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Old 08-29-2016, 11:00 AM   #8
2LZ   2LZ is offline
 
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Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,064
Quote:
Originally Posted by detours View Post
You may want to put a one-way check valve on the end of that line, or at least a filter. Your crankcase sucks air back in when the piston returns to TDC, and you don't want dirty outside air to get sucked back in there.
This is something Ive tussled over for years. No bike I've ever owned (in the old days, pre-crank gas recirc) had ever even come with anything but a ground vent. I've been through streams and creaks and have never sucked in any water. I may run a filter on the end just because..........

jb, I just changed my oil yesterday and it was slightly higher than the top measurement on the glass...and I'm pretty sure I had it between them. I was wondering if the kink in my OCS line was causing it NOT to evaporate off the gasoline???? It's the main reason I eliminated it all. Now I need to ride and check it.

Not to highjack but here's a pic.
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Last edited by 2LZ; 02-06-2019 at 10:18 AM.
 
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