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Old 09-05-2011, 10:00 PM   #1
squish OP
Out of the office.
Joined: Dec 2003
Location: Where the Ghetto meets the sea.
Oddometer: 6,407
'86 R80(r, the naked bike) Crankcase breather hose...

So I took care of some long negleted things on the Wife's R80

And found somethings, when the PO removed the shed system and some of the crankcase breather parts
He left a hole open in the airbox, under the filter... Dumbass.

He also left the crankcase breather hose just vented into the airbox, with the little white intake tract whirly gigs removed.

So I decided to test something out, this bike has about 60K miles, and burns a bit of oil and when riding behind my wife, I get smoked out.

So I happened to have a length of tubing, and a little crankcase breather filter that fits on the end of a hose.
I pulled the hose from under the starter cover and ran it out one of the holes in the top cover. Ending the breather up around the battery, with the vent filter on the end, the slope is enough that any oil vapor will condense and drain back down.

So far the system has reduced the burnt oily smell substantially when I'm riding behind her.

So here's the question.
Water vapor collects on the inside of the tube, and just stays there. is this something to worry about.
Should I plumb the line for a drain? Or forget about it and ride it the way it is?

I forgot to add that there will be some top end work in the bikes future. I'm guessing it's going to need rings and maybe valve work, and I know it already needs push rod seals, and that there's a fair bit of carbon build up on the pistons.
On vacation for a spell

squish screwed with this post 09-06-2011 at 01:41 PM
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Old 09-06-2011, 09:24 AM   #2
One Less Harley
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Joined: Nov 2006
Location: Bowling Green, Ky
Oddometer: 4,962
...and I just let mine drain out...
2004 BMW R1150RS
1984 BMW R80G/S
(wrenching index)
2003 Suzuki DRZ 400S (TAT Prep)
One More DRZ does the TAT (Ride Report)

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