Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 391Get this manual
RIGHT HAND NON-RATCHETING
5Secure pipe against carrier with propeller nut and tab washer
aPipe [6 inx 1.5 in(152.5 mm 38.0 mm)]Propeller NutTab Washer 6Torque propeller nut to 45 lbin(5 Nm)7Gently rock driveshaftDial indicator should show backlash of 0.030 in0.050 in(0.762 mm- 01.27 mm)If backlash is not as indicated, gear case is not properly assembled or parts are excessively worn and must be replaced before returning gear case to service
Clutch Actuator Rod
REASSEMBLY
1Place small amount of Quicksilver 2-4-C wTeflon Lubricant on actuator rod and install cam follower