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Old 08-03-2006, 11:34 AM   #1 (permalink)
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transmission main shaft seal

2002FXDWG

When changing the transmission main shaft seal, do I need to remove the inner bearing race using a puller or can I change the seal just by removing the drive pulley.

I’m asking because I’m ordering tools and if I have to pull the race I’ll need a puller.

Thanks

Last edited by Mr.Clean; 08-04-2006 at 08:15 AM.
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Old 08-04-2006, 07:51 AM   #2 (permalink)
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Geesh was my question so stupid it didn't deserve an answer?

Humor me please.
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Old 08-04-2006, 08:42 AM   #3 (permalink)
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Don't know from the top of my head, wil check with the service manual tonight an post ist
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Old 08-04-2006, 11:43 AM   #4 (permalink)
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I have the service manual. I just says to remove the pulley...kinda vague. I'm leaning toward the idea that the race stays put. Not that it's the end of the world or anything, I just wanted to order only the tools needed and order them once.
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Old 08-08-2006, 08:35 AM   #5 (permalink)
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Ordered a tool from Georges Garage. Lots cheaper than Jims even with Zanotti discount (Custom Chrome book).

$85.00 after shipping.
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Old 08-10-2006, 11:56 PM   #6 (permalink)
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yes you have to remove the inner race because that fifth gear mainshaft seal is behind the inner race

while your there replace the quad seal behind the silver spacer that goes into the larger transmission seal

I usually replace all the seals back there while I'm there, the 5th gear mainshaft, pawl shaft, inner primary, large transmission seal, and quad seal

it'd be a great time to change the belt too if needed, or sprocket...
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Old 08-21-2006, 07:51 AM   #7 (permalink)
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Thanks Meks.

Just as I feared. I really need 3 tools;

Special socket for 1-7/8" nut
Tool to hold sprocket while using special socket for 1-7/8" nut
Inner race puller

Oh boy.

Thanks again for your response.
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Old 08-21-2006, 08:49 AM   #8 (permalink)
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Like the man said, while you are in there replace all the seals. When you install a new inner seal race on the tranny shaft, make sure you measure the offset and replace it so the inner primary seal fits it correct. Lube the race when installing inner primary and be careful not to bugger up the new seal, slide the inner primary on the shaft into place, then pull it outward a 1/4 inch or so then push it back in place, this will let the seal seat as it should. You don't want to have to do it again because the seal didn't seat. Replace the drive belt, pulleys front and back if needed while you are in there. You can check and replace swing arm bushing while you are at it. Hope this helps...
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Old 08-22-2006, 08:18 AM   #9 (permalink)
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Thanks SMUT.

Turned out on this bike to be the shifter pawl seal. I looked at mine, a 2006 Ultra with 10k and it's leaking too. Seems like maybe the pawl shaft to bushing clearance is a little large.

I wonder how many HD's are leaking there? It was easy to see on mine from the top using a flashlight. The 02FXDWG had so much grease build up I had to clean it first then ride it to find the leak. It was leaking very badly.

Thanks for all the responses, I'm ready for a mainshaft seal replacement when the time comes.

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Old 08-30-2006, 02:01 PM   #10 (permalink)
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You will need a race bearing removal tool to take the race off the tranny main shaft. You can heat the new one and slip it into place if you don't have the tool to press it in place, remember to measure the inner primary seal clearance, make sure it lines up on the race...good luck
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Old 05-04-2009, 09:41 PM   #11 (permalink)
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Where is georges garage?
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Old 05-04-2009, 10:06 PM   #12 (permalink)
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Southern California North of La. He's a site sponsor and a great guy to deal with. Mail order, check the sponsor section for contact info.
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Old 05-05-2009, 11:33 AM   #13 (permalink)
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If you dont want to deal with that race anymore you can get rid of it completely and put the Baker Bearing in place of the bearing in the inner primary that rides on that race. When I did the main seal I got the baker bearing and I cut the old race off with a dremel. Never have to worry about it again or that race walking
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Old 06-21-2009, 01:14 AM   #14 (permalink)
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Quote:
Originally Posted by JOKERS IMPALA View Post
If you dont want to deal with that race anymore you can get rid of it completely and put the Baker Bearing in place of the bearing in the inner primary that rides on that race. When I did the main seal I got the baker bearing and I cut the old race off with a dremel. Never have to worry about it again or that race walking
good tip.


save your money! While the top is off the tranny, remove the shifter barrel so you can lock the tranny up with itself. The grief away!

Gabriel
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Old 06-21-2009, 01:20 AM   #15 (permalink)
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Quote:
Originally Posted by smut View Post
Like the man said, while you are in there replace all the seals. When you install a new inner seal race on the tranny shaft, make sure you measure the offset and replace it so the inner primary seal fits it correct. Lube the race when installing inner primary and be careful not to bugger up the new seal, slide the inner primary on the shaft into place, then pull it outward a 1/4 inch or so then push it back in place, this will let the seal seat as it should. You don't want to have to do it again because the seal didn't seat. Replace the drive belt, pulleys front and back if needed while you are in there. You can check and replace swing arm bushing while you are at it. Hope this helps...
This is probably why my inner primary seal is now leaking. I didn't know the "back and forth seal seating trick". Thanks Smut!
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