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 Carefully unclip or unscrew the

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

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

lightly lubricating them with marine grease or clean gear oil

As a general preventative maintenance rule

reduced top speed

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 Carefully unclip or unscrew theProduct 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),