Function: Starter relay solenoid for motorcycles and scooters. Provides reliable actuation of the starter motor to ensure quick and consistent starts. Compatibility: Designed for YA&MAHA series engines and the following models: 9.9, F9.9, F13.5A, FT9.9, FT50, FT60, 6C, C75, 8C, C80, C85, 15, 20, 25, 30, 40, 50, 90, 115, 150, 175, GP760, GP800. Material: Durable construction for long service life. Suitable as a direct replacement part on compatible motorcycles. Benefits: Improves starting reliability by providing solid electrical switching to the starter. Built to withstand regular use and resist wear in demanding riding conditions. Performance: Quick and responsive solenoid operation to engage the starter circuit, helping reduce starting delays and failures. Installation: Quick and easy installation. Designed to be practical and straightforward to fit on compatible systems. Use scenarios: 1) Replacing a worn or faulty starter relay on a motorcycle or scooter listed in the compatibility range to restore reliable starting. 2) During routine maintenance or engine refurbishments where a fresh, reliable starter solenoid is needed. 3) Keeping as a spare part in a workshop to minimize downtime and ensure fast servicing of compatible bikes.