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top end

  1. Scrambler 400 coolant issue

    ATV Repair and Maintenance
    I have a question about my 1997 scrambler 400. I recently rebuilt the top end and the coolant reservoir cap sometimes has a little bit of antifreeze on it after riding it. It doesn't shoot out or anything its just there is a little drop on the cap sometimes. It runs fine and I have been riding...
  2. loss of top end + Backfire=???

    ATV Repair and Maintenance
    2012 polaris 500 HO 60 hours I have two sons which have been riding the quad, and are oblivious to the problems i recently encountered on my trip around the property. This is why i cant have nice things...at least thats what my dad used to say to me.I changed the spark plug, and made sure it...
  3. 2005 Preditor 90 low Compression

    ATV Repair and Maintenance
    I have a 2005 Polaris predator 90 that my 9 year old has ridden the tires off of. It began to smoke a lot last month and began running bad. It finally got to the point I had to cup my hand on and off over the air intake to get the quad back to the house. I did a compression test and it came...
  4. One way check valve

    Polaris Predator
    Hey all, I have had this ongoing battle with oil in my air-box and finally had a response! I was told to take out the one way check valve, near the oil filter. I did so and my manual said there would be some residual oil and if any significant amount came out add some to the tank when I put the...
  5. Valve Job polaris Predator 500

    ATV Repair and Maintenance
    Hi I am new here and to Polaris somewhat. I am replacing the intake valves on my 2005 Polaris Predator 500 and I ordered the kibblewhite Black Diamond Valves. My question in do I have to do something to the seats to get them to sit right because I know you cant grind the black diamond valves...
  6. 1998 Sportsman ignition problem?

    ATV Repair and Maintenance
    So i bought a 98 polaris sportsman and whenever you give over half throttle sitting still or driving it acts as if the ignition cuts out like it is the reverse limiter. It doesn't stop running but wont wind up anymore. If you don't give it over half throttle it will let it wind up. CAm is good...
  7. 99 Xplorer - no top end speed

    ATV Repair and Maintenance
    Hello Everyone I went out last weekend mudding. For some reason I now have good bottom end torque but the bike is definately slower on the top end. I installed a brand new belt and scuffed up the belt pully. I'm pretty stumped. The bike sounds like its reving up fully but the speed is just not...