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SuzukiSavage.com
/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Crankcase breatherhose filter? /cgi-bin/YaBB.pl?num=1351075699 Message started by RobSchneider on 10/24/12 at 03:48:19 |
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Title: Crankcase breatherhose filter? Post by RobSchneider on 10/24/12 at 03:48:19 Have the K&N installed, want to put a filter on the crankcase breatherhose... Does anyone know which one I have to look for? Looking for a cheap solution ofcourse. |
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Title: Re: Crankcase breatherhose filter? Post by Demin on 10/24/12 at 04:11:25 I usually use the ones from Autozone.They look like a cone airfilter only smaller.Under 10 bucks. |
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Title: Re: Crankcase breatherhose filter? Post by RobSchneider on 10/24/12 at 05:27:17 6160686C6B050 wrote:
Can you tell me the size? Maybe I can order it somewhere online, price sounds awesome |
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Title: Re: Crankcase breatherhose filter? Post by Gyrobob on 10/24/12 at 06:02:44 724F427343484E4549444552200 wrote:
Just putting a filter on the end of a hose and venting the fumes to the atmosphere is illegal and pisses off the tree-huggers. -- In the ATL area, the local bike shops (especially the ones that build custom bikes) have occasional "conversations" with the gendarmerie about violating emissions requirements. -- Technically, you aren't allowed to modify the stock smog system. In actuality, most the authorities around here will be okay with the crankcase fumes being dumped into the intake system somewhere. -- It annoys me that RYCA did not have any way to handle this issue. They don't even mention it. How do they get away with that out in CA? On the Double RYCA build, this is how we set up a really cheap but stock OE-looking solution to crankcase emissions. See reply #130. http://suzukisavage.com/cgi-bin/YaBB.pl?num=1304722902/120 |
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Title: Re: Crankcase breatherhose filter? Post by Paraquat on 10/24/12 at 06:07:49 http://suzukisavage.com/cgi-bin/YaBB.pl?num=1345727402/2#2 Reply #2 shows what I did. Someone, I think it was Cavi Mike? Did a filter that had a 90 degree fitting on it for the breather. --Steve |
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Title: Re: Crankcase breatherhose filter? Post by Gyrobob on 10/24/12 at 06:33:04 1223302333372336420 wrote:
See reply #130. http://suzukisavage.com/cgi-bin/YaBB.pl?num=1304722902/120 |
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Title: Re: Crankcase breatherhose filter? Post by Paraquat on 10/24/12 at 09:07:54 I apologize. It was Gyrobob. --Steve |
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Title: Re: Crankcase breatherhose filter? Post by Gyrobob on 10/24/12 at 10:33:17 3203100313170316620 wrote:
No apology necessary. I'm flattered, in fact, you remembered it and offered it up as an option. The concept seems to be working well. I have a few hundred miles on mine now. -- There aren't any dribbles anywhere, and the upstream side of the carb is not getting stained or anything. -- The hose and automotive breather unit appear to have enough volume for the huffing and puffing into that tube. -- The whole thing is inside a closed system so there isn't any way for dust or other particles to get inside. |
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Title: Re: Crankcase breatherhose filter? Post by Dave on 10/24/12 at 12:13:41 I am surprised how little junk comes out of the breather tube. That rolled up screen inside the head cover must do a good job of filtering out the oil particles from the air pulses. I do like the way that Gryobob solved the issue. |
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Title: Re: Crankcase breatherhose filter? Post by RobSchneider on 10/25/12 at 03:38:59 4F717A676A676A080 wrote:
See reply #130. http://suzukisavage.com/cgi-bin/YaBB.pl?num=1304722902/120[/quote] Nice, but where are these hoses go to? |
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Title: Re: Crankcase breatherhose filter? Post by Gyrobob on 10/25/12 at 04:41:55 They are part of the float bowl venting system. Just route them forward, up between the spine of the frame and the tank. |
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Title: Re: Crankcase breatherhose filter? Post by Demin on 10/25/12 at 04:49:29 The filter/breather I use just has a 3/8ths hose barb that slides into the original vent hose. |
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Title: Re: Crankcase breatherhose filter? Post by RobSchneider on 10/25/12 at 06:14:37 7B454E535E535E3C0 wrote:
Thanks for the reply, No filter needed? |
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Title: Re: Crankcase breatherhose filter? Post by Gyrobob on 10/25/12 at 06:53:41 No filter because there is very little movement of air. Those tubes are just vents to make sure the pressure inside bowl is the same as ambient. Your comment is worth pondering though. There are so many little creepy crawly things in the southeast, it might not be a bad idea to just cover the ends of the tubes with some panty hose material or gauze or some such. |
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Title: Re: Crankcase breatherhose filter? Post by Badass94Cad on 10/25/12 at 10:41:58 79485B48585C485D290 wrote:
That's what I did too...90 degree fitting with barbed ends, with aa discrete zip tie to the frame. |
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Title: Re: Crankcase breatherhose filter? Post by tarkm812 on 10/25/12 at 13:33:27 Your system looks great Gyrobob. I'm always looking for well planned ideas. Is there any chance that too much vacuum on the breather might occur if your filter begins to restrict flow (clog). I know it is normally vented into the air intake but upstream from the carb. Does this make any difference? |
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Title: Re: Crankcase breatherhose filter? Post by braveteacher on 10/25/12 at 17:52:05 Here is the autozone one...tree huggers can bite it... http://www.autozone.com/autozone/accessories/Spectre-White-clamp-on-cotton-fiber-oil-breather-filter-element-May-not-be-legal-for-use-on-pollution-controlled-vehicles/_/N-25xh?itemIdentifier=266500&_requestid=1735490 |
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Title: Re: Crankcase breatherhose filter? Post by heroicseven on 10/25/12 at 18:45:48 This is how I did mine. |
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Title: Re: Crankcase breatherhose filter? Post by Gyrobob on 10/25/12 at 20:24:59 6A7F6C7573262F2C1E0 wrote:
That K&N filter is advertised as being a very low restriction filter, so I would imagine it would have to be so clogged it would cause the motor to run pretty pukey before it started to suck too hard on the crankcase vent tube. In this installation, it IS upstream of the carb. PCV systems (which the LS650 stock or RYCA modified does not have) would vent crankcase fumes either to the intake manifold (downstream of the carb) or inside the air filter (upstream of the carb) depending on the relative pressures of the intake manifold vs the air filter housing. This system is not that complicated All it does is to get most of the crankcase fumes to generally head into the carb intake. This makes it legal around here, and actually does help the environment a millionth of a percent. |
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Title: Re: Crankcase breatherhose filter? Post by Gyrobob on 10/25/12 at 20:27:44 5F4F5C4B5849585C5E55584F3D0 wrote:
Venting the crankcase fumes to the upstream side of the carb is cheaper, legal, cleaner, and more efficient. |
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Title: Re: Crankcase breatherhose filter? Post by braveteacher on 10/26/12 at 05:23:16 mine looks cooler... |
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Title: Re: Crankcase breatherhose filter? Post by Gyrobob on 10/26/12 at 09:35:56 7C6C7F687B6A7B7F7D767B6C1E0 wrote:
depends,.. |
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