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12-23-04, 02:25 PM
#1
feisty
Proper ft lbs torque for cylinder head
what is the proper head bolt torque for a 25 hp johnson?
Last edited by feisty; 12-25-04 at 01:37 PM. Reason: No response
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Join Date: Nov 2004
Posts: 74
03-29-05, 12:49 PM
#2
Torque Spec 25hp Johnson
From a Seloc manual: (divide in/lbs by 12 for foot/lbs)
Flywheel nut.......480-540 in/lbs
Con rod bolt........180-186 "
Cyl head bolt.........96-120 "
Crankcase to
cyl bolts upper
lower..................120-144 "
crankcase to
cyl bolts
center................120-144 "
Flywheel nut.......480-540 in/lbs
Con rod bolt........180-186 "
Cyl head bolt.........96-120 "
Crankcase to
cyl bolts upper
lower..................120-144 "
crankcase to
cyl bolts
center................120-144 "
Last edited by oldJoe; 04-05-05 at 12:31 PM.
