Quicksilver 8M6012539 - Thermostat kit for Yamaha 2-stroke outboardsFor the best performance, efficiency and reliability, keep your engine running at its optimal temperature with a new Quicksilver 8M6012539 Thermostat Kit for Yamaha 2-stroke outboards.Key Product Features Fits Yamaha 2-stroke 9.9-15hp (1996 and newer), 20, 25 (2- and 3-cylinder), 30, 40, C40 (1998 and newer), 50, C50, P50, C75, P75, E75, C80, C85, 90, C90, 115, B115, C115, P115, S115, 130, S130, 150, C150, D150, DX150, P150, PX150, SX150, V150, VX150, VZ150, Z150, 175, VZ175, Z175, 200, P200, SX200, V200, VX200, VZ200, Z200, 225, S225, SX225, VX225, 250, S250, SX250 and VX250 outboards; Provides proper engine cooling temperature to help assure peak performance and efficiency; Helps regulate the temperature of your engine to prevent damage that can occur from overheating; Includes thermostat, gasket and O-ring; Quicksilver parts are engineered and manufactured to meet or exceed OEM specifications; Application Information:Fits Yamaha 2-stroke 9.9-15hp (1996 and newer), 20, 25 (2- and 3-cylinder), 30, 40, C40 (1998 and newer), 50, C50, P50, C75, P75, E75, C80, C85, 90, C90, 115, B115, C115, P115, S115, 130, S130, 150, C150, D150, DX150, P150, PX150, SX150, V150, VX150, VZ150, Z150, 175, VZ175, Z175, 200, P200, SX200, V200, VX200, VZ200, Z200, 225, S225, SX225, VX225, 250, S250, SX250 and VX250 outboards