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    Lock washers, flat washers or star washers, are they not used on marine applications?

    I had a couple of bolts back off on the thermostat housing on my 3,0 today. The motor started to run bad, lost the alternator, temp gage showed 100 degrees after running all day. We got back to the marina and we were pumping a lot of water out of the bilge. When we had a chance to open the...
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    Notes from the valve job on my 2007 3.0

    Here?s a heads up for those of you who may be planning a valve job on your Mercruiser 3.0. I was ready to reassemble mine when I noticed some holes in the engine block that looked to be closed up with carbon. At first I thought they were not being used and covered by the head gasket. Possibly...
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    Piston deposit removal

    I'm doing a valve job on my 2007 3.0 and I noticed a small deposit on the top of the #2 piston (Same cylinder that had 0 compression). I'm thinking it's a piece of the original spark plug that broke off sometime. I tried to pick it off with a putty knife but it's on pretty secure. I was...
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    Manifold vacuum testing port for a 2007 3.0 TKS carb?

    I'd like to attach a vacuum gage to my 3.0 and I'm not seeing a port to tap into. Am I missing something or is this not possible on this engine and carb package? Mike
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    Pressure testing the fuel pump on a 2007 Mercruiser 3.0 TKS Mercarb

    I want to run a pressure test on my fuel pump to see if that is what's breaking down after running for a bit on plane, ( http://forums.iboats.com/forum/engin...s-at-3000-rpms ) From what I can see it would require me to remove the rigid steel fuel line and add couple of barbed fittings and...
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    2007 3.0 power loss at 3000 RPMS?

    (2007 Bayliner Discovery 192 3.0 (1AOO5789) HI USHB24EYH607) So I?m having what I believe is an ignition breakdown. Here?s a little of the history of the boat and what we have done. (maybe more than you'd like to see LOL) The boat (2007 Discovery 192 with 135 hours on the meter) when we...
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