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Old 07-27-2012, 09:31 AM   #1
England-Kev OP
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Oil Blow out from bevel drive

I took the ST out today on a coffee run, to blow the cobwebs out, but as I stood drinking my coffee I noticed a lot of oil over the back tyre and wheel So it seems I have a leak, and I am not sure where from, I am hoping it is the brake cam shaft again, ( although I only changed the o-rings last year) so I am going to replace the shaft o-rings, and run it to see if it leaks again. something has let go though, as my rear tyre got covered, I will post pictures in a while
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Old 07-27-2012, 09:58 AM   #2
England-Kev OP
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So after getting it all cleaned up, and dropping by my local shop for some free o-rings, rubber grease, and borrowing some of their brake cleaner, I put it all back together with fresh oil in the drive unit.
It was then I found the cause of the problem, the filler breather on top of the beval drive had corroded up inside, blocking the breather holes, so the bevel drive had got too hot and blew the oil out past the brake cam shaft o-rings.
So I now have a new breather on order, and a spare set of o-rings.

Well Who'd have thunk it?

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Old 07-27-2012, 02:45 PM   #3
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A teachable moment for us all - thanks for the post, Kev!
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Old 07-27-2012, 03:21 PM   #4
moosehead
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And there's one more bloody thing to check...the FD breather vent....and on and on and.....it goes

The "to do" list adds another item

Good post and pix Kev....thanks
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Old 07-27-2012, 04:19 PM   #5
Wirespokes
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Quote:
Originally Posted by moosehead View Post
And there's one more bloody thing to check...
That's how it is with an older vehicle. The thing should be paid off by now, so the payments are now in the form of maintenance and upkeep.

Thanks Kev!
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Old 07-27-2012, 04:36 PM   #6
disston
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I have a new breather on my R90/6 but it wasn't rust. The top cap was missing. When it was pulled, or knocked, off, I don't know how it happened, it exposes a hole underneath so water could get in. I park out side.

Used a propane torch and pliers to pull old cap. Torch and block of wood to put in new, expensive, one. Easy as pie we say.
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Old 07-28-2012, 12:51 AM   #7
England-Kev OP
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The little cap itself is spot welded to the top of the breather/filler plug, I broke my one of while trying to clean it a new breather/filler plug from Motorworks is only 11.00 ($16.00) but it only takes a minute to check it is clean and the holes are open by blowing through it.

We live, We Learn.


Have a nice weekend all.
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