there used to be an old trick of putting the oil light in the low tension side of the ignition - so that the bike would only run if the light was out.
not sure what a blown bulb would do tho ?
( i guess you could trigger a relay off it instead of using the filament as a fuse )
not sure what a blown bulb would do tho ?

( i guess you could trigger a relay off it instead of using the filament as a fuse )