replacement of clutch pushrod seal - MVAgusta.net
 
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post #1 of 6 (permalink) Old 05-26-2010, 05:49 PM Thread Starter
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replacement of clutch pushrod seal

Hi all, my beast has developed a very minor oil leak & the MV mechanic who inspected it suggested that the clutch pushrod seal needed to be replaced.

The dealer that I bought the bike off is prepared to do the work, but really have zero specialised knowledge about MV's (Honda dealer).

My question is (being completely illiterate when it comes to knowledge on repairs); is this a job that any wrench monkey can perform, or does it require any level of specialised knowledge or tools?

No offence to wrench monkey's intended.

Cheers

MS4RS
910R
CB600F


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post #2 of 6 (permalink) Old 05-26-2010, 09:29 PM
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Talking leaky beast.....!

Dan;
after looking at this in ALL the manuals and asking around.....

make sure that's where the leak is.....pull the sprocket cover, degrease the area, and spray foot powder on the area!
go for a ride, pull the cover and see where it's leaking...

if its the seal, rotate the clutch push rod right and left and withdraw it.
now with a hooked tool pull the seal, degrease the case, coat the outer edge of the seal LIGHTLY with RTV silicone gasket sealant and install the seal flush with the case.....reinstall the push rod and sprocket cover .......have a beer

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post #3 of 6 (permalink) Old 05-27-2010, 06:57 AM Thread Starter
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Hi Noel,

Thanks for the info above. Just to be clear, I have absolutely no intention of doing the work myself. The bike is still under warranty from the dealer that I bought it through. I just wanted to know whether this job could be done by any mechanic that knew bikes, not necessarialy MV's.

I think you've answered that above as a '"yes". Cheers.

MS4RS
910R
CB600F


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post #4 of 6 (permalink) Old 05-27-2010, 05:18 PM
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I had a leak from the clutch push rod seal after playing around fitting the slipper clutch. Following a chat with Chris at X-bikes I took the clutch master cylinder off to find that the seal had "popped" out. I fitted it back in correctly, cleaned the pushrod where some burnt oil deposit had built up and refitted everything in the correct order.

MV do not sell the seal on its own, but as part of the clutch master cylinder kit at around GB£80 plus VAT . The seal itself cost less than GB£3.00 including VAT. The seal reference is 8-22-7/7.5. I found that most bearings factors will carry the 8-22-7 but have trouble getting the full 8-22-7/7.5. I have a 8-22-7 in reserve and am told that it will work, time will tell.

In answer to your question easy part to replace. Remove gear lever (to get access to bottom sprocket cover bolt) remove sprocket cover, remove clutch master cylinder from sprocket cover, pop out the push rod from master cylinder, use circlip pliers to carefully remove seal (note which way round it fits), replace with new one, and mounting back is reverse order. The pushrod has some grooves or spirals at one end, that end goes into the clutch basket side of the engine.

I just did over 1000kms in last 5 days to the Le Mans MotoGP and back with no new leak.

Hope this helps.

MV Agusta Brutale 910R (07)
Buell XB12X (06)
Honda NC24 (87)
KTM SM 690 Prestige (07) - Sold

Last edited by La Case; 05-28-2010 at 04:47 AM. Reason: typo
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post #5 of 6 (permalink) Old 05-27-2010, 07:11 PM
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Well done. Nice write up.
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post #6 of 6 (permalink) Old 05-28-2010, 03:45 AM Thread Starter
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Thanks again for your advice - greatly appreciated. This really is what a community like mvagusta.net is about.

MS4RS
910R
CB600F


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