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  1. Texasmark

    Solenoid clicking.

    That's 10 across the hot terminal and case of the starter. A clicking solenoid is caused by the key switch telling the solenoid to energize. It does and sends current to the starter. The starter starts sucking on that current but the battery cannot supply the necessary probably 100 amperes...
  2. Texasmark

    1986 mercury 115 2 stroke inline 6 bogging at full throttle

    5/16 will run a 115 and probably a similar 125. 3/8 on larger engines. With what you said and the history of the interconnecting fuel line and bulb your fuel filter should be full of particles. Change it and cut the old one open.
  3. Texasmark

    1986 mercury 115 2 stroke inline 6 bogging at full throttle

    You didn't mention an onboard (the engine) fuel filter. Even if it was changed I would replace it with what I see in the last picture. One thing you didn't mention that is an easy try is to squeeze the primer bulb in the fuel line when it wants to bog. If it recovers you have restrictions...
  4. Texasmark

    Should the prop have any play

    Brain fart!!!! Sorry. On the amount my serv. man. for my 115 is 55 ft-lbs. He said he had a 120.....close enough for me.
  5. Texasmark

    better to be at the low end or top end of RPM?

    My take, on pressed in rubber hubs, is that the shock is mitigated by the rubber interface. I had one plastic/brass replaceable insert hub prop and it had no room to give. It didn't stay long on my engine.
  6. Texasmark

    Prop recomendation for mercury bigfoot.

    Prop shop time for you. Prop shops sell and repair props. They also can have a loaner plan whereby the purchaser tests a prop and if its not right, they talk over the change necessary, you test the suggested prop and if it works you buy it. 2 caveats to that: Prop will be more expensive than...
  7. Texasmark

    Should the prop have any play

    The lower unit contains an "overrun clutch" that is a saw toothed set of gears that allows the engine to slow down when decelerating but allowing the prop to follow the forces acting against it, by flowing water, as the boat slows. As the F gear (only has this function) and the "clutch dog"...
  8. Texasmark

    Raising the Transom?!

    Well if you had a 15" stock OEM skeg on your engine you wouldn't need to jack ut up 5" to accommodate your 20" OEM skeg. Since you said you are doing the whole transom, it will all be one piece and you won't have to worry about the strength of a joint there as you would if you were just...
  9. Texasmark

    Raising the Transom?!

    You have a 20" skeg engine on a 15" transom. 5" is your number. What you have will run but performance will be hindered by too much skeg in the water producing unnecessary drag. Also that extra 5" will put you in the mud, or catch on logs, or moss or lilly pads etc. Make a pattern of your...
  10. Texasmark

    Decarbing Yamaha 2 stroke with Seafoam

    Decarb procedure should have numerous answers on any www search engine. Just type in the word. Years ago, when a lot of the old salts that help to make this site what it is today, were able to participate, it was talked about frequently on here and the archives should be full of...
  11. Texasmark

    12' Pontoon/Fishing boat nose diving issues!!!!!

    I would think that once underway, any water in the tubes would move to the rear making the boat stern heavy, not bow heavy....force applied action/reaction physics thing.
  12. Texasmark

    Heat transfer dope

    White "thermal grease" is a particle (I forget the white chemical powder.....retired 18 years ago) infused "grease". As such, it dries out over time. You are smart in ensuring it's fresh under anything attached to a heat sink that currently uses the grease.
  13. Texasmark

    Spray from the outboard

    Agreed. Rule of thumb I picked up on here from expert/old salt conversations was that 1" of height above the straight line hull line per 6" of setback....... Think about it, the bow of the boat is usually high/higher than the transom area. Once the water leaves the transom area it starts...
  14. Texasmark

    12' Pontoon/Fishing boat nose diving issues!!!!!

    What does messing with the trim mean? What is the weight distribution in the boat? What is the load vs flotation area.....does the boat sit low in the water when at rest? What do the tubes look like in the front....concave or pointed? Pictures would help in answering these questions. You...
  15. Texasmark

    Mercury FourStroke 60HP overheating, difficult blockage

    This reply was very thoughtful of you to take the time to help others that may encounter similar problems. Thanks
  16. Texasmark

    Reversed polarity 40 hp Mercury -Coughs but it won't start

    As stated, reverse polarity pumps unlimited (sorta) current through the reverse rectifiers in your rectifier assembly as there is no resistance (to speak of in the circuit and the diode junction melts and shorts the stator output to battery negative (ground). Replace the rectifier...
  17. Texasmark

    outboard interchangeability’s

    I'll bet "Faztbullet" would know.
  18. Texasmark

    40hp '67 super seahorse top speed.

    I pulled up a picture of it and that is an easily planed hull. Assuming that the boat isn't waterlogged, that is a pretty light boat. Remembering the inlaws 15', windshield, front deck and associated steering fiberglass with cross simple wooden seat, about a '60's 40 HP Rude, stock prop, with...
  19. Texasmark

    Old Evinrude question, Can anyone help?

    Back in 1957 oil mix was a quart to 6 gallons of gas. My wife's family had a 1958 35 HP Rude on their boat back when I was dating her. Later on engines were refined to run on a better quality oil [Two Cycle (Stroke....current term) Watercraft 1,2 or current 3rd iteration of the...
  20. Texasmark

    Ranger Vs Nitro Bass Boats

    I do too,,,,,,,in my two acre farm pond.....Florida Strain Black Bass. I take my boat out to boat ride. Grin I bought a new 18' Ranger in 1989 with a 115 Merc......impeccable quality and workmanship.
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