repoman
Member
Reged: 03/28/12
Posts: 75
Loc: Kinderhook, NY USA
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The other end is connected right behind the word "hose" in my picture.
OK, then I leave it as is, nothing should be connected to that end. Funny, I never saw this hose before today and I was all over this bike when I first bought it.
I know so little, but learning as I go....
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robj
Greenhorn
Reged: 04/13/12
Posts: 29
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Looks like the breather/vent hose to me. If it is connected to the housing on the "inside / other side" of the clutch cable you should put a filter on it. They should be $7 to $10 at a parts store. DO NOT let water run into the open end of the hose if you don't put a filter on it.
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repoman
Member
Reged: 03/28/12
Posts: 75
Loc: Kinderhook, NY USA
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Quote:
Looks like the breather/vent hose to me. If it is connected to the housing on the "inside / other side" of the clutch cable you should put a filter on it. They should be $7 to $10 at a parts store. DO NOT let water run into the open end of the hose if you don't put a filter on it.
Water, dirt, pebbles...I think I lot of stuff has to stay out of this hose!
Where did it disconnected from? the air filter? There is a clamp on the end so it was on somewhere.
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edmspeedmaster
Learned Hand
Reged: 07/11/11
Posts: 1245
Loc: Alberta, Canada
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Quote:
Mmmmm, red chain. My kind of 525! 
LOL would that be because yours is red Keith! LOL i wish they had a blue one, that would look good on the fast black SM like mine :-)
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2007 Speedmaster and lovin it!
In Memory of "Friar John" 1967-2012 RIP
Edited by edmspeedmaster (05/13/12 12:02 PM)
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robj
Greenhorn
Reged: 04/13/12
Posts: 29
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If you have the air box it goes to that making a kind of closed system. If the air box was removed and filter pods were installed (freak)there is no place to connect the hose so it is changed to a breather with a filter.
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wiredgeorge
Member
Reged: 04/30/12
Posts: 92
Loc: Medina County Texas
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A word on puttting a crank case vent filter; be careful if you do install one. You have a 10 year old bike and if there is any blow-by, the filter can clog with oil and will plug. If it does, the crankcase won't be ventilated and if you run the bike hard, can blow engine seals. This is an issue on vintage bikes anyway. On a vintage bike, I connect a hose to the crank vent and run the hose over the swingarm. The only issue is to keep mud daubers out of the hose which can block it as well. If the hose is more than a foot long, it isn't likely any water will go up in the crankcase.
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wiredgeorge
TX Hill Country
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repoman
Member
Reged: 03/28/12
Posts: 75
Loc: Kinderhook, NY USA
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Quote:
If you have the air box it goes to that making a kind of closed system. If the air box was removed and filter pods were installed (freak)there is no place to connect the hose so it is changed to a breather with a filter.
...so when the air filter pods were installed the hose no longer had a connection....man, that seems odd, oh well, I'll be fixing this silliness today. Thanks for the responses, they really helped.
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wiredgeorge
Member
Reged: 04/30/12
Posts: 92
Loc: Medina County Texas
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The idea for having a hose on the crank breather is that it sometimes spits oil out of the crankcase. This can happen if the bike has poor ring seal or if the bike is run super hard and the oil foams. When this happens, if there is no hose off the breather, the oil just spews out. If there is a hose, the spew is directed. The environmental cops want the spew to go up into your airbox (if that doesn't sound right nothing will). Same for the emissions system; the emission system will dump stuff into a runner just in front of the combustion chamber where it is super heated by the exhaust and hopefully burn... there is yet another hose from this system so that if something doesn't get burned in the manner described, guess where it is dumped? Your airbox. Yummy for the airfilter!
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wiredgeorge
TX Hill Country
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repoman
Member
Reged: 03/28/12
Posts: 75
Loc: Kinderhook, NY USA
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Quote:
The idea for having a hose on the crank breather is that it sometimes spits oil out of the crankcase. This can happen if the bike has poor ring seal or if the bike is run super hard and the oil foams. When this happens, if there is no hose off the breather, the oil just spews out. If there is a hose, the spew is directed. The environmental cops want the spew to go up into your airbox (if that doesn't sound right nothing will). Same for the emissions system; the emission system will dump stuff into a runner just in front of the combustion chamber where it is super heated by the exhaust and hopefully burn... there is yet another hose from this system so that if something doesn't get burned in the manner described, guess where it is dumped? Your airbox. Yummy for the airfilter!
Well, since the past owner of my bike removed the breather box I ended up putting a small wire mesh on the hose opening just to keep the boulders out. That should not get clotted up with any eminent oil burp.
Thanks for the information, I (as I'm sure everyone else following this thread) truly appreciate it.
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