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Donutclub
Posted on Monday, February 06, 2006 - 08:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Here's a home-made catch can made out of Tygon (F4040) tubing, K&N filter, 3/8" barb tee, 6 small clamps, 2 medium clamps, 3 zip-ties, and a spare bolt for the end plug:

catch tube

I'll have to wait until spring to see if it works.
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Diablobrian
Posted on Monday, February 06, 2006 - 08:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Looks like it should work just fine.

The tubing looks like it's full of antifreeze...nuclear green.
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Hkwan
Posted on Monday, February 06, 2006 - 10:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

So is this hooked up to one of the overflow tubes? Where is that little filter attached to?
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Aldaytona
Posted on Monday, February 06, 2006 - 10:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

YIKES!
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Diablobrian
Posted on Monday, February 06, 2006 - 10:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

He hooked both of his crank case vents to the tube coming down.
the filter is to allow pressure to vent after gravity catches the
solids in the tube.

Similar in intent to my norris performance catch can, but
far less expensive.

nice work. I can see doing somthing similar on the race bike. It seemed
like a shame to add the weight of the catch can after we worked so hard to
remove weight. Looks like you've done the re-engineering for us.

Thanks Donutclub!
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Donutclub
Posted on Tuesday, February 07, 2006 - 06:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I actually got the idea from my old RS125. It used a clear plastic tube for the rear brake reservoir.

The tubing is actually yellow in color, it just looks green in the picture. The Tygon tubing is UV, ozone, fuel, and hydrocarbon resistant, hence it will stay flexible and not harden over time.

The filter is attached to a 90° bend 3/8" hose. It's the hose that is removed from the rear PCV valve when installing the open air box kit.
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Buellman39
Posted on Tuesday, February 07, 2006 - 08:39 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Looks kind of korny to me.
Is that the redneck version?
My opinion, if you can spend ten grand on a bike you can spend a little more then 10 bucks on a catch can design.
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Mdm
Posted on Tuesday, February 07, 2006 - 08:46 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Im still trying to figure out why to the whole catch can thing? Engine oil is changed a 5k some prob at 3k and at tempature the water will vent right, so this is to solve a problem that really exists or just to add a trinket ?

MDM
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Buellman39
Posted on Tuesday, February 07, 2006 - 08:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

It helps to catch small amounts of water that would otherwise go into the intake.
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Aldaytona
Posted on Tuesday, February 07, 2006 - 09:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

...........the small amounts of water that would otherwise go into the intake......and burn off harmlessly?
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Diablobrian
Posted on Tuesday, February 07, 2006 - 11:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The dyno tells the tale. Al at American Sport Bike has the dyno charts
to prove the value of removing the crank case vents from the air box.

Think about it, warm oily moist air is vented directly into your air
box. Making you intake air moist, less dense, and oily.
That's the main reason. A cleaner air box is just a side benefit,
but no one will make you put one on.
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Hogs
Posted on Tuesday, February 07, 2006 - 12:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I have been running a catch can/ That set up for all last summer...and I can tell ya this ,that the junk that collects and goes out them vents I wd. NOT want it to go inside my motor...Its a EPA thing with all manufactures and they can`t let that go in the air so they burn it off inside the engine.... And its not just water by no means...
And yo make it even simlier one does not neede a filter I just upsized the hose where you wd. put a filter and bend it around the shape say like a bananna ,as long as you keep the can/empty hose drained you need not worry...

(Message edited by hogs on February 07, 2006)
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