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    HELP!!!! new Mercruiser 3.0 and Old 1981 120

    I need a final answer on this topic. I have heard from Bondo that the Mercruiser 3.0 will bolt right in place of an older Mercruiser 120.<br />Is this TRUE of FALSE. TO keep us on the same page I have an 1981 18 foot Stingray open bow with a Mercruiser 120 and Mercruiser 1 drive. Be honest...
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    Is that water I hear??

    Was out with the wife on our '81 18 foot stingray with a mercruise 120 and Mercruiser R drive last weekend. We were both standing in the back of the boat and my wife said "Stop do you hear that, is that water coming in the boat. You can hear water coming in right at the top of the stern drive...
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    Compression Check Help

    Need help form all boat guru's.<br />1981 inline 4 Mercruiser 120<br />I just got done doing a compression check.<br />1# 115<br />2# 120<br />3# 118<br />4# 125<br />They all look good so I did a wet check and found most of them to only rise 2 - 7 pounds psi. My question is the vavle train...
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    The Right Prop??

    1981 Mercruiser 120 4 cycl inboard w/ Mercruiser 1/R stern drive. Stern drive has a sceg. Currently i have a 13 3/4 P19 prop. I get about 3900 - 4000 RPM at 36 or 37knts. Can anyone suggest a prop or does the prop i have go with this setup. Looking for a new prop and getting :confused...
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    RMP Range

    Hello I have a 81 Stingray openbow with a 120 mercruiser setup type R drive. What is the WOT RMP range for this engine. Currently i get about 3900 to 4000 :confused: RPM now. Is this LOW?? I had it out the other day and everything was fine. I was going to go back to the dock and i...
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    Milky Lube in Stern Drive Need Help

    OK I have a type R1.98 Mercruiser Stern Drive. I went to change the lube today and found the lube milky. It did not seem to be to bad. This boat has been sitting for about a year. Can anyone offer some info on this problem? Should i just run the boat a couple of times and change again to...
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    Need Help 1981 Stingray Mercuiser 140

    : Need help-<br />: just bought this boat used, it runs really good but i know nothing about it. Can anyone puch me in the direction to find a manual. I also need a new prop but have not idea what to get. <br />: The boat has a 4 cyclinder inboard with a Mercruiser outdrive. What type of...
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