Thread subject: Whaler Central - Boston Whaler Boat Information and Photos :: cathode anode. My bolt and this housing.

Posted by huckelberry145 on 09/10/13 - 8:44 AM
#1

I'm putting my 1999 70 hp Yamaha back together. What should I use to prep the stainless steel bolts before putting them back into this aluminum housing? I've seen copper coat anti seize. Is that what I should use?

Posted by Tom W Clark on 09/10/13 - 8:53 AM
#2

Do NOT use copper based anti-sieze with stainless steel hardware in an aluminum outboard motor.

Use marine grease or a gasket compound like Permatex Aviation Form-a-Gasket.

Posted by Tom W Clark on 09/10/13 - 9:11 AM
#3

I should add that there are graphite/aluminum based anti-sieze compounds out there that would be acceptable.

Posted by huckelberry145 on 09/10/13 - 12:55 PM
#4

Thanks Tom