I have the same kill switch.....got it from the OldMiniBikes store for $3.55......
vintage snowmobile mini bike kill switch rupp speedway - eBay (item 270706852680 end time Mar-17-11 03:19:33 PDT)
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vintage snowmobile mini bike kill switch rupp speedway - eBay (item 270706852680 end time Mar-17-11 03:19:33 PDT)
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