Advice taking care of oil lea - MVAgusta.net
 
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post #1 of 6 (permalink) Old 10-01-2017, 11:20 AM Thread Starter
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Advice taking care of oil lea

I have an oil leak from the gear box gasket. I believe I ordered the correct gaskets, any advice or pointers removing and installing components when replacing the gaskets. Red arrow is location of oil accumulation.




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post #2 of 6 (permalink) Old 10-01-2017, 06:43 PM
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Check it's not leaking through the seal on the shifter shaft. Other than that use some good sealant on the faces around the seals.

Cheers

Deano
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post #3 of 6 (permalink) Old 10-02-2017, 06:24 AM
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Chain lube???

Make sure it's not the sump pan.....pressure on the side stand loosens sump pan screws.

Clean everything up with brake clean, then spray a non-scented dry foot powder around the area (dries white), start the engine and spot the dark brown stain forming where the leak is actually coming from.

Take your time...that's my best advice.

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post #4 of 6 (permalink) Old 10-02-2017, 07:04 PM
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Had a similar leak on my 00 750 recently. It can be from a few areas. I replaced 8A0028855, 800089410, 8A0028855, 800086117.

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Originally Posted by Deano View Post
Check it's not leaking through the seal on the shifter shaft. Other than that use some good sealant on the faces around the seals.

Cheers

Deano

2000 F4 750
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post #5 of 6 (permalink) Old 10-02-2017, 09:03 PM
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Not saying its not your gearbox leaking but most times it seems to be the sump gasket. plenty of posts on here about it. I also had to replace my countershaft seal as I inherited two leaks when I bought my bike, 2007 Brutale 910S. The countershaft seal isn't a common problem admittedly. As has been suggested, before diving in, clean everything up and use talc if the source of the leak isn't obvious.
If it turns out to be the sump, as a suggestion, use a good quality oil resistant liquid gasket in lieu of the OEM gasket. I used a Toyota product and so far its held firm.
I've attached a picture of where the sump gasket leaks if it helps.
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post #6 of 6 (permalink) Old 10-02-2017, 09:11 PM Thread Starter
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Pretty sure it is the gasket from gear housing. Every few days oil accumulates here even when it is sitting on stand without being ridden. Collects at the bottom edge of the cover waiting to drip.
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Current:

2014 Aprilia RSV4 R
2007 MV Agusta F41000R

Previous:

2004 Suzuki Boulevard M50
2001 Ducati 748
1991 Suzuki GSXR 1100
1988 Kawasaki EX500
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