Yamaha F400A 2022 - Engine Anode

2-57
Cooling system
Engine anode
The locations of the anodes in the engine cooling water passages have been optimized. As a result,
checking the anodes at 1000 hours is no longer necessary and the anodes must be replaced only
during major maintenance work.
AB
C
AB
C
A. Exhaust joint
B. Cylinder head
C. Cylinder block and water jacket