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Skipper
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Registered: a month ago
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Head bolt torque

I have a 1996 EVINRUDE 150 2stroke, anyone know what the head torque specs are and the sequence
Admiral
Posts: 7,054
Registered: ‎07-14-2011

llRe: Head bolt torque

What size is the hex on the head bolts?  1/2" or 3/8"

 

 

 


"There is never just one thing wrong with a boat";
                    -- Travis McGee, main character in a book series by John D. McDonald 


 



***************

The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. Should you elect to perform repairs yourself, use caution, common sense, and observe safety procedures in the vicinity of flammable liquids, around moving parts, near high-temperature components, and working with electrical or ignition systems.

The information offered here is only general in nature and should not be construed as complete factory approved procedures, techniques, or specifications. Always use the proper service manual for your motor, up-to-date service literature, the correct tools, and have an understanding of how to proceed with troubleshooting and repair methods. If you are unsure or uncomfortable with a procedure, a situation, or a technique, enlist the services of a factory trained technician.


Skipper
Posts: 0
Registered: a month ago

Re: Head bolt torque

1/2
Admiral
Posts: 7,054
Registered: ‎07-14-2011

Re: Head bolt torque

20-22 ft. Lbs - do it in 3 steps

 

 

 


"There is never just one thing wrong with a boat";
                    -- Travis McGee, main character in a book series by John D. McDonald 


 



***************

The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. Should you elect to perform repairs yourself, use caution, common sense, and observe safety procedures in the vicinity of flammable liquids, around moving parts, near high-temperature components, and working with electrical or ignition systems.

The information offered here is only general in nature and should not be construed as complete factory approved procedures, techniques, or specifications. Always use the proper service manual for your motor, up-to-date service literature, the correct tools, and have an understanding of how to proceed with troubleshooting and repair methods. If you are unsure or uncomfortable with a procedure, a situation, or a technique, enlist the services of a factory trained technician.


Skipper
Posts: 0
Registered: a month ago

Re: Head bolt torque

What sequence brother
Admiral
Posts: 7,054
Registered: ‎07-14-2011

Re: Head bolt torque

There may be numbers cast into the head, if not, start with the middle two bolts and spiral outwards

 

 

 


"There is never just one thing wrong with a boat";
                    -- Travis McGee, main character in a book series by John D. McDonald 


 



***************

The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. Should you elect to perform repairs yourself, use caution, common sense, and observe safety procedures in the vicinity of flammable liquids, around moving parts, near high-temperature components, and working with electrical or ignition systems.

The information offered here is only general in nature and should not be construed as complete factory approved procedures, techniques, or specifications. Always use the proper service manual for your motor, up-to-date service literature, the correct tools, and have an understanding of how to proceed with troubleshooting and repair methods. If you are unsure or uncomfortable with a procedure, a situation, or a technique, enlist the services of a factory trained technician.


Skipper
Posts: 0
Registered: a month ago

Re: Head bolt torque

Ok thank you
Skipper
Posts: 0
Registered: a month ago

Re: Head bolt torque

Stupid question, a guy at work was telling me to make sure I set the timing on my 1996 EVINRUDE 150 2stroke im rebuilding! any advice? I thought the timing wasn't adjustable, key in the crank shaft to the flywheel?
Admiral
Posts: 7,054
Registered: ‎07-14-2011

Re: Head bolt torque

He's right, check the timing, it may not have been correct to start with.

 

 

 


"There is never just one thing wrong with a boat";
                    -- Travis McGee, main character in a book series by John D. McDonald 


 



***************

The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. Should you elect to perform repairs yourself, use caution, common sense, and observe safety procedures in the vicinity of flammable liquids, around moving parts, near high-temperature components, and working with electrical or ignition systems.

The information offered here is only general in nature and should not be construed as complete factory approved procedures, techniques, or specifications. Always use the proper service manual for your motor, up-to-date service literature, the correct tools, and have an understanding of how to proceed with troubleshooting and repair methods. If you are unsure or uncomfortable with a procedure, a situation, or a technique, enlist the services of a factory trained technician.


Skipper
Posts: 0
Registered: a month ago

Re: Head bolt torque

Does anyone by chance know the torque specs on the rod bolts on my 1996 EVINRUDE 150