Re: torque specifications for 1983 50 hp mercury outboard for water jacket gasket
TIGHTENING TORQUES
Connecting Rod 180 in.-lbs. (20.3 N-m)
Crankcase Screws:
Models 650 & 800 (Prior to 1973) 150 in.-lbs. (16.9 N-m)
All Other Models 200 in.-lbs. (22.6 N-m)
Cylinder Cover:
Models 45, 50 & 500 70 in.-lbs. (7.9 N-m)
Models 650 & 800 (Prior to 1973) 100 in.-lbs. (11.3N-m)
Models 800 (After 1972), 850, 80 & 75 85 in.-lbs. (9.6 N-m)
Exhaust Cover:
Models 45, 50 & 500 200 in.-lbs. (22.6 N-m)
Models 650 & 800 (Prior to 1973) 150 in.-lbs. (16.9 N-m)
Models 800 (After 1972), 850,80 & 75 250 in.-lbs. 250 in.-lbs. (28.2 N-m)
TIGHTENING TORQUES CONT.
Flywheel:
Models 800 (After 1972), 850,80&75 100 ft.-lbs. (136 N-m)
All Other Models 65 ft.-lbs. (88.4 N-m)
Reed Screws:
Models 45, 50 & 500 30 in.-lbs. (3.4 N-m)
Models 650 & 800 (Prior to 1973) 35 in.-lbs.(3.9 N-m)
Models 800 (After 1972), 850,80&75 25 in.-lbs. (2.8 N-m)
Spark Plugs 240 in.-lbs. (27.1 N-m)
Transfer Port Covers:
Models 800 (After 1972), 850,80&75 85 in.-lbs (9.6 N-m)
All Other Models .60 in.-lbs. (6.8 N-m)