Yamaha 250GETO Service Manual page 26

GEN
INFO
Cooling system
The cooling water flow diagram is as follows.
Upper case
Lower case
Propeller boss
NOTE:
The cylinder head gasket has been newly designed for 250G.
This gasket controls the cooling-water flow between the cylinder head and the cylinder body.
Be sure to use the original gasket to obtain proper cooling-water flow.
1-21
General information
Thermostat
PCV Exhaust outer cover
Cooling water inlet
Cooling water flow chart
Cylinder head
Cylinder body
Exhaust guide
Flushing device
Water pump
Sea, River, Lake
Rectifier/Regulator
Pilot hole
6S35H11