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    Head gasket orientation for 4.3 Vortec

    I have MOTor GASKET MO 115. See pic. Should the flatter side with the extra metal go on the block ?
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    Aluminum risers

    I need new risers and i found aluminum for $99 each.. Are they inferior . I would think aluminum is better ?? Marine Engine Depot. 4.3L_262ci - 5.7L_350ci Mercruiser Style Aluminum Exhaust Riser.html
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    ANOTHER WATER IN OIL QUESTION

    1998 4.3 , raw water cooling , no oil cooler -milky tannish white thin oil from the pan -thicker looking in valve cover area -oil up a 1/2 quart only 3 small droplets from spark plug in cylinder 2. plugs normal looking- not white. -new head gaskets, riser and exhaust gaskets, intake manifold...
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    Strange starter issue.

    1998 4.3 mercruiser Vortec. Starter bendix will engage for 1-2 rotations then just spins until next time I turn key to start, then 1-2 rotations of the flywheel then bendix gear retreats and on and on. when I pulled plugs to check compression bendix will stay out as is when bench tested. It...
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    correct ex flappers

    I have 1995 merc 4.3 with 2 piece elbow exhaust manifold that i need flappers for. Here's the thing , I've read several discussions and the sticky, but am still not 100% which ones are correct. I have the 2 piece elbow /manifold with the one piece batwing exhaust, see pics. I don't know if this...
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    1998 volvo Penta 4.3 Coil

    Does anyone know if i can use An MSD Blaster 2 coil ?
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    Trim affecting engine responce

    Out on the water and all of a sudden the boat starts running a bit rough especially when i move the trim. when i hit the trim switch the voltage reading goes way down and the boat skips like it shut off, even burped through the carb once. seems like its an electrical issue with maybe a bad...
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    mercruiser alpha one gen 2 trim arm rebuild

    Can anyone tell me why there is an extra, large oring in each repair kit? also which way does the piston go in shallow / flat end first or deep end first. Didnt pay attention when i removed them.
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    Trim working intermittently

    1995 Maxum with 4.3 Mercruiser/ Alpha one gen 2. Serviced all the switches and all was well , but now the trim tilt will work strong for a few cycles then begin to slow and ultimately just click after about 2-5 min of operation. Any thoughts?
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    Motor swap

    So i have water in my motor. Its a cracked block from improper winterizing. Out on the lake today and motor starts foaming like a rabid dog , from the valve cover vents. Any way i need to replace the motor with the same or larger one( More fun). Its a 1995 4.3 Mercruiser Vortec thats in a 1995...
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    impeller shaft rubber piece proper installation

    Installing new impeller kit and its not clear which way the rubber seal goes on. it flanges out on one side( not like the original). Does the flanged end go in toward cover or out.
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    confusing info on water shutters:

    Hello, im getting confusing mixed info for replacing the 14348 2.5 X 4.5 mercruiser water shutters. the ones they want to give me have the shaft in the center but my old ones have an offset shaft. thes are from the v6 4.3 mercruiser vortex. Any insight is greatly appreciated
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