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  1. jwsimmons

    Wiring Harness Dislodged 2018 Mercury 115 hp

    The serial number is 2B509415. I'm not sure where I'm looking for the assembly diagram? It screws into the harness which is then bolted to the motor. Even with the heavy threads it still pulls out. A good plastic to plastic adhesive might work. Epoxy?
  2. jwsimmons

    Wiring Harness Dislodged 2018 Mercury 115 hp

    Hello all, Does anybody have a remedy for this (see pic)? I bought the boat/motor only 4 months ago and every time we take it out the corregated wiring conduit becomes separated from the harness and the wires/fuel lines become exposed. I have reattached it 4 or 5 times now. While I'm getting...
  3. jwsimmons

    😲 2006 9.9 hp Merc.... Hit Rock Full Throttle 😩

    Hello, I was motoring downriver today in an area I'd never been before. I was running the throttle wide open when suddenly we hit a rock pile barely submerged under the surface. It jerked the tiller out of my hand and kicked the motor up 2 notches. There was absolutely no indication it was...
  4. jwsimmons

    CARBURETOR WOES 1967 9.8hp Mercury 110

    So, where do I start? First off, my engine was running poorly so I checked the fuel filter and it was horribly clogged. When I took the filter cover off, I accidentally broke the paper gasket. After realizing how old and brittle the gasket was (probably original), I decided it would be best...
  5. jwsimmons

    1967 Mercury 110 9.8hp...stuck in foreward...lower unit trouble

    I have a couple questions about the impeller/lower unit. 1. I recently changed the impeller and when I put the lower unit back on the motor and went to the lake, it was stuck in foreward. Even when I changed the switch lever over to neutral and reverse, it was still in foreward. I took the...
  6. jwsimmons

    An ODD Engine valve question

    I am working on an old Yamaha dirtbike and know this site has some great versatile mechanics on it. SO.... I figured someone may be able to give me a general answer based on internal combustion engines. THE QUESTION: I have a valve clearance GREATER than the recomended width on both INTAKE...
  7. jwsimmons

    Honda question

    I'm just curios, I rode a Honda jetski a few years ago (I think it was a 2004 or 2005 model). I want to say it was a 1200 cc engine or there abouts. Does that sound right? The boat was a 3 seater. Does anyone know the top speed of those?
  8. jwsimmons

    1985 merc 3.0 liter..... *starting troubles*

    I just bought my boat and the last two times I have been to the lake I have had to spend 10-15 trying to get my engine to even fire. I have had to play with the carburator and eventually Iget the engine to run. Once the engine is warm it runs great and I have no troubles starting it again if I...
  9. jwsimmons

    Evinrude Lightwin

    I have a Evinrude Lightwin outboard motor with a folding shaft. I am looking for the year of the motor and a confirmation the motor is a 3hp. Model #: 3602 E Serial #: E10749 Thank you
  10. jwsimmons

    spark arrester & fuel filter

    I just took my spark arrester and fuel filter out off my 1985 3.0 mercruiser Alpha one. I was planning on cleaning the spark arrester and thought I'd ask for an opinion on what to use. Also where could I get a new fuel filter? Thanks
  11. jwsimmons

    Why?

    This is a question for all you real brainiacs out there. Why does the performance of propellers change with elevation? What is the science behind it?
  12. jwsimmons

    Skeg replacement

    Has anyone ever had a replacement skeg welded on to their outdrive? Is it risky in any way to your gearcase and how does it compare to a skeggard?
  13. jwsimmons

    General Prop questions???

    I have a 16" diameter x 17p prop for my boat and would like to know what the outcome would be if I went down a inch or two in my diameter. In general, is the lower the number of pitch, the more low end power. I'm looking for something I can pull skiers out of the water easiest and have been told...
  14. jwsimmons

    Mercruiser 181 3.0 problem

    I just bought a boat with a 3.0 liter 181 mercruiser engine by GM. The day after I brought it over into my cold climate I was told you need to pull the freeze plugs on I/O's during cold weather. Me being new to I/O's didn't know anything about it but found the freeze plug and pulled it. No water...
  15. jwsimmons

    mercury 65 year and weight unknown

    Could anyone tell me the year of a 65 hp merc with serial # 1542972? I am looking to put it on my 1959 14 foot lonestar boat (which has a 1959 35hp johnson super seahorse on it) but I have a feeling it might be too heavy for the boat. Would anyone happen to know the approximate weight of the...
  16. jwsimmons

    1959 35hp Johnson

    I have a 1959 35hp Johnson Sea Horse that was my grandpa's. I had it running a few years ago but after two or three times out on the water, It would break down. I gave up on it after this had happened a few times. I'm finally getting beginning to gain the confidence of working on it myself...
  17. jwsimmons

    outboard identity

    I have a few older evinrude motors that are missing lowerer units and cowlings. I'd like to part them out but all I have is serial numbers and no way of knowing what they are. How is it everyone uses serial and model #'s to identify motors? Do you have to have a model booklet or are there...
  18. jwsimmons

    Evinrude 3hp lightwin

    I just bought a 3hp Evinrude lightwin with a breakable shaft. When I bought it the guy told me that it run but the impeller needs fixed. I took it apart and the impeller looked fine there were no missing flaps or cracks in the wheel and the rubber wasn't dried out. I put it back together and...
  19. jwsimmons

    merc 9.8 & 7.5

    I bought a 1971 mercury 7.5 hp (75 model) from a garage sale the other day. I would like to know if the lower unit off that can be put on a 1967 merc. 9.8 (110 model). Probably not but if anyone knows, I'd appreciate advice. <br /> ^thank you
  20. jwsimmons

    compression

    Does anyone know what a normal compression reading would be for a a973 4hp johnson. I tried and got 45 psi. I thought maybe this is a little low but I'm probably or at least hoping I'm wrong. Thank you
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