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Oil in air box leaking out of vent tube

Discussion in 'RS General Talk' started by tedgoesfast, Mar 12, 2018.


  1. tedgoesfast

    tedgoesfast Expert

    Messages:
    390
    Location:
    fredericton nb
    I have a friend that rolled his vector after cleaning air box and hoses still pumping oil into air box I've cleaned all lines acts li!e its building to much pressure in engine thinking it might be the bleed pressure valve that asll hoses go to it was fine before this anyone have this happen
     
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  3. CaptCaper

    CaptCaper VIP Member VIP Member

    Messages:
    2,011
    Location:
    Northern N.H.
    Country:
    USA
    Snowmobile:
    2016 RS Vector XTX 1.25 Lug wifes..2013 RS Vector LTX.. 2003 600 VMax Past Machines 3-2007 Attaks 1-2010 Vector LTX.. sorry no Stinkdoos or poo's cats.
    i don't know what the bleed pressure valve is or does ..we never had an issue even thou the wife rolled her 2010 Vector..
    I know if you have too much oil it will puke it out into the air box. And when snow/cold gets into that area it will puke it out. I'm thinking the "pipe joint" # 14 in the 2011 fiche. This has been the case with our 2010 vector a few times over 10,000 miles.. thawed it out and all was good until next time.
    I would make sure the oil level is in the X area when hot. Not cold first. Also you must know you don't screw down the dip stick to measure just seat it at the first thread.
    I would check those and run it until it gets hot and check the oil level again. These Vectors are tough and I can't imagine rolling it would cause any issue. I have seen a few posts here over the years with this issue.. and I bet it was too much oil or frozen pipe joint or damaged pipe joint? causing pressure? not sure..sorry.
     
  4. 4strokeluvr111

    4strokeluvr111 Please stay between the markers! VIP Member

    Messages:
    2,055
    Location:
    NW Wisc.
    Country:
    USA
    Snowmobile:
    05 Vector
    14 Vector LTX
    (14 LTX is for sale)
    I THINK the small tube that comes from the engine to the airbox has a check valve. It might be stuck open.
     
  5. BACK COUNTRY YAMAHA

    BACK COUNTRY YAMAHA Extreme

    Messages:
    80
    Location:
    newfoundland
    Country:
    Canada
    Snowmobile:
    1997 vmax 600 sx, 99 venture 600, 2004 vk 540, 2006 Yamaha vk pro, 2009 venture multi purpose and 2006 venture 500 xl
    The small vent tube at the bottom of the air box goes down to the bottom of your crankcase, if you look down you will see a 90 degree fitting protruding out, that the vent tube goes on over. Sludge builds up in the fitting, use some fine stainless wire and Double it up to make a u shape to hook out the sludge and that should fix your problem, been talked about here before with other genesis four strokes with the same problems! Cheers!
     
    CaptCaper likes this.

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