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  1. K

    Proper gap on plugs?

    I recently purchased new plugs for my 15 hp 2 stroke (88). I got the NGK equivalent of the champions i had installed. The question i have is does it matter if i am running at one higher element of heat rated plug? For some reason i cannot get the NGK plug that NGK recommends when you go here...
  2. K

    does my needle have a seat? 88 merc 15hp

    I recently cleaned out my carb and was wondering if my fuel inlet needle is supposed to have a seat. The needle has the rubber coating on the end of it but no seat in hole? i dont have manual yet but am wondering if anyone would know? It may have fallen out when taken apart. fuel is flowing...
  3. K

    Props on Ebay, and what pitch to choose?

    Hi there i am lookin at replacing my rough lookin prop. I have found a few good deals on ebay but am unsure about a couple of things. I know the part numbers, and i know that in the merc book it shows two pitches available for my 15 hp merc (88). I can get either a 9x9 or a 9x10.5. I am not...
  4. K

    Is this flooding or what causes this???

    I got a 1988 15 hp 2-stroke merc. i dotn know what happened but out of the blue since the last time i used the boat it will not idle. i am in the process of replacing plugs(tonight). But it always started on first or second pull. I took the cowling off and after like 20 pulls i cna get it to...
  5. K

    help anyone .....merc 15hp

    Hi i am watching a prop on ebay that is ending soon. I really need a new one and i havent received my manual yet so i cannot figure out one thing. How many splines my prop presently has. I am at work with no way to check it before bdding is over. Its a 9x9 with 8 splines on ebay. I know i...
  6. K

    flushing lower unit and oil change??

    Hi i want to change the lower unit oil and flush it afterwards before i put new oil in. What product should i use to flush or is this recommended or possible? I would like to be able to do this all through drain plaug and vent hole. It s on a 1988 15 hp merc. Basically everything seems...
  7. K

    Props on iBoats?

    I know many of you recommend getting replacement props of this site but i have a question. I have a 1988 15 hp merc. When i go and enter all that info on the site these are the options that come up: Mercury Outboard Engine Search Results Year(s) Horsepower Engine Description 1976-1981...
  8. K

    Will this item fit my 88 merc 15hp.....

    Hi will this hydrofoil fit my 1988 15hp 2 stroke merc? http://www.iboats.com/mall/index.cgi?keywords=hydrofoil&session_id=146805126&cart_id=389998539&list_time=1156425856&view_id=47761
  9. K

    Performance of two boats different shafts..

    Hi, was just looking to get some info on performance results on two different boats with two different motors/shaft lengths. My friend and I each have acquired new boats/motors. Both with unique performance issues. At time of post i havent yet measured the shaft/transom heights but will be...
  10. K

    1986 mercury 15 hp???? Need help determining year!

    Hi i have a 15 hp merc which i beleive is a 1986. This is the serial number 0B339198 Can any one verify that this is a 1986 model. I presently dont have a manual but i have a seloc on the way. Any help would be great.
  11. K

    tiller arm and throttle control on 86 15hp merc

    Hi, i notice that my throttle control seems to be quite loose as well as the tiller arm. First is there any way to tighten the tiller arm without pulling the power head off? And second when i switch into gear there is alot of play between F/N/R , then when it does finally catch the throttle...
  12. K

    1986 15hp Merc from Ebay

    Hi there, I am new to these forums but am quite amazed at all the info available. I just recently purchased a new 15hp mercury outboard from ebay. I am wondering if anyone can giv me some tips on what preventitve maintenance is houdl perform on the motor before i take it out on the water for...
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