last week when I did my service I got oil on the motor and frame when I pulled the oilfilter, o when I was done I sprayed degresser and hosed it off. when I turne the key all the way o the "on" position the headlights game on when they should have been off. it was intermitint some times they would light up other times not. it did it over the weekend also. do these bikes have a sensor that triggers the lights like in a car??