I have a 01 raptor, K&N filter stock carbs. I have oil leeking from the tube from the top of the carb to the intake boot. I can't find this tube in the book, and can't understand how engine oil would get there? Yes I'm sure it's engine oil. The crank breather tube is in the same area but it's not coming from there. Anyone know what these tubes are or how oil would get there? It's only leeking on one side witch would be the left if you are looking down from the rear of the quad.