Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 39Get this manual

Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 39

OUTBOARD MOTOR INSTALLATION
Installing Outboard to Boat Transom
Determining Recommended Outboard Mounting Height
(660mm) (635mm) (609mm)
23 inOutboard (584mm) Mounting Height (See NOTE Below) 22 in24 in25 in26 in

NOTE: Add in(127mm) for XL models and 10 in(254mm) for XXL models to listed outboard mounting height