1987 Evinrude Yachtwin 6hp Head Torque Please?

sashko1

Seaman Apprentice
Joined
Aug 18, 2011
Messages
34
Could someone tell me what the head bolt torque for my E6SLCUD motor is please?
 

raczekp1

Lieutenant
Joined
Mar 30, 2010
Messages
1,327
Re: 1987 Evinrude Yachtwin 6hp Head Torque Please?

i torgue head bolts by hands just to feel proper force
 

sashko1

Seaman Apprentice
Joined
Aug 18, 2011
Messages
34
Re: 1987 Evinrude Yachtwin 6hp Head Torque Please?

Can you describe what's "proper force" is please ? Last time I used this method I busted good threads on a vintage motor...

Ps - I normally use "proper force" when I deal with a woman;-) sorry I had to....
 
Last edited:

Rick.

Captain
Joined
Jul 30, 2006
Messages
3,740
Re: 1987 Evinrude Yachtwin 6hp Head Torque Please?

Cylinder head screws 60 -80 INCH pounds. Start in the middle and keep going in a clockwise direction out to the ends. Flywheel 40 -45 foot pounds. Taken from an OMC service manual for a 1968 6HP. Best of luck. Rick.
 

sashko1

Seaman Apprentice
Joined
Aug 18, 2011
Messages
34
Re: 1987 Evinrude Yachtwin 6hp Head Torque Please?

I think they changed the block significantly for 1987. My motor has only 6 head bolts and they are bigger in diameter.
 

Rick.

Captain
Joined
Jul 30, 2006
Messages
3,740
Re: 1987 Evinrude Yachtwin 6hp Head Torque Please?

That is significant. Mine appears to have ten. Probably best to get a manual for your specific engine. Your head must be a lot thicker.
Rick.
 

nwcove

Admiral
Joined
May 16, 2011
Messages
6,293
Re: 1987 Evinrude Yachtwin 6hp Head Torque Please?

144-168 inch lbs. still "pinwheel" out from the bolts between the plugs, and torque in at least three stages. then recheck after a few runs.
 

nwcove

Admiral
Joined
May 16, 2011
Messages
6,293
Re: 1987 Evinrude Yachtwin 6hp Head Torque Please?

rick, your numbers are correct for 1979 and older 6 hp, but from 1982 the numbers changed. (flywheel nut went to 480-600 inch lbs.)
 

sashko1

Seaman Apprentice
Joined
Aug 18, 2011
Messages
34
Re: 1987 Evinrude Yachtwin 6hp Head Torque Please?

Thank you good fellas a lot for your support!
 
Top