Search results

  1. H

    Alpha 1 gen 1 vent screw thread size & pitch

    Hi all I want to retrofit a DIY thru hull oil reservoir to my alpha 1 gen 1, so does anyone know the vent screw thread size & pitch please? Any tips on doing this? I remember seeing a mercruiser bulletin about it but can't seem to find it anywhere... Any help is much appreciated. Thanks
  2. H

    Help with 1990 4.3lx 205hp quadrajet rods and jets

    Hi, I have a 4.3lx 205hp v6 and I am rebuilding the Rochester quadrajet 4 barrel. The metering rods in there when I took it apart are 44b and DR secondary and jet is 72 size.... Is this correct? The manal says 0.036 rods with DH secondaries and 0.066 jet size..... Thanks
  3. H

    Help with water in oil

    Hi, I have a mercruiser 4.3lx 1990. Loads of water in my oil and in cylinders 2, 4 and 6, and also number 3. I originally thought it was riser/exhaust gasket so replaced those, but still have the same problem, so I took off the starboard head and there is a hole in the exhaust port of cylinder...
  4. H

    Alpha one gen 1 upper unit lower water seal

    Hi All I am trying to press in the upper unit lower water seat for the lower unit shaft to sit in.... Number 12 on the drawing. I've already ruined one new seal as it didn't go in straight and bent, I don't want to ruin another! I am going to out it in the freezer. but is there anything else...
  5. H

    Which prop/ is this ok?

    Hi I have a 1990 searay 200cc that I am getting back into the water. I have just bought an apollo 14'' x 21p stainless prop as it was a good deal, but reading my boat should have a 13 3/4'' diameter 21p as it has a 4.3lx 205hp.... Will the extra 1/4'' make much of a difference? Will it be...
Top