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  1. James_Ketcham

    78 Merc 402 info please.

    serial 4862371, just mounted this engine on my boat and put the muffs on it to try it out, it took about 5 revolutions and it started right up and idled fine, there was however no water out of the tattle hose. it ran about 10 second then i shut it off. pulled the lower unit, checked the impeller...
  2. James_Ketcham

    1979 140hp Tach issues

    So i'm wiring up the engine to the boat which is a 1979 Mark Twain Vsonic and I notice a few issues. first being on the back of the tach has a selector 1 2 3 4, which i'm assuming is for the number of cyl of the engine. My 140 is a 6 cyl. So i'm looking at the factory service manual for the...
  3. James_Ketcham

    1979 Mercury 140 wiring diagram

    recently acquired a 79 140hp outboard to put on my boat and almost every wire on the engine has the insulation crumbling off of it. so I need to rewire the whole engine. does anyone have a wiring schematic for one of these they could share? Serial number is 5190360 if that helps. Thanks for any...
  4. James_Ketcham

    what is the part number? WMB-1 Carb

    I have a 1984 Merc 9.8 and the venturi ( which is plastic ) just fell apart in pieces. I see it on all the boat sites as part number 19 in the diagram but says not sold separately, but doesn't say what you need to get one. I surely do not want to attempt to glue it back together for fear it will...
  5. James_Ketcham

    1962 Johnson rx-10 c questions

    So today I got new coils, points condensers for the old girl and put it all in. set the points and made sure nothing was interfering for the flywheel. I took the bowl off the carb to be sure there wasn't any layers of varnish since this engine has sat for countless years and to my surprise it...
  6. James_Ketcham

    What is my Mercury actually?

    Although this should be a simple question if you have a serial number and / or a model number but... every site i go to that asks me for my serial number says that doesn't exist.. so here is what i have... the Hood on it shows it as a 9.9 Mercury ( with no other labels... here is a picture of...
  7. James_Ketcham

    1962 Johnson rx-10 c questions

    First off i'd like to say I am a Marine newb. I do not know much of anything on boats per say but I've been working on engines, cars, trucks, small engines, and ATV's for 30+ years. I recently inherited my late boss's Caravelle Baracuda 4 ( 1975 ) and on it were 2 engines, a 1994 mercury 9.9 and...
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