Yamaha Oil Pilot Light Assembly 7CA-H5770-01-00. Overview. The Yamaha Oil Pilot Light Assembly 7CA-H5770-01-00 is a genuine original equipment manufacturer component designed to provide clear and reliable oil system status indication. This assembly plays a critical role in alerting operators to oil levels or potential lubrication issues, helping protect your engine from damage.. Engineered to Yamaha's exact specifications, this oil pilot light assembly ensures a precise fit and dependable perfor