Evenrude 18hp Flywheel screw size

[PMC]

Dose anyone know if there is a standard size for the flywheel screws on evenrude engines?

I have an 18 hp from the 70's

 

[jbjennings]

Re: Evenrude 18hp Flywheel screw size

They are 1/4-20 threads. If you're using the screws in a flywheel puller, they need to be at least grade 5, preferably grade 8 screws.
JBJ

 

[PMC]

Re: Evenrude 18hp Flywheel screw size

Thanks for the help.

Went out got .25-20 grade 8 and the flywheel came right off.

really appreciate the help