if we wil ream the case bore out, or just do it the Shep method
Edit - forgot to mention, appears my bore size is the smaller 27.8 (hard to get real accurate using the calipers I have - but it absolutely is not the 28.3 mm size)
2 78 CX500s "work in process"
A few modern KTM's, a 76 Penton, a Kaw. KDX and KZ750 in the garage keeping them company. Bikes of my past - WAY to many to list - my all time favorites - Kaw. Concours (I put 100,000 miles on one), and a Honda VFR750F.
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01-22-2009, 2:13 PM
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Abes_CW
Joined on 04-17-2007
saskatoon
Posts 3,036
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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Yes, I think you have it right. I don't think the smaller OEM is available from what I've read here.
1983 GL650i
Had 4 CX/GL's at one point this year, down to one, next spring is another adventure!
age 38 (29 plus tax)
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01-22-2009, 2:44 PM
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WisconsinCX
Joined on 07-07-2008
Germantown, WI
Posts 772
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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I've replaced them both ways....leaving the metal in the engine and just popping in a new seal is WAY EASIER!!
83 CB1100F Super Sport
No Twins at this time. :( Went through about 12 of them tho!
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01-22-2009, 3:10 PM
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Shep
Joined on 01-30-2007
UK.2x1980CX500A
Posts 7,647
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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01-22-2009, 4:39 PM
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KTM Mike
Joined on 08-10-2008
Michigan - USA
Posts 66
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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I'm thinking it's the Shep method then!
And the Yami seal - though I will still need the oil seal right? (I assume the yamaha part # is just the mechanical seal part only).
2 78 CX500s "work in process"
A few modern KTM's, a 76 Penton, a Kaw. KDX and KZ750 in the garage keeping them company. Bikes of my past - WAY to many to list - my all time favorites - Kaw. Concours (I put 100,000 miles on one), and a Honda VFR750F.
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01-22-2009, 6:48 PM
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fll1441
Joined on 11-06-2006
Fort Lauderdale, FL
Posts 976
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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You are correct Mike. The Yamaha part number is the mechanical seal only (no oil seal).
1982 CX500 Custom
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01-22-2009, 8:52 PM
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bpcorliss
Joined on 12-03-2007
Windsor, ON
Posts 123
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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To add my $0.02 (though since it is Canadian, it is only worth $0.016 US) I used the Cycle Recycle online catalog to get the new mechanical seal I used on my bike. In fact, I had to order a second on since I screwed up the original one when trying to remove the metal press-in part.
I did the "in bike" method where you take the guts out of the original seal in the bike leaving the press-in metal part. Then, with a dremel tool you CAREFULLY cut the metal "cup" off the new seal. Then, with some water jacket adhesive you glue the new one into the old metal cup.
On my first attempt, I knicked the phenoic part of the new seal making it completely useless.
My advice is to take your time and ssssslllllooooowwwwwlllllyyyy cut the metal "cup" off the new seal. Take your time, you have all the time in the world to do it right. It will take you much longer to fix it if you do it wrong. (I know this from experience).
CRC is a great place and they ship right away.
B.P. Corliss
Windsor, ON Canada
'82 Silverwing Interstate
Bought in December 2007 with 2987.9 miles (yes, you saw that right, less than 3000 miles)
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01-23-2009, 3:09 AM
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Shep
Joined on 01-30-2007
UK.2x1980CX500A
Posts 7,647
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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You don't have to cut the metal part off the mech seal.If you play the heat from a cigarette lighter underneath it it will soften the silicone based sealant used and you can then prise the inner out with your fingers/thumbs and the same Blue Hylomar type gasket sealant can be used to seal the new one in.You just have to be careful not to burn your fingers :)
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01-23-2009, 8:56 AM
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Abes_CW
Joined on 04-17-2007
saskatoon
Posts 3,036
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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First one I did with a lighter, after trying to boil it out to no avail, and it came out fairly quick.
Second one, I used a propane torch on low, it was a matter of seconds, I heard a sizzle, and the guts easily popped out.
1983 GL650i
Had 4 CX/GL's at one point this year, down to one, next spring is another adventure!
age 38 (29 plus tax)
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01-24-2009, 7:34 AM
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DavidfromWisconsin
Joined on 03-19-2008
Appleton, WI
Posts 2,458
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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A butane grill lighter has a lower temperature flame that shouldn't damage anything ... and some of them run almost like a mini blow torch.
David From Wisconsin ... R80Dave
'82 GL500I alias Candy
'82 GL500I alias Candy II
'00 BMW K1200LT & trailer
'81 KZ440 (Wife's learning bike)
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01-24-2009, 8:24 AM
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Abes_CW
Joined on 04-17-2007
saskatoon
Posts 3,036
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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Yep, that's a good idea. The torch was easy to use because i could light it and leave it on the bench, hands free. I held the seal in some pliers, and I modulated the heat by distance from the flame, and had another free hand to pull the seal out.
1983 GL650i
Had 4 CX/GL's at one point this year, down to one, next spring is another adventure!
age 38 (29 plus tax)
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01-24-2009, 9:06 AM
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Daniel45mpg
Joined on 05-18-2008
Murrieta, CA.
Posts 276
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Re: Anybody use the Mech Seal kit from CRC2onlinecatalog.com?
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Shep method is the only way I'll ever do this work. trust me.
1980 CX500C Local Ride
1980 CX500D Travel Ride
1980 CX500C parts/ project
Renew, Reuse, Recycle.
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