Recent content by Fish mojo

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    Plugs and parts

    What spark plugs and gap work best on a 91 4.3 2bbl, Thunderbolt ign. I went to buy some today and got 3 different recommendations. Also, what engine oil?
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    prop selection

    1991 4.3 alpha one, 19' spectrum alum v hull. I have a 23P hi-5. run 4400rpm at 38mph. Is this the right prop? At idle speed in gear it does this weird back and forth directional change- let go of wheel and it turns to port for 20 feet, then corrects and goes tostrbd for 20 feet,over and over...
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    T9.9 cold blooded

    92 T9.9 is just cold blooded. I have to remove the cover and feather the air inlet with my fingers until the initial start, then works great. I've replace the "choke" device- no luck. Any ideas? Also, the fuel I have tapped off the main fuel filter separator. After trolling 10 minutes, it...
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    Mercruiser tilt trim

    My reservoir for my mercruiser hydraulics has milky oil. I changed it once with a transfer pump and put in clean ATF, thinking it might have got moisture over winter. Well, its milky again. I think the seals on the rams are leaking.<br />What does it take to re-seal the rams?? is this a DIY job?
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    T9.9EXHQ Choke

    Motor doesn't seem to choke on cold start. I partially block the air inlet while turning the motor over and it fires. Once warm runs smooth. The carb is clean- low hours on motor. Any ideas?
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    Alternate Mercriuser Fluids and Parts

    That black label keeps getting spendier and spendier. I have a 1991 4.3 w/alpha one. What can I use for alternate (less expensive) than Mercury that will do the job satisfactory.<br /><br />Engine Oil- weight and code (SJ?)<br />Oil filter-<br />Water separator filter-<br />Power steering...
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    YamahaT9.9EXHQ lower unit (1992)

    I received this motor with the lower unit off. When it was separated, the water tube grommet came off with the tube out of the upper unit.<br />I can't seem to get it back in- too small to get my big hands in there. Also for gear oil and 4 stroke motor oil does stock oils work or do you pay the...
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    Shop manual

    Looking for a shop manual and owners manual fo 92 Yamaha 9.9 4 stroke.<br />Something othe than Clymers.<br />Any ideas?
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    Heat exchanger

    My 1991 4.3 Alpha1 currently has raw water cooling. I would like to change to a closed system with a heat exchanger. Any good source on parts and what is involved?
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    1991 Yamaha 9.9 4 stroke

    I am looking at buying a 91 9.9 4 stroke. Are these good engines? What are the common problems to look for?
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    1976 Johnson 9.9 Cooling problem

    I put in a new water pump kit. Prior to I was not getting any flow out the exhaust port at the bottom. After putting the kit in, still no flow. I ran it in a tub of water, deep enough cover the inlet ports, but still see the outlet. The engine runs good. I used an infra red thermometer to...
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