Search results

  1. A

    200 optimax fun fun

    Working on a 200 optimax. starting serial number 0g38 . New w/p and poppet valve. Anyway you run the boat say 1/4 mile trimmed out 5200 rpm and you will get a horn for maybe 1 second....then stop. Mercury cds shows no actual overheat counters. But low block water psi will cause a horn through...
  2. A

    experienced tech ideas

    So i have a no spark situation on 1996 ``ED'' 40 horse johnson. I performed the charge coil output tests after eliminating the kill wire. It showed I had no output. So i ohms checked it and it showed ok that way. Then i ohms checked the power coil side of the stator and its not ok. So this led...
  3. A

    is it worth it?

    I`m a young tech working for a mercury service center for over a year now. I finished a tech school that teaches you what you need to know to be an entry level tech for omc,mercury,mercruiser, and volvo. Any 5 plus years experienced i/o and outboard techs on here? Just wandering if I`ll ever...
  4. A

    What if thread

    Some what if questions? What happens when you advance timing past factory specifications....just wondering if anyone could give me a advanced explanation of what goes on in the combustion chamber if you advance the timing to far. Im aware of overheat, bearing failure from to many rpms, possible...
  5. A

    Need some specs

    1988 40 hp johnson I need WOT rpm range and maximum spark advance spec. Bought a motor and mounted it on a new boat. Any info would be appreciated.
  6. A

    Swapping shift/drive shaft 40hp jrude lower units

    First I`ll give you my situation. Bought a 1988 longshaft 40hp johnson jl40tccs......clutch dog and reverse gear are rounded. I bought a used lower unit to put back on it but its a short shaft. So I want to change the short shaft unit to a long shaft unit with the shafts from my bad unit. Since...
  7. A

    old honda four stroke

    Hi i have a 1984 honda b100. When i start it up it runs really rough. I checked spark with a kv meter 6500v on #1 and 7000v on #2. I found a free ~~vague~~ manual online and aligned the timing marks with the belt...... Cleaned the carb. Fuel pump seems ok.I was wondering if anyone had a link to...
Top