2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Manual, PN 5005483, Page 123Get this manual
POWERHEAD TORQUE CHART
TORQUE CHART
Description
Cylinder Head Screws Connecting Rod Cap Screws Main Bearing Screws Crankcase Flange Screws Lower Crankcase Head Screws Exhaust Cover Screws Thermostat Housing Screws Intake Manifold Screws Flywheel Nut Powerhead Retaining Screw Exhaust Housing to Powerhead Nut Lower pan support screws Manual starter ratchet screws
18 to 20 ftIbs24.5 to 27 N'm 30 to 32 ftIbs41 to 43 N'm 18 to 20 ftIbs24 to 27 N'm 60 to 80 inIbs to N'm 96 to 120 inIbs 11 to 14 N'm 60 to 84 in Ibs to 9.5 N'm 60 to 84 inIbs to 9.5 N'm 60 to 84 inIbs to 9.5 N'm 100 to 105 ftIbs136 to 142 N'm 18 to 20 ftIbs24.5 to 27 N'm 18 to 20 ftIbs24.5 to 27 N'm 60 to 84 inIbs7 to 9.5 N'm 120 to 144 inIbs13.5 to 16 N'm