Hi there, <br /><br />Can anyone give me some advise on how to expertly do the valve clearance on the mercruiser 120, 153ci chevy? The SELOC manual says start with cyl 1 at TDC then gives you the valves to adjust, but I read some guys just do TDC for each cylinder and adjust those valves? Is...
Hi there,<br /><br />After a lengthy rebuild on a merc 120 we took her out for some trials. Engine runs sweet, but when we shut the trottle off as we come into the harbour slow zone, she backfires through the carb. If we don't keep the revs up, she'd conk out on us. Once we're tied up and the...
hi there,<br /><br />I have just found out why our newly built 120 engine lost cylinder number three :-( There's a hole in behind the inlet valve into the water jacket! It's a long shot, but does anyone in the United Kingdom know where I can pick up a second hand cylinder head for a mercruiser...
