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Crankcase venting

4K views 18 replies 9 participants last post by  BP6666VR 
#1 ·
The vent hose behind rear jug runs up between cylinder heads , is it suppose to just vent out there.?
Seems lots of oily crap, all in there?

Thanks
 
#4 ·
Supposed to vent into the airbox. Just fit a mini KN type filter to it to stop it sucking **** in and don't Max fill at oil changes as if it's right on or a bit over you'll get oily residue pumping out.
Higher you can get the filter the better.
 
#6 ·
When one adds filter/cap to vent tube on top of crankcase (#9), what about the other end where the vent connects to the frame (#6)?
 

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#10 ·
Never block off #9 put hose on it and run down to ground. Auto store you can get small crank case filter so no sucking back.
Heck Lloydz never does anything with hose leave it attached to frame nipple
 
#7 ·
Cap it.

If you are going to run an external filter on the PCV you need to cap the nipple on the upper frame or else your engine will suck dirt into the intake. You can pick up a rubber cap like a large vacuum cap used to cap or plug a vacuum system on an intake. Also you can put a short piece of hose onto it and stick a plug in it or a short bolt, make sure the bolt has a smooth shoulder on it that actually fits into the hose.
:|
 
#8 ·
Oil smell

NOTE: If you run the external engine vent, or put a filter on it just be aware you may smell oil sitting at lights or when you park the bike after it has been ran for a while. The vapors or engine blow by instead of being sucked back into the intake will escape to atmosphere and you may smell the stinky oil smell. Just so you know, I did run my bike for a while that way and yes I could smell the oil, but I got a nose that is to sensitive sometimes, ha,ha.
:grin
 
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#9 ·
NOTE: If you run the external engine vent, or put a filter on it just be aware you may smell oil sitting at lights or when you park the bike after it has been ran for a while. The vapors or engine blow by instead of being sucked back into the intake will escape to atmosphere and you may smell the stinky oil smell. Just so you know, I did run my bike for a while that way and yes I could smell the oil, but I got a nose that is to sensitive sometimes, ha,ha.
:grin
"I love the smell of crankcase oil in the morning"
"smells like Victory":devil
 
#11 ·
I posed the question so the pundits would clarify what needs to be done with either end of the vent.
 
#13 ·
Thx everyone, finally got to do some reading on this.
I have it cleaned up and back on n the nipple now. Thx

It was hard to see behind all the wiring

Cheers
 
#16 ·
Hi Salty, did you print a copy of the manual for your bike?

As a sample I printed a A3 size for my workbench...

Andre
TaPaTaLk
 
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#18 ·
Thx Andre, soon as,I get a computer up.and running.
Works off an IPAD right now

Much appreciated
 
#19 ·
I went to a print shop, front page color, the rest of the 399 pages black and white, the paper is GLOSS, and very thick, the book will last forever.. My bike is a '13 and the printed book is '06 but that doesn't matter the 2013 manual was less quality, I use this book almost monthly, downloaded with courtesy of Bbob website...



Andre
TaPaTaLk
 
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