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    How do I identify my motor

    I have got a mercury motor for reco, I was told it was a 70hp, but it has no stickers to identify this? Looking at it it's roughly the same size in bulk as my 50 yam on the boat now.. The only info I have is....it's a late eighthys or nineties 3 cyl twin carby 2 stk it's s/n is 9526545 and made...
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    heavy gear engagement

    I have a yamaha 50 hp 2 stroke 80,s era percision blend. when engaging forward gear it does so but its a heavy crunch........it runs fine after that. ive recently had the bottom end of to replace the water pump, i marked all the connections so id get it right upon refit. the engine is new to...
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    what is the right fuel oil mixture?

    I have a 1998 BET series yam 55 hp 2 cyl 2 stroke, iv been running it at a mixture of 50.1 as this is what the previous owner said was the right mix and a call to my local yam mechanic agreed iv had he motor for two years and runs good although it can take some starting at times. while...
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    yam 55

    can any one tell me what year is my motor? all i can see on the engine is numbers 663 55BE1 L723777v the engine is a yam 55 hp twin cyl I need the info so I can get the right maintenance...
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    oil deposits in carby

    I have a 70 hp 3 cyl merc 83 model iv just had both carbys and fuel pump serviced all new gaskets and seals used the fuel pump had new check valves and as per q.silver memo..a spring and cap were added. the carbys had new inlet needles and idle mixture srew and spring again new gaskets used. now...
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    fuel pump check valves

    hi does anyone know? iv just replaced my fuel pump check vales on my1983 merc 70 3cyl. but im not sure which way round they go? is there an easy way to tell the manual seems pretty vague. thanks
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    price of parts

    any and all input would be good. Part for mercury engines here in brisbane, to me seem so expensive........eg I was quoted $157 for each carby repair kit for my blueband 70 horse...as i need two it seems a lot..........over $300, then theres the mech bill for the work........I wonder whether its...
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    merc 70 bad starter

    i have an 3cyl 70 merc blueband, which is a pain to start.\ iv changed all the fuel lines.....primer bulb.....fresh fuel........spark plugs.......it will fire up if i spray a fuel mix direct into the carbys but it will only run while it burns that fuel its sat for a while but prior to that it...
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    starting probs merc 3cyl merc

    can anyone one help? i have a merc blue band 80,s model 70 hp 3 cyl.........im having probs starting it. iv replaced all filters fuel lines primer bulb etc,the plugs are wet when i check , but it just wont start up. ive sprayed a fuel/oil mix straight down the carby, then it fires okay but...
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    merc 650 no power tilt

    I have a merc 650 with no power lift, this is done manualy but it is extremely hard to push down as well as lift up. Iv used inox grease all over the pivot points but its still so hard to move......Im no weed, and I make sure its in neutral.......can anyone help as im about to burst a...
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    lower casing oil change on 65 hp merc blue band

    hi, hope some one can help, Iv drain the oil from the lower casing unit and im having problems as to were to fill it up!, I was told to remove the screw marked flush, but this was for the water as i found out!!!!!!! I wont trust this guy again. please can some one help, I m itching to get out...
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