
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) …
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 …
Replacing Exhaust Manifold and Riser on 3.0L - Tips Needed
Aug 19, 2016 · The time has come to do some preventative maintenance and i'm planning on changing out the Exhaust Manifold and Riser on my 3.0L Mercruiser. The engine is a...
Mercruiser trim/tilt wiring - iboats Boating Forums
Aug 22, 2010 · Re: Mercruiser trim/tilt wiring For the trim limit switch, look for connectors with a purple/white wire and two blue/white wires. Polarity is not important. Adjust the TL switch to …
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 470 Engine Spec and Mods - iboats Boating Forums
Oct 2, 2006 · Re: Mercruiser 470 Engine Spec and Mods Most 470 owners are just happy if it keeps running It is a real bad pick for a HP motor Tommays
Mercury MerCruiser Sterndrives & Engines - iboats Boating Forums
Aug 7, 2009 · Mercury MerCruiser Sterndrives & Engines Sponsored by Quicksilver Propellers 1 2 3 … 4747 Next
Installing A 90 Amp Fuse - iboats Boating Forums
Aug 14, 2008 · The 90 amp fuse on the starter of my Mercruiser 5.0 needs to be replaced (my screw up :redface: ). Due to the configuration of my boat (Nautic Star 232 DC), this fuse is …
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, …
How many drain plugs on a 4.3 v6 merc - iboats Boating Forums
Oct 26, 2008 · Re: How many drain plugs on a 4.3 v6 merc Dalton, just did this for the first time today after speaking with a technician. There are 5 on my 4.3L Mercruiser (2006 Tahoe Ski …