§ 25.18 Trail grooming equipment; requirements. Any combination of
equipment used to maintain the snow surface of snowmobile trails shall
be equipped with:

1. a head light and tail light as required of snowmobiles in this
article, as well as a revolving, rotating, flashing, oscillating or
constantly moving amber lamp with a minimum candlepower of sufficient
intensity to be plainly visible from a distance of five hundred feet
from the front and rear during hours of darkness under normal
atmospheric conditions; and

2. reflector material as required for snowmobiles.