Was going to say, "just order one, shouldn't be more than about $15", but feckeneh was I ever wrong.
MICROSWITCH 620-800 S/03
Qty: Price: 84.99
But because I love to look for good deals,
That is the only one I could find on Ebay but it saves you a trip to the Dealer. You might be able to send your Dealer a picture of yours and if they are good peeps, they may be willing to mail you one. I wouldn't count on it though as it might be difficult for them to prove they did the repairs for reimbursement.
06 Paul Smart Sport Classic NFS ever.
08 S4RS Tricolore #081 NFS ever.
01 M600, aka, The Pink Monster
97 900SS CR
72 Norton Commando 750
03 KX60 with S4R rear shock,Honda CB350F, Hodaka Ace90, 3x Yam-YGS1, Yam-CS3 200, Vespa small frame, Gilera 106, Puch Sabre, Puch 50 Boy Racer, Ducati 250 bevel, Benelli 250, Benelli 360, Honda CB350T, and many more.