mercruiser 888 spark plug

[mauro.]

Hey all do you guys have any idea what spark plugs to use in a Mercruiser 888?
Any help appreciated
Thanks in advance
Mauro

 

[johnkom]

Directly from the manual, note 5:

5. 5/8 hex – 14mm plug – AC-MR43T, except as follows: 888
(only), Serial No. 4615130-thru-4616217 and above
4616267, use AC-R42-T.
13/16 hex – 18mm – AC-CR86-T.

 

[mauro.]

Perfect thank you