I am a motorcycle mechanic and I am currently stumped by an issue I am having with a 2002 Suzuki DRZ400S (~10,000miles on it) that I am working on. The customer brought it in with the complaint that he was riding it, shut it off and it wouldn't start back up. I brought the bike in and after checking spark, plug condition, carb/air filter condition and compression I decided that it needed a piston and rings (compression was 90psi. and it should be 137psi). After replacing the piston and rings, re-timing the cams, replacing the plugs, and completely cleaning the carb, the bike will not fire. It sounds like it wants to, but will not fire up. I rechecked the cam timing, rechecked spark, rechecked the carb (removed, inspected and cleaned all jets and passages) and I still can't get it to run. If you have any insight or ideas as to what I have overlooked I'd love to hear what you have to say. Thanks
-Matt-
-Matt-