Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 257Get this manual

Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 257

Quality of the image is intentionally reduced!

POWERHEAD
Thermostats
1 Inspect thermostat covers and cylinder head covers (thermostat opening) for cracks and corrosion damage that could cause leakageReplace parts as necessary2 Remove a