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  1. JohnnyGuy

    Sierra Spark Plug Boot Fitment to Champion Plugs

    No sir. That's not the problem. I liken the situation to trying to force a 1-1/4" diameter metal rod into a 1" diameter rubber housing... Yeah you can do it with enough coaxing but it's really not meant to be (IMO anyways).
  2. JohnnyGuy

    Sierra Spark Plug Boot Fitment to Champion Plugs

    The inside diameter of the boot is too tight for the plug. I have FORCED a boot into the plug but it's MUCH tighter than what I would consider normal. When you remove the boot from the plug you get one heck of a loud *POP* and it's not easy to do. The photo I attached is where the I.D. of the...
  3. JohnnyGuy

    Sierra Spark Plug Boot Fitment to Champion Plugs

    I've attached a Photo and below is the correspondence between the shop I purchased the boots from and Sierra. Shop: I sold a customer part # 18-5750. It is to small to fit over the spark plug. The OEM part number is 581027. Do you think it is packaged wrong or have you had other fitment...
  4. JohnnyGuy

    Sierra Spark Plug Boot Fitment to Champion Plugs

    Hi all, I purchased a 10pack of Sierra Spark Plug Boots (18-5750-9) after running some new plug wires only to find out after I'd had them installed that they do not fit over the recommended J6C plugs that are called for. Has anyone else noticed a fitment issue with these boots onto Champion...
  5. JohnnyGuy

    74-76 - 9.9/15HP - Setting Timing when Flywheel has Multiple Marks

    Did just this, when the FW was at TDC the marks were on the "R" from the FW.
  6. JohnnyGuy

    74-76 - 9.9/15HP - Setting Timing when Flywheel has Multiple Marks

    Thanks very much for the informative reply. I'll check it out this weekend!
  7. JohnnyGuy

    74-76 - 9.9/15HP - Setting Timing when Flywheel has Multiple Marks

    Hi all, I was recently doing some ignition work on a ’74 Evinrude 9.9; cleaning the points and setting the timing. I was setting the timing with a multi-meter. Throttle was fully advanced and I was adjusting the points to open when the mark on the flywheel was in the middle of the two marks on...
  8. JohnnyGuy

    6hp Mercury - Model #?

    Was able to get this on the stand this weekend and get the serial number off the power head. From this and a search on the google machine, I was able to determine that it is a ‘94 model 1006201PD. Symptoms are rough idle, trouble starting and would often quit at low idle. I’m suspecting the...
  9. JohnnyGuy

    6hp Mercury - Model #?

    Thanks.
  10. JohnnyGuy

    6hp Mercury - Model #?

    Photos attached. Will get some under the cowl shots this weekend if that'll help.
  11. JohnnyGuy

    6hp Mercury - Model #?

    Hey all, I've got a 6hp Mercury ~Early-Mid 90's. Where does mercury put their model #'s? There is NOTHING on the transom bracket anywhere? Should there be? Is there somewhere else on them that may indicate model number, or serial number even? I usually deal with older Johnnyrudes but am taking...
  12. JohnnyGuy

    1960 Evinrude Fastwin Timing Marks on Flywheel?

    Hey all, I have a 1960 Evinrude Fastwin that needed some ignition work. I am ready to reinstall that stator plate with the new ignition parts installed. I was looking for marks on the flywheel so that I could complete static timing on it while putting it all back together. I have attached...
  13. JohnnyGuy

    3hp Fuel Tank Cleaning

    Hey all, I have a '53 Evinrude Lightwin that I have been working on. On Sunday I decided to clean the fuel tank. There was gelled fuel in it when I went to empty it small pieces of solidified fuel came out. I emptied as much of it as I could. I then put in about 2 cups of undiluted simple...
  14. JohnnyGuy

    Johnson 1976 15hp; Exhaust Tuner and Reed Shim Update?

    Hey all, I have a 1976 15hp Johnson (15r76a), which I currently have the powerhead off of to replace upper thrust mounts. I have a '87 15hp parts motor on hand and was wondering if it would be worth it to change out the stock square exhaust tuner for the round one found on my '87 parts motor...
  15. JohnnyGuy

    Interchangeable Evinrude/Johnson & LawnBoy Parts Resource

    Hi All, My brother restores vintage LawnBoy mowers and we have noticed that some of the parts for the LawnBoys are exactly the same as some of the parts from the 2hp outboards... For instance the starter pull handle for the 2hp outboards (311372 - (up to 1976)) is the exact same as what is on...
  16. JohnnyGuy

    9.9hp/15hp - Upper Thrust Mount - Rubber Durometer?

    Hi All, I am in the process of creating some 3D printed moulds to pour some new polyurethane bushings to replace the worn out rubber ones for these upper motor mounts (P/N 386033 --> 436469). I'm wondering if any of you might have a guesstimate as to what durometer the original rubber mounts...
  17. JohnnyGuy

    9.9/15hp Upper Mount Dimensions

    Hi All, My '76 Johnson 15hp needs new upper motor mounts. I was reading Leeroy's website and he did a DIY mount where he cut out the rubber from the mount and used another OMC bushing with a custom machined shaft. I've also been reading some other posts where people have used different car...
  18. JohnnyGuy

    '78 Evinrude 2hp w/Nova II Ignition

    Bought this unit for $100. Had good spark and good compression. Needed a carb clean. Pulled the flywheel to clean and check points before selling and I was greeted by a Nova II ignition module, no points and condenser. I don't know much about them. I did some quick searches and seems as though...
  19. JohnnyGuy

    2019 Mercury 9.9hp or '76 Johnson 15hp?

    Good day all, My brother-in-law and I currently have a 12' aluminum and we are looking to upgrade to a 14' aluminum for some additional "elbow" room. My brother-in-law and I are the primary users of the boat, mostly for fishing (most of which is trolling for Lake Trout in South-Central...
  20. JohnnyGuy

    4.5hp Tilt Lock Knob (How-To?) E5RCIC

    Good day all, I recently purchased a 1981 Evinrude 4.5hp w/integrated fuel tank (E5RCIC). I went to put it on my stand to check it out and I noticed that it's in it's tilt lock position. This is my first 4.5 and I've read that the tilt lock knobs are often broken... Well, this one is broken. I...
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