Hey everyone. I have a 2006 Sportsman 450 that will not idle well when cold. Choke doesn't seem to help much. Just have to sit and hold the throttle until it warms up enough to shift it. Tried changing idle speed screw but then it idles too high once warmed up. I will note that I've seen it smoke some oil burning off when you start it up after letting it sit once in a while. I used to have a UNI on it, but now switched back to stock.
Just curious where to start. Could the oil smoke be related? Valves out of adjustment or low compression? I do admit I didn't clean the UNI as much as I should have, and is why I switched back to stock. Also had the valves checked probably 80 hours ago by my dealer. They did not adjust at that time.
Or is it in the carb somewhere? The wheeler doesn't get run a ton as it's up north, so I guess I wouldn't be surprised either if it's a fuel issue.
Just curious where to start. Could the oil smoke be related? Valves out of adjustment or low compression? I do admit I didn't clean the UNI as much as I should have, and is why I switched back to stock. Also had the valves checked probably 80 hours ago by my dealer. They did not adjust at that time.
Or is it in the carb somewhere? The wheeler doesn't get run a ton as it's up north, so I guess I wouldn't be surprised either if it's a fuel issue.