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    changing bottom end on merc 650

    Just looking for some advise on swapping lower end units. I have a 1968 650 merc outboard serial number 2353641 which ended up with a destroyed bottom end, which I would not like to discuss. I have found another 650 merc that is a 1970 serial number 2807208. I plan to swap bottom ends, i just...
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    No impeller O-Ring?

    I have a 2000 vp 5.0 GI , I replaced the impeller for the first time, and it was original. I could not find a rubber oring, as a new one came in the box with the new impeller, and all instructions say to replace it. The new rubber oring didn't seem to fit anywhere. Put everything back together...
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    Insta Trim Tabs

    I have a 20 foot Regal, today while slow trolling (fishing) , had my trim tabs all the way down (to possible help slow me down), any way the right switch stuck forwards, and we trolled for probably an hour, with this tab pushing down.(pump pumping) I noticed it, and stopped it, and brought the...
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    Getting hot with earmuffs on

    Just getting 20 foot regal with 305, merc alpha 1 (1989) ready, put on earmuffs and let engine run for a while at just an idle, after about 15 min, i noticed the temp was getting high. I normally don't rev the engine when its on the muffs, but decided to give it a tad above idle, and the temp...
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    Marine Spark Plugs?

    I have a 1988 5.0(305) which I am putting new spark plugs into. The plug numbers i got were "Champion - RV8C", NKG-BR6FS, and a couple more listings. When I went to parts store to get them, I noticed that they were all automotive plugs. Now I am just wondering if on these engines that you just...
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    Over Heating

    1988 305(5.0) alpha 1 , Replaced the impeller in May. Since then I have put about 20 hours on the boat, and everything great, boat ran great. Boat sat on my drive way for about a month, been busy, and could not use it. Went out today, immediatly had trouble with overheating when i put it in...
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    Garmin 76 GPS

    I am looking at the Garmin 76 gps. It is reg price of $329 at Canadian Tire, and it is on sale right now at about $160. This is a hand held unit, and I would use it only for boating. I have a GPS allready for my car (a garmin also). I know nothing of these hand held units, and was hoping that...
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    Hyd Brakes Hit Hard

    I have a 1989 20 foot Regal with an Eagal tandom trailer. It is a nice trailer and all, but ever since i bought it, when applying brakes, the trailer bangs forward. Now i know it is supposed to move forward, but i would think it would be a little smoother. I have never had a trailer with Hyd...
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    Changing Gear Oil

    I have a 1988 Mercruiser, Alpha 1 (With a 305)(5.0). Upon looking at changing the gear oil, i only seem to see a botton drain plug, and cannot seem to see a vent plug. I have had many outboards, but this is my 1st inboard. I wanna change the oil, but am i just not seeing the vent plug, or is...
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    Starting Trouble

    I have a 1989 305(5.0) Mercruiser- In a 1989 20 Foot Regal. When i turn the ignition, sometimes the engine cranks over great. And other times i just hear the single click of the solonoid on the engine. I have new batteries, and know it is not the batteries. I took off the wires to the ignition...
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    305-Mercruiser

    I just purchased my 1st boat with a inboard engine, I always have had outboards. I have a 1989 5.0(305) Mercruiser. I was just wondering (1).what engine oil this engine would take, (2)should i change the impeller immediatly, and if there are any things to keep an eye on. Thanx. '
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    Swaping Bottom Ends

    I have a 1968 650 (65) Merc Serial number 2044532 (not positive on it), now I need a new bottom end, it has a small crack in casing. Been dealing with it, but i have a buddy of mine who has the bottom end from a 1978 402 (40) Merc and they look identical. Serial number to the 402 is #5041484...
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    150 start trouble

    I have a merc 1979 150hp. When starting, sometimes i hear just a click,(like a dead batter) and i have to keep turning the key on and off and fighting with it to get the starter to engage. Battery is brand new, and charged up. The ground wire coming from the battery gets very hot, could amost...
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    4.5 Johnson Pull Start Trouble

    I have borrowed a friends 4.5 Johnson, pulled it 3 times to start it, and now the cord will not roll up. Just wondering if i have to tighten something, or borrowing this little engine is now gonna cost me some $$$$ And help would greatly appriciated.
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    Johnsen

    just bought a 4.5hp johnson, was told was a great motor, doing some tuning up, was wondering if anyone knew the spark plug gap for it, the model # is J5RCSS...... serial # 8083785. spark plugs are L77JC4 i think this is a good motor, just using it for trolling, on my 18 foot formula. any info...
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    1500 merc bogging

    I have a 78, or 79 1500 merc #7093365, i rebuilt the carbs+fuel pump, new floats. When it had been running slow, (like when idling from boat dock), and i go to give it fill throttle, it bogs, and sputters,and smokes so when it does this i pull it into neutral let it idle for about a minute, then...
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    getting a shock at gearshifter

    I have a 1968 650 merc, on a 15 foot aluminum starcraft. I recently have started getting a shock when i touch the gearshifter with one hand, and touch any bare aluminum with the other. Recently i have pulled off the distrubuter cap to clean it, and noticed where the screws hold the cap on was...
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