Just fired up my 2004 SV after working on it for the past year and it seems something is seriously wrong with the transmission. After adjusting the clutch cable (at both ends) and the adjuster nut to required spec, the rear wheel spins when no throttle is applied. When clutch is engaged, the wheel stops. Linkage seems to be in order and shifting feels solid. Turning the adjuster nut in also stops the wheel. Could this be due to a bad or slipping clutch? The bike only has 2000 miles and has spent 5+ years sitting. Any advice and/or solutions would be incredibly helpful. Thanks.