Mercury 225 OptiMax

GENERAL INFORMATION
30
Models 200 225 250
Piston stroke 76.2 mm (3.000 in.)
Recommended spark
plug
NGK IZFR5G
NGK IZFR6J or
NGK PZFR6H
Spark plug gap 0.8 mm (0.031 in.)
Standard gearcase
ratio
1.75:1
High altitude gearcase
ratio
1.87:1
Recommended
gasoline
Refer to Fuel and Oil
Recommended oil Refer to Fuel and Oil
Gearcase lubricant
capacity
798 ml (27 fl. oz.)
Battery rating
1000 marine cranking amps (MCA) or 800 cold
cranking amps (CCA)
Charging system
output
60 amps