Thermostat (60°C/140°F) – Fits Suzuki, Yamaha, Johnson/Evinrude, Mercury 4-Stroke 70-300HP (Replaces Suzuki 17670-90J00, Yamaha 67F-12411-01-00) Miller Installs directly between the cylinder

Installs directly between the cylinder head and the exhaust manifold

Place the lower unit on a workbench and remove the bolts securing the water pump housing

Carefully unclip or unscrew the housing cover to expose the old air filter

Housing Material: Constructed from durable foam media for effective filtration

Locate the proper area on your vessel according to your owner's manual

Thermostat (60°C/140°F) – Fits Suzuki, Yamaha, Johnson/Evinrude, Mercury 4-Stroke 70-300HP (Replaces Suzuki 17670-90J00, Yamaha 67F-12411-01-00) Miller Installs directly between the cylinderProduct Details This replacement Thermostat (60C 140F) Fits Suzuki, Yamaha, Johnson Evinrude, Mercury 4 Stroke 70 300HP (Replaces 17670 90J00, 67F 12411 01 00) is engineered to regulate your engine's operating temperature for optimal performance and longevity. It is designed for a wide range of 4 stroke outboard motors from leading brands, including Suzuki DF series (2001Current), Yamaha F series (2001Current), Johnson Evinrude 4 strokes (20032006),