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  1. Texasmark

    gas from exhaust

    I'd start looking around the engine proper for signs of wetness, then wipe and smell to ensure its gas and go from there. You didn't give the age of your engine. If old, leaking rubber is usually the problem. I'm a carb. guy so I don't know what else could be suspect in the differences...
  2. Texasmark

    2005 Mercury 115 ELPTO No Spark

    Get a manual. Then you have reliable access to the whole engine and you can troubleshoot with confidence, not hit and miss guessing or possible errors from people like me!
  3. Texasmark

    2005 Mercury 115 ELPTO No Spark

    Well its supposed to spin fast if working properly as there is no resistance to dissipate the energy being consumed from the battery while attempting to start. AKA no compression impeding rotation. To get spark across the spark plug electrodes you need to ground (attach to the engine block or...
  4. Texasmark

    Swapping to an opti

    I've thought about upgrading my carbed 2002 115 to an injected engine till I read problems on here and other forums with owners writing in with this problem and that problem for equipment that is necessary for injected fuel and control of it and all that which is not a problem with a simple...
  5. Texasmark

    Mercury 115 2 Stroke ELPTO Service Manual

    I got a real nice, new printing, for my 2002 115 off ebay for a decent price.
  6. Texasmark

    Test wheel needed

    What is the shallowest pitched aluminum prop you can find at a marine dealer that has been in business for decades and has a wall full of used props and a box full of thrust washers. How about a 4 blade aluminum of shallow pitch and you cut 2 opposing blades off at the root? Or more difficult...
  7. Texasmark

    Boat Battery Questions - Cranking

    The deep cycle/starting, size 27 battery does exist. Here is an ad for such. Knowing something exists helps you to have confidence that you can find what you want for sale where you can obtain one...
  8. Texasmark

    2005 Mercury 115 ELPTO No Spark

    ebay sells manuals for that engine. I have essentially the same 115, only a 2002 model. You covered everything that I would have suggested so I will suggest you get a manual and start rummaging through the trouble shooting section, or explanation area where they tell you how things work and...
  9. Texasmark

    Questions about purchasing a 1982 75 HP 3 cylinder Johnson

    Yes. I realize that all the rubber will have to be replaced but the main thing is the engine proper....engine overhaul or not is the question! Thanks.
  10. Texasmark

    Deep Cycle Battery not good for starting??

    I bought a John Deere 4010, 75 HP farm tractor once that had a size 27 deep cycle battery (old at best/and the old style, not rated for cranking like new ones) for its cranking battery. Apparently the Previous Owner used that battery to start the tractor here in N. Tx. and I used if for at...
  11. Texasmark

    Questions about purchasing a 1982 75 HP 3 cylinder Johnson

    Thinking about purchasing a boat with this engine. Owners says it needs an impeller. I questioned back to him how does he know this. Did he overheat the engine? Deades ago I was an OMC guy but have been a Merc. guy since. I always was impressed with OMC's Loop Charging process starting back...
  12. Texasmark

    2005 Mercury 115 ELPTO No Spark

    My engine like the same year 90 I had previously is just stator voltage and triggers to the modules and regular carburetors with common linkage. I had thought about maybe one day upgrading to a newer engine with fuel injection and an ECU and all that stuff......but being an old school...
  13. Texasmark

    2005 Mercury 115 ELPTO No Spark

    Ok. I didn't know that I had an ECU (Electronic Control Unit). Where is it incase it crashes and I have to fix it?
  14. Texasmark

    2005 Mercury 115 ELPTO No Spark

    I have a 2002 ELPTO 115. It has individual CDIs, different from older switch box engines. Is the ADI ignition the switch box or something after 2002?
  15. Texasmark

    2005 Mercury 115 ELPTO No Spark

    You didn't say if it spun up lively with the starter, just wouldn't ignite and run on its own. You need about 200 RPM min. to spin the engine fast enough for the stator to develop enough voltage to light off the plugs.
  16. Texasmark

    STAINLESS OR NOT

    Let her rip. I'm surfing this site and others just killing time waiting for the next polar vortex to come down here..due Tuesday thru Friday......can't wait. Ha Ha. I bought my dog a new heating pad, replacing the old one, for her dog house ensuring she will be warm...due tomorrow. She...
  17. Texasmark

    Best shallow water river boat

    In pilings of an "old" removed bridge, I tore half of the mid section off my engine when I was a teen on a river with the sawed off pilings of an old railroad bridge being about 6" below the surface with murky water.
  18. Texasmark

    1981 Mercury 7.5 2 stroke

    Well it looks to me like the stat has to open to get pee. If its sitting on top of the exhaust manifold cover then there is water pressure against it from the impeller. So, the exhaust heats the cover plate which has cooling water on the reverse side with its cover. The whole shebang gets hot...
  19. Texasmark

    1981 Mercury 7.5 2 stroke

    OK, How's that. Doesn't make sense to me for the reason given.
  20. Texasmark

    1981 Mercury 7.5 2 stroke

    On my engines, pee stream has nothing to do with the thermostat. Its plumbed off the exhaust cooling water jacket, Port (left side looking from behind the engine) side of engine and obviously this water supply can't be restricted if you expect it to cool the exhaust while the engine is running.
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