Reply to thread

Message: [QUOTE="_JOE_, post: 1204677, member: 77507"] Sorry, I didnt have time. The pilot/slow jet controls low throttle operation(closed to 1/8th)along with the air screw. These jets along with the slide type effect 1/8th to 1/4. The slide and needle control 1/4 to half throttle operation. The needle, main, spray bar and air jet control 1/2 to full throttle. The slow jet is not important at half throttle as needle and main have taken over. And since gotgreen doesnt know where he lives and rides a completely different machine his jetting is of no relevence to yz/250. How old is the top end? Are the reeds in good shape. Do a search for plug chop. This is the only way to accurately check the main circuit. There is a wealth of info from people who know what they are doing. Buy Eric's book, too. It is very informative. Sorry so short in the first post. Good luck yz/250. :cool: [/QUOTE]