Torque values for 1964 75hp

[Evinrude Boater]

Does anyone know the torque values for the intake bypass, cylinder head covers, intake manifold and exhaust cover bolts? My manual doesn't have specific charts listing these items, just bolt sizes.

 

[Chris1956]

Re: Torque values for 1964 75hp

I do not have the torque out of the manual. However, there is universal torque values that are based upon bolt size, threads/inch and grade of bolt. This info should be readily available on the net.

 

[Evinrude Boater]

Re: Torque values for 1964 75hp

Thanks Chris, I did look on the net but came up short of any useful info.

 

[Reggie08]

Re: Torque values for 1964 75hp

I don't know if these are relevant, but the manual for my 85 'Rude 90hp listed the torque values for those parts at something like 60-84in.lbs

 

[F_R]

Re: Torque values for 1964 75hp

Unless otherwise specified, torque values are as follows
#6 screws; 7-10 in/lbs
#8 screws; 15-22 in/lbs
#10 screws; 25-35 in/lbs
#12 screws; 35-40 in/lbs
1/4" screws; 60-80 in/lbs
5/16" screws; 120-140 in/lbs
3/8" screws; 220-240 in/lbs

From an OMC book