Can anybody tell me what spark plugs I need for a 1997 mercruiser 4.3 LX Gen+? Thanks!
B Bingpeejoe Recruit Joined Oct 12, 2012 Messages 5 May 15, 2013 #1 Can anybody tell me what spark plugs I need for a 1997 mercruiser 4.3 LX Gen+? Thanks!
Don S Honorary Moderator Emeritus Joined Aug 31, 2004 Messages 62,321 May 15, 2013 #2 Re: '97 mercruiser 4.3 Either the AC MR43LTS or NGK BPR6EFS
B Bingpeejoe Recruit Joined Oct 12, 2012 Messages 5 May 15, 2013 #3 Re: '97 mercruiser 4.3 Thanks Don! Next 2 Questions - Do I have to remove the exhaust manifolds to replace the spark plugs? And is the gap .045? Thanks in advance.
Re: '97 mercruiser 4.3 Thanks Don! Next 2 Questions - Do I have to remove the exhaust manifolds to replace the spark plugs? And is the gap .045? Thanks in advance.
Don S Honorary Moderator Emeritus Joined Aug 31, 2004 Messages 62,321 May 15, 2013 #4 Re: '97 mercruiser 4.3 Normally you don't have to pull the manifolds, but I can't see your access from here either. Yes, .045
Re: '97 mercruiser 4.3 Normally you don't have to pull the manifolds, but I can't see your access from here either. Yes, .045
B Bingpeejoe Recruit Joined Oct 12, 2012 Messages 5 May 15, 2013 #5 Re: '97 mercruiser 4.3 Thanks again Don
