Ok here's the scoop. I bought this as a basket case. Engine was puller because of timing chain tensioner was out. The guy I bought it from was a suzuki tech at a dealership. Said he went on and re rang it due to the high miles since he had the jugs off. I installed the engine and it went pretty smooth. When I start the bike at idle the rear cylinder does not fire. I dont care how much throttle you add it will not come to life. If I turn the bike off and start it with adding some throttle the rear cylinder fires? If you let the throttle drop to an idle it stops for I and of cousre the engine starts to run like crap. Then you have to kill it and re start ot woth throttle applied. So it makes ot a night mare to ride in traffic being you have to keep the idle up so the rear cylinder with continue to fire. I checked compression and im at 165psi on the rear. I took the front cylinder injector out and swapped it to the rear one to see if I could follow the dead cylinder problem. Ive pulled the plugs and put new ones in it as well as checked the fire on the rear cylinder. It sparks great! Im stumped and the local shop said they have never heard about this. Its an 08. I understand it could be timing in the rear cylinder but wouldn't it run like crap the whole time? Any help would be amazing!!!