Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 233Get this manual
POWERHEAD
Crankshaft, Pistons and Connecting Rods
REFNOQTY1 10 11 12 12 TORQUE DESCRIPTION CRANKSHAFT ASSEMBLY BALL BEARING (LOWER) RETAINING RING CARRIER ASSEMBLY SEAL RINGsealing ROLLER BEARING RACE PISTON (STARBOARD) PISTON (PORT) PISTON RING LOCK RING CONNECTING ROD ASSEMBLY 1st Torque: 15 lb-in 2nd Torque: 30 lb-ft Turn Screw additional 90 after 2nd torque lb-in lb-ft Nm