zzr1100d2 starts but idles lumpy,when throttle is turned it cuts out.used to run perfectly even when not started for months.petrol tank developed holes , drained .bike not started for 3 months . due to battery failure.tank repaired, new battery fitted , problems started,new fuel added, profi-max carb cleaner used - no improvement. removed carbs, cleaned,carbs refitted ,no improvemnt

JAMES ADAMS, April 2013