What is the fine-grained topic of the following text: Young lad bought a 95 klx250r runs 20 mins pipe goes cherry red and problems idling running stock jet 1 1/2 turns out on pilot screw lid is off air breather and a crank breather K&amp;N filter Any body have any ideas? Only return the topic.
Troubleshooting a KLX250R motorcycle's operational problems