deceleration

Been wrenching on this thing awhile now(fe550e, 2004)..carb cleaned( WELL),cam timing set, valve clearance set, throttle position sensor(plugged/unplugged), tried higher idle, fiddled with slow mix screw.....still stalling on hard back shifting. Not every time but maybe one out of five. It will...

I recently purchased a 2003 FE650 for a great deal. Didnt want to start when i bought it. Adjusted the valves, changed the oil and coolant. new iridium spark plug and cleaned the dellorto carb. Fired right up, took it for a test ride, great. Deceleration pop noticed. Threw an fcr41 carb on...

Hey Guys, I figure my mixture must be too lean, but can I do a simple adjustment to fix it? I'd need step by step instructions please - very new to this game. Thanks Geoff