Search results

  1. C

    Stator question on 1976ish mercury 1150

    A 1976 Merc 1150 would have distributor ignition. The stator would serve to charge the battery only. The switchbox is powered by the battery. You can change the stator only, if it is bad. It does not directly affect spark. A lot of those motors have wiring harnesses that are falling apart...
  2. C

    Tilt trim wiring

    Solenoids can be energized by about 3A. The PTT wiring in the controller should be sized to handle that. So are we clear now? 3 wire PTT motors use solenoids. There is no reason to use relays. 3 wire motors have two windings with a center ground. The unused winding in a 3 wire motor is...
  3. C

    Fuel thread sealant

    I used this on leaky gaskets on my fuel tank. I would expect it to work on threaded connections. https://www.permatex.com/products/gasketing/gasket-sealants/permatex-permashield-fuel-resistant-gasket-dressing-flange-sealant/?locale=en_us
  4. C

    Fuel thread sealant

    Permatex II and III (aviation) are gasoline soluble. You do not want to use them for fuel fittings. Permatex does make a gasoline-resistant gasket dressing. I would suggest that. I found it at a local Autozone.
  5. C

    sparking sound when idling

    Do you mean carb intake, when you say air port? Not sure how water could get there. If the block is not cracked, water can only enter via the crank seals or via a leak or hole in the exhaust baffle, or inner exhaust cover. You should be able to see holes in the baffle or inner exhaust cover...
  6. C

    Tilt trim wiring

    3 wire trim motors usually use solenoids. They do not need relays, although, I think you could get them to work. However, I do not see the advantage of using relays on 3 wire PTT motors. Most newer PTT motors are 2 wire. Relays are required for these to operate. When you buy these for an...
  7. C

    sparking sound when idling

    Water in the bottom 2 cylinders is often due to bad crankshaft seals. These are easy to replace, once you pull the powerhead. As for the ignition wires. They need to be solid wire. The original wires were stranded stainless steel. I have heard of replacements being stranded copper. If you...
  8. C

    Tilt trim wiring

    Relays and solenoids are a bit different. Relays connect wires when energized and when not energized. That is ground is connected to the trim motor when the relay is not powered. When the relay is powered, it connects power to the trim motor. Relays use a 2 wire trim motor, where polarity...
  9. C

    sparking sound when idling

    Those old "Tiger Tail" spark plug wires can arc to ground. That seems like what you are hearing. They were avail for $6 or $7 each, but you had to install the spark plug spring connectors and boots. Pre built they were $20 each. Try one of those old merc web sites. You may get a link by...
  10. C

    '95 Twin Johnson 175's

    Air can leak into the gasoline line, even though gasoline doesn't leak out. I would look for an air leak at the main strainer under the airbox, followed by any filters and metal fittings on the gas line. The main strainer has an oring plus a gasket. make sure both seal. Another potential...
  11. C

    '95 Twin Johnson 175's

    Is the port engine smoking more than the stb? The OMS pump on those motors will mix more oil if there is an air leak in the gasoline line. Are all the port spark plugs the same color as the stb ones? If not the carbs may need attention.
  12. C

    1984 Mercury Trim Question

    The trim brackets should be bolted to the transom clamp, so the engine and trim cylinders can come off as a unit. However, that requires that you unbolt the hydraulic lines. You would need to bleed them upon reinstall. The threads where the hydraulic lines connect to the trim cylinders strip...
  13. C

    1984 Mercury Trim Question

    The advantage of those trim systems, is that there is no limit to which you can trim them under full throttle. Newer units have a hard limit for trim. However, you need to be careful that you do not trim them where the water inlet sucks air. usually the prop will ventilate before that...
  14. C

    Installing new decking question

    Carpet over enamel (or any paint) will rot the deck out in short order. What size boat requires 10 gallons of poly resin to seal a deck? I needed almost 1 gal to do my 16 footer. My 21 footer would need maybe 2 gal.
  15. C

    Sierra Upper mounts

    I actually had the opposite fear. The OEM has aluminum bands and insert, that the Sierra did not. I was afraid the rubber only mount would be weak. So far my fears are unfounded. The rubber only mount may not last the 25 years that the OEM mount did, but that's OK. Actually the OEM mount did...
  16. C

    1988 Bayliner Capri No Spark

    This is really an engine question. You should post it in the Force motor forum.
  17. C

    1997 Maxum Bowrider I/O V8 want to replace carpet with fishing friendly alternative

    There is textured marine vinyl flooring available. Even Westmarine sells it. You stick it down with glue. I had a boat with it from the factory. It was very wear-resistant.
  18. C

    Installing new decking question

    A fiberglass coating, plus cloth on the decking is much more durable than paint. Most decking is 1/2 plywood. Why are you using 3/4" plywood? I like to use pressure treated plywood that has been dried. Also, polyester resin and medium mat is just fine for sealing the decking. As the home...
  19. C

    Sierra Upper mounts

    My Sierra mounts were solid rubber. They took some searching on the internet to find them. It looked like e-Bay and Amazon only had 1 between them. I found them at some less popular website. If yours are solid vinyl, they might be OK.
  20. C

    Bottom paint over topside paint

    A boat can stay in water for a week without antifouling paint. After that she will start to get some moss/grass/slime buildup. In your case, I would not bother with antifouling paint. You can use topside paint on the entire hull, if you like. Topside paint will not blister until about 72+...
Top