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  1. Yamaha SS440 idle problem

    Vintage Snowmobiles
    Got 2 SS440’s that have been sitting for a few years cleaned the gas tank, carb and put in new fuel line. I got the thing started and once I turn the choke off it idles up to about 3000rpm then bogs our and dies. I’ve tried adjusting the idle screw but it does nothing. When the choke is on I can...
  2. Touring E Won't Idle

    Ski-Doo Snowmobiles
    I have two 1999 Skidoo Touring E's. I cleaned both carbs in preparation for this season. One idles and runs fine. The other idles for about 20 seconds and then stalls. I can prevent it from stalling by flipping the choke lever briefly. It will run for 20 more seconds and then try to stall...