head bolt torgue

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  #1  
Old 12-23-04, 02:25 PM
feisty
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Lightbulb 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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  #2  
Old 03-29-05, 12:49 PM
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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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