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head bolt torgue


feisty's Avatar
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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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oldJoe's Avatar
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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 "



Last edited by oldJoe; 04-05-05 at 12:31 PM.
 
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