2002 Yamaha Xv 250 Virago S "idle speed" Questions

The Bike was sitting for 2 years with gas in it had carb cleaned. Bike starts and idles, but when you go togive it gas it dies. How do I fix? try checking the high speed jet---it may be adjusted ...

...idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM. 9. Air/fuel mixture screw improperly adjusted. 10. Accelerator pump damaged or not working. 11. Water or dirt in the fuel ...

speed there is a whining sound. Is it a chain tensioner, gears or something else. Only happens with a load on the transmission. Runs smooth and quiet at idle. Sound like it is coming apart. my 82 seca