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A work in progress, aircraft air oil separator with catch bottle and K&N filter. I will get it finished and on the bike sometime. The catch bottle will be remotely located to shorten the assembly up enough to hide between the electrical caddy and battery box.
: Mike
Like the design.. Run the breather in tangent to the side of the container. Hopefully any oil pulsed out through the breather will be centrifugally precipitated out.. I've found that small traps don't work on bigger motors, especially when they have forged pitons. Bikes with forged pistons don't get good ring seal until the motor is hot.
Last edited by Max Headflow; Mar 3, 2017 at 05:45 PM.
Reason: precipitated
Like the design.. Run the breather in tangent to the side of the container. Hopefully any oil pulsed out through the breather will be centrifugally precipitate out.. I've found that small traps don't work on bigger motors, especially when they have forged pitons. Bikes with forged pistons don't get good ring seal until the motor is hot.
Interesting, I was wondering about the input being along the outer edge. Now it makes perfect sense.
The first 2 work well on a 113 evo and 131 TC ci motor. Notice the last one bled oil mist all over the carb and dust found the oil.. Last is a 116 TC..
I posted earlier that I had tried the Golan mini catch can but didn't use it due to my experience of getting a little oil around the vent holes.
I just modded another ac (yes, another - got a heavy breather extreme/elite/whatever it is) and decided since I had my new FuelMoto e series pipe I didn't want even a little dripping on the brand new heat shield, so I dug out the Golan and made a little mod.
I figured since the inlet was basically right next to the vent holes, that was why it was leaking some (note, it's a really small amount. I'm just nuts, so this probably isn't worth reading for most normal people).
So I picked up some 1/4" ss tube and made a little dip tube that puts the blowby on the bottom of the can, not the top. It fit right in the inlet barb, pinched it slightly to give it a little resistance, coated in jb weld and pressed it in flush. Also cut the included foam in half and put a hole in the middle just for the hell of it.
Installed it this morning and will run it to work this morning. We'll see.
Here they are. Had one PC'd for the LRS and the other is for the RG.
