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Old 01-13-2012, 03:43 PM   #1
viola-tor OP
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Replacing clutch shaft sealing ring??

I'm leaking from this spot, after a maverick rock took out my clutch slave. I'm all up and running again, and I could live with this small leak, but if I can fix it from OUTSIDE the engine case (and on the bike) I figure I might as well.

It's the #3 in this pic from the manual, part # 600.29.043.010
Any tips for getting that off and on again while the bike is assembled? Can it be done from the outside?

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Old 01-13-2012, 11:55 PM   #2
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Easy fix. You can only replace this from outside the engine. Do a search on 'clutch pushrod seal'. You pull the quick access cover over the clutch, pull the springs and the cover, pull out the shaft, then replace the seal.

It is difficult to align this seal and get it into the bore. There is a special tool, but it doesn't help. I'd suggest getting several seals, they are cheap.
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Old 01-14-2012, 02:30 AM   #3
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If you need to remove the push rod

You have to remove the slave cylinder on the other side of the bike and remove a pin that holds the pushrod in place.
Zuber, did not understand the "aligning of the seal and get it into the bore" part. Could you explain please?
Cheers.
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Old 01-14-2012, 04:08 AM   #4
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No real need even to take out the shaft. get a pvc pipe that fits over the shiftshaft to push the seal in place.
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Old 01-14-2012, 06:54 AM   #5
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You all seem to be talking about different seals!
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Old 01-14-2012, 07:18 PM   #6
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The bore that holds this seal has a lip on the left side. If you push the seal straight in it will catch on this lip and ruin the seal. It exists on the 950 engine, might not exist on the 990's. You can't see it in the picture.

You have to angle the seal in on the left side until it clears this lip, then straighten it and push home. Get a few seals to practice on.
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Old 01-15-2012, 01:49 AM   #7
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Quote:
Originally Posted by Zuber View Post
The bore that holds this seal has a lip on the left side. If you push the seal straight in it will catch on this lip and ruin the seal. It exists on the 950 engine, might not exist on the 990's. You can't see it in the picture.

You have to angle the seal in on the left side until it clears this lip, then straighten it and push home. Get a few seals to practice on.

Ahh, okay, I'll check it out. Thanks for the heads up! This is why I love this place.

Tips on removing the old one? I have an assortment of metal hook tools and such...
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Old 01-15-2012, 08:50 AM   #8
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Old 01-15-2012, 08:52 AM   #9
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Excellent. Can do!
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Old 01-16-2012, 04:59 AM   #10
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Fat wood screw works for me, just dont go too deep!
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Old 01-30-2012, 02:05 AM   #11
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Well, I got it out and replaced, but I marred the mating surface on the case with the hooks. That metal outer ring on the seal is a biatch!

I slathered the new one with black sealant and installed, but I've still got the leak (or perhaps a new leak, actually). How do I fix this? JB Weld and file it down? I have two more seals on hand... Surely there is a clever way around this.
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Old 01-31-2012, 12:07 PM   #12
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Well, I got it out and replaced, but I marred the mating surface on the case with the hooks. That metal outer ring on the seal is a biatch!

I slathered the new one with black sealant and installed, but I've still got the leak (or perhaps a new leak, actually). How do I fix this? JB Weld and file it down? I have two more seals on hand... Surely there is a clever way around this.
Anyone? What's the mechanic's fix? This has to happen around the shop from time to time.
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Old 01-31-2012, 01:15 PM   #13
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May be some locktite gasket maker around the seal?

I usually drill 2 small holes into the the metal part of the seal, then screw couple of woodscrews in and pull the seal off. I didn't do it on 950, but did on 640 and 450
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Old 01-31-2012, 01:21 PM   #14
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May be some locktite gasket maker around the seal?

I usually drill 2 small holes into the the metal part of the seal, then screw couple of woodscrews in and pull the seal off. I didn't do it on 950, but did on 640 and 450

That's a good tip for next time! Hadn't thought of that, sounds like a great way to remove a seal. I'm not sure how well it would work for this one, the center rubber bits seemed to rip out easily while the outer metal ring was more stubborn... But I'll def try if I end up doing this again soon (likely).

My new problem is that I've damaged the mating surface with my hook tools, so I'm leaking around the outside of seal. FIX???
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Old 01-31-2012, 01:39 PM   #15
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Originally Posted by viola-tor View Post
My new problem is that I've damaged the mating surface with my hook tools, so I'm leaking around the outside of seal. FIX???
try locktite , may be 518 gasket eliminator? Apply it to the case before gasket installation? Check locktite website for correct application. Also I just used loctite to repair wheel hub on 450, ID got so big that wheel bearing was loose. It worked.

Your earlier jb weld suggestions is not a bad idea, just clean up hole after it sets with the right size reamer(by hand).
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