Yamaha - Oil watch comp. - YF1-26273-95-10Yamaha Oil Watch Component Engine Monitoring System YF1 26273 95 10 Overview When it comes to protecting a Yamaha engine, keeping an eye on oil levels is everything. Ive seen engines savedand others lostjust based on whether the monitoring system was working right. The Yamaha Oil Watch Component YF1 26273 95 10 helps track oil conditions so youre not running blind. Its one of those parts that gives you peace of mind every time youre out on the water.