Outboard Engine Thermostat – Fits Yamaha 75-250 HP 4-Stroke (Replaces 67F-12411-00, 67F-12411-01-00) family-yamaha-8mshv check your engine's serial number

check your engine's serial number against the ranges listed in the 'Compatible Engine Models' table above

Clean the threads of the tank port to remove any old sealant or debris

Transom Seal Bellows Kit for MerCruiser Alpha One Gen 1 – OEM 30-803097T1

Notes Yamaha 40HP C40ELRV 40 2-Stroke 1997 6H1-45251-02-00/6H1-45251-03-00 Alternate 3 PR Yamaha 40HP C40MSHV 40 2-Stroke 1997 6H1-45251-02-00/6H1-45251-03-00 Alternate 3 PR Yamaha 40HP C40PLRV 40 2-Stroke 1997 6H1-45251-02-00/6H1-45251-03-00 Alternate 3 PR Yamaha 40HP C40ESHV 40 2-Stroke 1997 6H1-45251-02-00/6H1-45251-03-00 Alternate 3 PR Yamaha 50ESD

and V8 engines from 1986–1993

Outboard Engine Thermostat – Fits Yamaha 75-250 HP 4-Stroke (Replaces 67F-12411-00, 67F-12411-01-00) family-yamaha-8mshv check your engine's serial numberOutboard 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.