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Venting fuel tank

Discussion in 'Rampage XT' started by rampage18, Jan 29, 2018.

  1. rampage18

    rampage18 New Member

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    Hey guys this is my first post.

    I have a question, my XT will run nice and strong until the motor has ran for about 10 min or so at higher rpm. After a while it will start to break up and if I let out of the throttle it will catch it self. I can start to run at W.O.T again. Then it will cough and break up again and then quit. It will not restart unless I push the primer again, will start and quit. Am I needing to vent my fuel system? I'm thinking I'm creating to much of a vacuum in the tank.

    Any input will be appreciated, and tips and tricks are welcome also.
     
  2. G-Man

    G-Man Junior Member

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    Make a simple gas cap vent like this out of a nipple threaded into the cap with a short piece of fuel hose and a dirtbike tank vent valve on the end. Then cut the stock rubber seal in the cap so it is just a washer kinda like a garden hose. Boom you are done. No more bogging at half tank and hard starts below half tank. Hope this helps!! 20170403_064647.jpg
     
  3. rampage18

    rampage18 New Member

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    oh ok that works, what if the truck rolls is it an anti syphon? or does gas come out
     
  4. G-Man

    G-Man Junior Member

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    Gas will come out of the vent if it is on it's lid for a length of time as will your stock cap. The leakage is very minimal if at all normally. I have a tendency to be in a hurry to flip it back over. I make a point to clean out the valve on the end of the hose with carb cleaner frequently and be sure it rattles letting you know the valve is free
     
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