I have a 07 Roadking Custom, engine shuts off when slowing down. Will hear engine die & look down & see oil light lit on speedometer telling me engine is off. Conditions are: clutch in, throttle backed off, braking & shifting down. Only happens once in a while & will start back up right away but is happening more frequently now. Usually happens early in a ride but did happen later in a ride once. Yesterday it happened 4x within first 40 minutes of ride, never happened that much before. Been to dealer 2x & can't find anything. Thinking of replacing on/off switch on handle bars to be pro-active. Any ideas?