Instructions and picture provided by
Jason Spradlin, STOC 5043:
Vacuum Fuel Valve Bypass Method
NOTE: The hose with the GREEN X is the main fuel line that goes to the carbs.
Step 1) Remove completely the hose with the RED X.
Step 2) Connect the hose with the GREEN X to the output of the fuel filter.
Step 3) Remove the cutoff valve
Step 4) Plug the small vacuum line attached to the fuel cut-off.
(http://www.st-riders.net/aow/AOW%20-%20ST1100/Vacuum%20Fuel%20Valve%20By-Pass%20Method%20-%20ST1100/Pic%201.jpg)
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Fuel Shutoff Repair instructions at this link:
http://www.st-riders.net/index.php?topic=1213.msg8136#msg8136Diaphragm repair kit:
K & L diaphragm repair kit, p/n 18 4356 ( Available at
www.casporttouring.com )
Link to kit at California Sport Touring. (http://www.casporttouring.com/store/merchant.mvc?Screen=PROD&Store_Code=CST&Product_Code=22201&Category_Code=)
(http://www.casporttouring.com/store/graphics/00000001/KL-18-4356.jpg)
Price: $21.98 as of June 2009