ensuring correct flow direction
Clean the mounting threads on the engine block to remove any debris
check your engine's serial number against the ranges listed in the 'Compatible Engine Models' table above
making sure the flow arrow points toward the engine
2012-2013 Suzuki DF9
Outboard Engine Thermostat – Fits Yamaha 75-250 HP 4-Stroke (Replaces 67F-12411-00, 67F-12411-01-00) family-yamaha-8mshv ensuring correct flow directionOutboard Engine Thermostat Fits Yamaha 75 250 HP 4 Stroke This thermostat is a direct replacement for a wide range of Yamaha 4 stroke outboard engines from 75 HP to 250 HP, including F Series (F75, F80, F90, F100, F150, F200, F225, F250) and VF Series (VF200, VF225, VF250) models from 2001 to the present. It is engineered to meet or exceed OEM specifications, ensuring proper engine operating temperature for optimal performance and fuel efficiency.