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  1. 2003 Sportsman 400 won't start after top end rebuild

    ATV Repair and Maintenance
    Our 03 sportsman 400 was left untouched for some time so we took it to a local repair shop to get it back in working order. When we got it back we drove it not more than 5 miles before it started smoking, turns out whoever worked on it forgot to put oil back in it. The piston and rings burned up...
  2. Timing Chain Broke!

    ATV Repair and Maintenance
    Timing Chain Broke! On my 1999 Sportsman 500 the exhaust lobe on the cam was worn down completely. I replaced the cam and rockers. Set timing. Set valve clearance to .006 at TDC. Fired it up and it ran beautifully for 20 seconds. I gave it throttle and once I got to half throttle... "Snap!"...
  3. 1992 350l 4x4 carb issue or?

    ATV Repair and Maintenance
    I just bought a 1992 Polaris 350L 4X4. When it starts up it idles fine, but when you rev it up it seems to bog all the way up through the rpm range, slow climb to rpm as well. I know the previous owner said he changed the carb and thought he may have the wrong one. Any ideas? If you put the...
  4. 93 Trail Boss

    Polaris Trail Boss
    Just finished with a top end rebuild. Rebuilt the carb. Put a new pull in. It pulls smooth and seems to have good compression. But nothing fires when I pull the rope start. pulled the plug and checked for spark. It fires very time I pull the cord.poured fuel in the cyl. and got it to fire one...