Alright I got an 04 CRF450 and usually she fires right up when kicked a like 2 or 3 times with the choke when cold. Well yesterday she was really acting up. She refused to start with the choke on. Any suggestions??? Im guessing that either my plug is going cause it is the stock one or the valves are starting to go and i need to have them set. Any 2 cents on what you think will be very helpful. I dont feel like trying to fig it out right now so i will have more details later. Thanks.