This has probably been posted a million times but I did a search and nothing came up...anyways...i have a 1998 arctic cat 440. It won't go faster than 50 mph. It starts and runs fine but when I sqeeze the throttle it seems to bog and won't accelerate. Last spring I drained the carbs and added stable in the gas. Is it ok to ride like this? Any thoughts? I'm a new sledder.