It is typically a prominent black plastic assembly on the top or side of the engine
this kit fits models from 65 HP (4-cylinder) up to V6 engines that use a short-vane impeller
making sure the vanes are oriented correctly (typically by turning the driveshaft clockwise while pushing down)
Confirm your engine model in the table below
It includes the wearable components inside the housing: the impeller
Outboard Engine Thermostat – Fits Yamaha 75-250 HP 4-Stroke (Replaces 67F-12411-00, 67F-12411-01-00, 6CB-12411-00-00, Sierra 18-3632, Suzuki 17670-90J00) 20HP It is typically a prominentProduct Details This replacement Outboard Engine Thermostat Fits Yamaha 75 250 HP 4 Stroke (Replaces 67F 12411 00, 67F 12411 01 00) is engineered to regulate engine temperature for optimal performance in Yamaha 4 Stroke models from 75 HP to 250 HP (including F series and VF series SHO) manufactured from 2001 to the present. It serves as a direct replacement for Yamaha part numbers 67F 12411 00 00, 67F 12411 01 00, and 6CB 12411 00 00, as well as