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 …
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) …
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 …
555 ECM faults | Boating Forum - iboats Boating Forums
Jun 6, 2009 · Re: 555 ECM faults Do you have Mercruiser Manual #36, ECM 555 Diagnostics? I didn't see it under the Adults Only sticky, but I downloaded it from somewhere. If you have it, …
Mercury MerCruiser Sterndrives & Engines - iboats Boating Forums
Aug 7, 2009 · Mercury MerCruiser Sterndrives & Engines Sponsored by Quicksilver Propellers 1 2 3 … 4746 Next
MerCruiser Forum - iboats Boating Forums
MerCruiser Models Alpha I Bravo I Bravo II MerCruiser Alpha MerCruiser Bravo MerCruiser 3.0 MerCruiser 3.7 MerCruiser 4.3 MerCruiser 5.0 MerCruiser 5.7 MerCruiser 6.2 MerCruiser 120 …
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 …
Mercruiser 3.0 reliability and overall maintenance?
Feb 2, 2021 · I am looking at purchasing a 2008 Searay sport 175 with a Mercruiser 3.0 (Alpha 1 leg). I've read some positive posts about this motor as they're economical...
Empty drive oil reservoir, can I simply fill the reservoir with oil, or ...
Jun 2, 2011 · I have no idea what type of oil is in it, but the drive came from Mercruiser, factory box, with a sample bottle included from factory designed to fill the reservoir and says Mercury …
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 …