Recent content by j5ffx

  1. J

    1997 40hp 2stroke wiring diagram?

    Hi, I DO have a manual before you say buy one! but the wiring diagram for this engine isnt in it! My manual is a Clymer 2.5-60 HP 1994-1997. The diagrams in the manual all show a TPM timing protection module in the wiring diagram but my engine hasnt got this! My engine has a rev limitor instead...
  2. J

    slight misfire on #1 cyl mariner 40hp 2stroke

    Hi to everyone, how do i trace this fault? This motor (97 mariner 40hp 2stroke 2cyl 7041203FD) has a slight misfire on number 1 cylinder. it ticks over with a noticable misfire, if i pull the plug off #1 cyl it ticks over very well (sweet). if i pull #2 plug it continues to run but with a...
  3. J

    1997 40hp 2cyl mariner how to test trigger

    Hi, i suspect my trigger is faulty! and i dont know how to test it. i think one or more of the three wires (black=earth, purple=CDM 1, white CDM 2) may have a intermitant break in it. i noticed the outer Braided sleeve is badly frayed just where it go into the trigger unit! i have been trying...
  4. J

    1981 35hp johnson 2stroke gear ratio?

    Hi, i have looked every where on the web and in my manual but i cant find my gear ratio for this 1981 35hp johnson 2stroke short shaft electric start. Does anybody know the gear ratio for this model? cheers jeff
  5. J

    41% slip so i lower the pitch, right?

    Hi, i have a 14ft fish/ski (bonwitco 449) boat with a 1981 johnson 2stoke 35hp fitted with a new 10x13 prop. it will, when i can get it on the plane at WOT 5500revs do 20mph. sometimes it just seem to bog down at around 4500 revs. i used a slip calc and found my slip is 41% which seems high to...
  6. J

    1981 35hp johnson how fast should it go?

    Hi, i have a 1981 35hp johnson 10x13 prop on a 14ft glassfiber boat with cuddy, 2 people on board plus all the electronics., swivel seats, safety equipment etc. A tacho is now fitted and the pulse wire is connected one of the yellow wires and set to 5P. ok, i got the boat last year (my first)...
  7. J

    5HP tappet valve clearance?

    Hi, I have just rebuilt a 2004 5HP four stroke. Does anybody know the correct tappet clearance for this engine? J5RL4SO
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