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trailboss330

  1. Need help with rear axles housing

    Polaris Trail Boss
    I'm am at the point of selling my 2013 polaris trailboss 330 due to the fact of the rear axle and housing becomes lose.The whole rear axle shakes to the point the chain will fall off no matter how tight the chain is adjust.Ive had the rear axle housing replaced three times and bearing redone...
  2. 2007 Trailboss 330 Oil Cooling Fan

    Polaris Trail Boss
    Newbie here. First time so be gentle. Oil cooler fan and light is on all the time. Checked thermistor and it has unusually high readings>264k ohms at 70 degrees. Service manual states over 50K shows open. Trying to find replacement 4010934 and Polaris has discontinued it. They recommend a...
  3. 330 starter wont start!

    ATV Repair and Maintenance
    I have a 04 330 Trail Boss. Had a issue last ride with it starting up only on reserve. Fixed the fuel problem. Went to start it & it wouldn't. I took the starter off to see if it was bad, it was not. It turned over just fine. Has a new battery, spark, fuel, ect. Any ideas on what else to do?
  4. Trail boss 330 mikuni carburetor runs really rough

    ATV General Discussion
    I have an 03 trail boss with stock carb components, the atv wasn't running right so I decided to do a carb cleaning. It remove a lot of dirt and build up but since it doesn't run right at all. It wont idle at all and runs very high rpms. Now it is making a rather loud popping noise and before...
  5. ignition shut down

    ATV Repair and Maintenance
    I recently rolled my trail boss 330 on the pavement. Since then, the engine will only run for 3-5 seconds and the ignition kills it. Eng has brand new battery, good oil and pressure. When the engine stalls, i can blip the on/off switch from from kill to run and the engine will continue to run...
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