what is a mercruiser 188 - iboats Boating Forums
Sep 26, 2013 · Re: what is a mercruiser 188 ^^^ Sir, you are confused. You're thinking of the mercruiser 470, 170, 180 series engines, the big 3.7 liter 4-cylinder. It does have all the …
Mercury MerCruiser Sterndrives & Engines - iboats Boating Forums
Aug 7, 2009 · Mercury MerCruiser Sterndrives & Engines Sponsored by Quicksilver Propellers 1 2 3 … 4746 Next
Oil leaking our of "weep hole" in Alpha 1 lower unit.
Jun 14, 2017 · I replaced the water pump assembly in the lower unit of my MerCruiser Alpha 1 sterndrive. The boat was running too warm so I decided to investigate and found the water …
mercruiser 3.0 performance, pros and cons, what can I expect?
Mar 11, 2014 · Re: mercruiser 3.0 performance, pros and cons, what can I expect? the 3.0 is a small motor. it is great for a light cruise, however if your looking for performance, I suspect you …
Merc 7.4L (454) MPI Fuel Pressure - iboats Boating Forums
Feb 6, 2008 · Anyone know what the factory fuel pressure setting is on a 2001 Mercruiser 7.4L MPI at the fuel rail Schrader valve? I'm trying to diagnose a possible faulty (or clogged) …
How to winterize closed cooling system engine - iboats Boating …
Oct 2, 2012 · Hello, I would like to winterize 7.4 L Mercruiser engine (1997 Mercruiser 7.4 L 8 cylinder) with closed cooling system. By reading various threads on the forum, I would like to …
mercruiser 190 | Boating Forum - iboats Boating Forums
Apr 15, 2010 · Re: mercruiser 190 Ok..just curious about everyones opinions, thought, or stories. I personally havent heard a good thing about these motors. Seem like more trouble than they …
Thermostat Temps for 4.3 ltr Merc V6... 140 or 160?
Apr 15, 2011 · Whenever a Mercruiser engine equipped with a 143 deg stat is operated for long periods of time in cold water areas at very low rpms [such as when trolling] install a 160 deg …
Cool Fuel Module Gen 3 failure symptoms - iboats Boating Forums
Jun 27, 2017 · The fuel regulator you have there is different from mine. According to my serial number listed above and the mercury website; it is located on top of the fuel pump cap on the …
Recommended RPMs at WOT - Merc 5.7L - iboats Boating Forums
Jul 24, 2007 · Trying to find the recommended RPMs for my 1987 Mercruiser 5.7L 260HP with Alpha One at full throttle. I'm right around 4000, but I think I should be a little higher (21' …