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Thread: Rerouting breather hoses?

  1. #1
    Join Date
    21st January 2009 - 09:41
    Bike
    o6WR250
    Location
    naki
    Posts
    40

    Rerouting breather hoses?

    i have been having trouble with the breather hoses getting clogged for some time & figure its time i did something about it.on the wr i have 4 breathers off the carb and plan to run one either side of the carb up along under the seat .any one else done this and are there any problems i should watch out for ? i figure the ends of the hoses should be facing down so if any water gets in there it doesnt drain back to the carb.would it be ok to run them inside the airbox?
    also can i do the same with the engine breather. there appears to be a space at the front of the airbox for this hose.
    i have yet to find any water or mud in the airbox on any of the rides i have done.
    any other options?
    fairly sure its the hoses coz to get bike going again all you need to do is flick the hoses to get the mud out of them.however this can be quite awkward when thebike is buried in mud or stopped in a creek
    by the way check out off limits. 2 dayer in dec . 100 riders only .im in

  2. #2
    Join Date
    17th April 2011 - 14:39
    Bike
    Honda VF750f.
    Location
    Nelson
    Posts
    4,330

    Inline filters

    Use them on the diffs and gearbox of my offroader.
    For a man is a slave to whatever has mastered him. Keep an open mind, just dont let your brains fall out.

  3. #3
    Join Date
    12th December 2006 - 15:17
    Bike
    2010 KTM 300 exc
    Location
    Auckland
    Posts
    243
    Quote Originally Posted by budget biker View Post
    i have been having trouble with the breather hoses getting clogged for some time & figure its time i did something about it.on the wr i have 4 breathers off the carb and plan to run one either side of the carb up along under the seat .any one else done this and are there any problems i should watch out for ? i figure the ends of the hoses should be facing down so if any water gets in there it doesnt drain back to the carb.would it be ok to run them inside the airbox?
    also can i do the same with the engine breather. there appears to be a space at the front of the airbox for this hose.
    i have yet to find any water or mud in the airbox on any of the rides i have done.
    any other options?
    fairly sure its the hoses coz to get bike going again all you need to do is flick the hoses to get the mud out of them.however this can be quite awkward when thebike is buried in mud or stopped in a creek
    by the way check out off limits. 2 dayer in dec . 100 riders only .im in
    You can use inline filters but they can still get blocked, run only the top two hoses up under the tank (higher the better). If you run them into the airbox the carb can possibly be affected by the negative pressure in the airbox when you are at full throttle

  4. #4
    Join Date
    22nd April 2009 - 19:57
    Bike
    2007 Yamaha WR250F
    Location
    Westharbour
    Posts
    219
    Blog Entries
    1
    do a search on "thumper talk" for breather mods, lots of info there, olso ballards do a hose mod kit with hoses and an end filter
    Quote Originally Posted by Ktmboy View Post im gay i like men Quote

  5. #5
    Join Date
    17th July 2006 - 13:53
    Bike
    2006 CR250R
    Location
    Gisborne
    Posts
    2,090
    If your float bowl hose is higher than the float bowl overflow pipe inside the bowl it wont function and you will flood your bike every time you lie it down / crash, the rest might be ok

  6. #6
    Join Date
    28th November 2007 - 13:41
    Bike
    2008 CRF450, CBR900RR, 125 Pit bike
    Location
    Hamilton
    Posts
    733
    Ive seen this and never used it because ive never had the problem.

    http://vm.net.nz/crownkiwi/catalogue...ustomlistNum=1

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