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    add oil into trim hydraulic pump

    Mercruiser 260 5.7L s/n 6846787 Stern Drive Alpha One s/n 6847830 I checked the Dip Stick on my Trim Hydraulic Pump and I need to add oil (10W30). Does the Stern Drive needs to be full down or full up when adding oil? Than You
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    Why is that ?

    1984 Thundercraft Magnum 230 Engine: Merc 260 (5.7L) serial 6846787 RPM 4200-4800 Stern Drive Alpha One serial 6847830 I just bought a new Black Max new design prop with a Plastic Hub Kit to fit my Stern. I do not have to P/N since it is not on my bill but; 4.25'' dia x 21 pitch (new...
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    New Thundercraft Owner

    Good day, I just few months ago purchased a 1984 Thundercraft Magnum 230. I am pretty happy with the deal but I have'nt test drived it yet. A survey was available with boat and I had it verified (electronics & mecanics, motor) before closing the deal. All is OK. I have a few question in...
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    Smart Tabs on 24 feet boat ?

    Good day, I've installed Smarts Tabs on my 18 feet boat at the start of this summer. I was very happy of the performance of the ST. I have sold my 18 feet boat and bought a 224 feet cuddy with a Merc 260 hp V8. I want to install Smart Tabs on it and I was suggested by Nauticus the model...
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    MR Cylinder O'Ring Kit

    Good day, I have a MR Drive serial 5488571 1.50R Mercruiser 898 on my boat. I need to replace all the O"rings in one cylinder (I will replace on both). I"ve taken the cylinder apart because he was very slow movement compare to the other one. I've cleanned it and reinstalled it. Now both...
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    Am I allowed more RPM ?

    Good day, I am confused when reading some messages about Mercruiser 305 RPM's. There must be different engine version then mine ! I have a 1980 Merc 898 s/n 5452697, on the engine there is a sticker that reads MAX RPM 3800-4200. I read posts about 305 RPM's up to 49-5000. When talking to...
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    What type of knots should I be using for ?

    Last year was my 1st boating year. I had lots of fun and I am looking foreword for the next one. Being an novice on all ''boating environnement'' I have lost 2 fenders and my anchor. The fenders that was in the boat (18ft) when bought was the type you insert the fender line throught the fender...
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    can I put diesel oil in my engine ?

    good day, 1980 Mercruiser MCM 898 (305) V8 s/n 5452697 I was told yesterday by a mecanic tech that I can put 15w40 diesel oil in my engine because it's old and diesel oil will better lubricate the engine. He recommended SHELL diesel oil. Does it make any sense ? Louis
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    MERC MCM 898 s#n 5452697 do I have a choke?

    Good day, When starting my engine (cold) I find it to run rough for 15 to 30 seconds, until RPM starts increasing. Then it runs like a charm. My engine starts on the first click all the time. I was told buy the ex-owner to always full throttle once, then 1/4 throttle, then turn the key. He said...
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