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    yamaha powerhead

    Does anyone know when yamaha started putting electronic ignitions on their 90 hp precision blends?
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    96 90hp powerhead on 96 85hp intermediate?

    will a 1996 90 hp powerhead fit on a 1996 85hp intermediate/lowerunit?
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    PowerHead I.D. & compatibility

    I have a nice working 75-90 hp powerhead that im trying to find a mating midsection for. I had called yamaha with the serial # on the welch plug and the had told me it was not enough info to give me an aswer on what year/hp it was. I know its a 75-90 because its a 3 cylinder with 10 bolt head...
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    1990 70 etld question about tube coming from lower unit

    Hi. Is anyone familiar with the small hose that comes off the nipple behind the water pump on the L.U. and travels up over the transom and ends in a small plastic insert nipple usually in the splash well? Ive seen them quite often just sitting there with O.B.'s and always assumed it was some...
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    water in lower unit

    Hi all. 1990 70hp yamaha. Got milky gear oil. Did a water pump repair kit and noticed some nasty looking fluid water mixture spit around about the pump housing. I pulled the pump apart as far as the base plate below the pump, but didnt go as far as to pull that plate of as looking around the...
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    yamaha powerhead serial # i.d.

    I have a 3 cylinder 3 carb yamaha powerhead, it has electronic ignition, and the powerhead has 10 bolts, it was suppose to be a 70hp but its to big. I finally found the serial # after searching forever, was behind the starter i believe what i could see is serial # 487457. anyone know what i got...
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    1990 yamaha 70hp control cable clamp

    Im trying to find the clamp that holds the control cables in place after they pass through the rubber grommet into the motor. Thanks
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    do you know this yamaha powerhead?

    does anyone know what powerhead this might be? it was given to me along with an 02 intermediate housing for a 50hp but this block doesnt fit it. powerhead has 10 bolt holes when the int.housing only has 8 for a 50hp. would like to get it put togather but dont know what it is. block is stamped...
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    70 yamaha 1990

    I have a 1990 70hp yamaha that had been sitting around for a few years, its the precision blend deal, i emptied the oil tank and put in new, and eventually got it started, revved up good. i hadnt noticed at the time that i was just controlling the fuel to the carbs and not advancing the timing...
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    1990 yamaha transom bolt size

    Was wondering if anyone knew off hand what size the threads were for the bolts that screw directly into the transom bracket from inside the boat, they would be the lower 2 bolts that holds the engine on. 1990 yamaha 70hp 2stroke.
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    Yamaha Power head ID

    I have a new yamaha power head, i think its a 70hp but im not sure, ive looked it over and cant find any serial #'s on it, it was given to me so i know little about it. does anyone know where i can find some #'s at on it?
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    Teleflex steering evinrude to yamaha

    My evinrude is dead and i just got a 70hp yamaha (mid 90's), i havent got the old motor off yet but i noticed that my steering cable goes thru the tilt tube and my yamaha motor doest allow for that. I know i need new contols but do i need to get a new steering cable 2? Thanks
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    84 evinrude 115 intermitten spark

    Have had issues with my motor not firing on all four. brought it to a dealer who replaced plugs wires coils, no fix, tested timer base and said that was bad, still no fix, i couldnt afford for them to keep guessing so i have it back. There's not alot left, was told the stator tested ok and the...
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    intermitten fire 84 evinrude 115

    I have an 84 evinrude 115 that misfires or quits all togather on the starboard bank. all wires coils & plugs are new and the dealer said that the timer base was bad and replaced that, power packs test good but still have the same problem, idles on all four, put it in gear past 1/10 throttle...
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    1984 evinrude 115

    I have had a problem that yesterday i found to be my motor running on only 2 cylinders right bank came in and out and died completely past 1/4 throttle, i switch powerpacks from 1 side to the other now the left bank runs terriable and the right runs as it should. Before i spend $110.94 is the...
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    85 115 evinrude

    First thanks for any help. Have a mid 80's evinrude 115 that goes about 10 mph max. As usuall it runs great on the trailer. It needed maitenance I had the carbs cleaned and all four "power packs?" replaced as they were beat up and all new plugs and wires. The compression was 1. 100 2. 110. 3. 90...
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    nightmare on the 4th! 3.0 mercruiser

    Hi, 3.0L mercruiser, alpha 1 generation. Got it out to the no wake bouy, felt a pop, like it came out of gear at low rpm, but right after that, lifter noise bad, pulled the dipstick, Chocolate Milk, paddled back, took the exhaust manifold off, looked dry where it should be dry, and wet where it...
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    Starting procedure

    Hi all, I was having troubles getting my 3.0L (89) started when i put it in the water, Bond-o gave me a starting procedure of pumping the gas 3 times then starting @ half throttle- works perfect every time, Thanks, so now when i shut off the boat and the motors hot im having troubles getting it...
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    setting fuel air mixture 3.0L

    Detonation is the problem this year, have set my timing and got my octane up to par, put vents on my dog house and added another blower, going out to test tommorow and was wondering how one goes about calibrating their fuel/air intake setting correctly. any help is better than none at all...
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    3.0 electronic ignition timing

    I just realized my pre-owned mercruiser 89 3.0 has a pretronics electronic igntion when i went to set the gap to time her, i read theres some wire one must ground before setting your timing, i dont see one and was wondering if this was nessacary in my instance. thanks for the help.
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