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fuel injection

  1. Finding TDC on 2006 Ranger 700 EFI, Rough Idle

    ATV Repair and Maintenance
    We have a 4x4 Ranger with rough idle, and the service manual recommends a leak-down test. However, there's no guidance on how to find top-dead-center. Bumping the starter and inserting something in the spark plug opening is inconclusive, as it seems like the rotation always lands at the same...
  2. XP 850 does throttle switch kill spark or fuel?

    ATV Repair and Maintenance
    Hello Polaris Community. I have looked everywhere for an answer and cannot find one so I am hoping someone can give me advice. One afternoon I started the quad and quickly put it in reverse and backed up. I then drove about 200 ft forward and the quad died almost like the kill switch was...
  3. 2005 Sportsman 500 EFI Continued Buzzing after start

    ATV Repair and Maintenance
    I have two sportsmans built with in a few months of each other. When you turn on the key the fuel tank buzzes for 3 to 5 seconds and then quits. I usually let this cycle before I engage the starter. I assume this is the fuel pump pressurizing the fuel rail and disengaging when up to pressure...
  4. 2006 800 EFI - Stalls over and over

    ATV Repair and Maintenance
    Hi all, I am completely new to the site and hoping that I can get some good finds in the knowledge arena. I just purchased an '06 800 sportsman EFI and while the throttle is touchy it is a real nice, smooth machine. However, there are a few issues with it that as of yet, I can't find a solution...
  5. Moving to Anchorage, Alaska

    ATV New Members
    Hey all, in the market for a couple of Polaris ATVs. Looking to save a few bucks and stick to the basics, Polaris 400 4x4 and Trail Boss 330 for kids. Any known issues with carburated vs fuel injected engines in Alaska?
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