Re: 1985 (1987) 15 hp Thermostat Cover Torque Value Needed
iits from Wisner Ramblingsł
http://www.sschapterpsa.com/ramblings/Johnson_9.9_powerhead.htm
Flywheel nut 40-50 Foot # ( 60-70 N*m)
Connecting rod screw 48-60 Inch #, 4-5 Foot # (5.0-7.0 N*m)
Cylinder head screws 216 - 240 Inch #, 18-20 Foot #, (24-27 N*m)
Crankcase to cylinder screws 145-170 Inch #, 12-14 Foot #, (16.0-19.0 N*m) (5/16" dia screws only)
Electric start thru bolts 30-40 Inch #, (3.4-4.6 N*m)
Electric start pinion nut 150-170 Inch #, (17.0-19.0 N*m)
Spark plugs 17.5-20.5 Foot #, (24-27 N*m)
Power Pack mounting bolts 4-5 foot #, (5.0-7.0 N*m)
Manual starter assy screw 24-26 Foot #, (32-36N*m)
Upper mounts 60-80 Inch #, 5-7 Foot #, 7.0-9.0 N*m)
Pilot shaft to steering bracket 95-130 Inch #, 8-10 Foot #, (11.0-15.0 N*m)
Propeller slip clutch 85 Foot #, (115 N*m)