2012 3.0 Mercruiser how to check and set timing

Prophammer

Chief Petty Officer
Joined
Jul 2, 2010
Messages
466
I have a 2012 Bayliner with 3.0 Tks mercruiser , it runs fine in every way but it diesels when I shut it off , I would like to check the timing and see if it could be off a little bit, what steps are involved checking the timing?
 

alldodge

Moderator
Staff member
Joined
Mar 8, 2009
Messages
40,582
Serial Numbers are always best to start with, if your serial number is above 0L341xxx
Then timing is 2 ATDC

Should have EST distributor

Click image for larger version  Name:	EST Timing.jpg Views:	8 Size:	47.7 KB ID:	10825332
 

jtsvette

Cadet
Joined
Jun 24, 2019
Messages
19
The timing mark on the crank pulley can be difficult to see. It's just a little notch, you'd be wise to put a dab of orange or white paint on it.
 
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