1987 virago 1100 coasting enrichener valves

[dirtbike]

THANKS TO ALL YOU GUYS THAT HELPED GET MY 87 VIRAGO UP TO SPEED & RUNNING AS GOOD AS IT IS...AFTER CLEANING THE CARBS IT RAN GREAT BUT THE ENRICHENER VALVE DIAPHRAM ARE SHOT!!!  MY DEALER SAID PARTS NOT AVAILABLE FOR THIS PART...IT DOES POP ON DECELL BUT NOT TO BAD,IT DOES HAVE COBRA PIPES ON IT..(OLD PIPES ROTTED OUT)..ANY IDEA ON HOW/WERE TO GET THE PARTS?????   IT REALLY RUNS GOOD FOR A OLD BIKE WITH 51000 MILES ON IT... DO YOU THINK THIS DIAPHRAM WILL HELP???????THANKS FOR YOUR INPUT!!!!!!!!!!!