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  1. Texasmark

    got me a new boat!

    I bought a half sunk in a marina, '65 18' Holiday with a 110 Mercruiser; my first restoration and quite a story in getting it done but I did and the family enjoyed outings in it.
  2. Texasmark

    No air filters?

    Believe it. Not needed!
  3. Texasmark

    Does the switch box impact the rev limiter?

    On another site where I have been working with you, balls in your court on waiting for your results with the kill wire disconnected from the RL. There is no wiring connection from the RL back to the SB serving as an input.
  4. Texasmark

    Propeller

    I guess I missed answering this. Yes but with reservations as stated. Its a real simple task and could be the smoking gun. The yellow/black, or black/yellow pin on the limiter is the killer...disconnect it and if that's the problem, keep your RPMs below 5250. Faztbullet has answsered the...
  5. Texasmark

    Propeller

    That engine, like my 2002 115, has a rev limiter designed to kick in at 5250. Let him go.
  6. Texasmark

    Hooked up my battery with the wrong polarity

    If you killed anything it would be the rectifier diodes inside the rectifier/regulator module with cathodes tied to ground since there is no resistance in the circuit with power applied in reverse. The fuse is normally (my experience) in a black rubber container with cap in one of the red leads...
  7. Texasmark

    Asking alot of a little outboard. best prop pitch?

    If you got 20 out of it and snappy response you are pretty close on pitch for the load for the test. Yes more folks mean more strain on the engine but you can get the tach and check RPMs where you boat the most....prop for that and when running light, pay attention to over revving.
  8. Texasmark

    Asking alot of a little outboard. best prop pitch?

    Check out Tiny Tach. Wraps around a spark plug wire....crude but once you have your number you don't need to monitor it. Lawnmowers use them. I don't know if they have a 2 stroke adaptation or not. Cheap form of info. If you don't prop for mid to upper RPM (recommended range) WOT your...
  9. Texasmark

    Prop pitch and diameter

    13+ is the right diameter range for that lower unit which has a gear ratio of 2.33:1. A 19P on that engine on a light boat/light load isn't enough pitch regardless of how sophisticated the prop design. My 90, pictured in my Avatar was a SS Ballistic 13+ x 24 XP (added blade area) and it...
  10. Texasmark

    Upgrading from 70hp to 90hp

    Wide beam is a big plus. 20", not 15" transom engine mounting height is also a big plus. Moving some weight forward can help to mitigate the extra weight....side console vs tiller steering is another big plus....would think that is how your boat is arranged. If you had a front deck with...
  11. Texasmark

    Mercury 1968 200 20hp prop

    ".......the best of the best". Maybe not necessarily in coloring but the red band 125 tower of power could outrun my 125 '72 Johnson on the same boat essentially......that was back when I was an OMC guy.
  12. Texasmark

    Mercury 90hp 3 cyl 2 stroke 1995 - rebuild

    In my Service Manual's spec. section: Bore diameter standard: 3.50" Taper/out of round condition (fail point) 0.003" (3.503") Piston diameter standard: 3.495 0.015 oversized: 3.510" 0.030 oversized: 3.525" That doesn't exactly answer your question but should get you in the ball park of...
  13. Texasmark

    Correcting gear ratio with prop size

    Yeah but adding Ground helps one get the idea as to what it actually does, not what it is....grin.
  14. Texasmark

    Slipping out of gear when speeding up

    In marking the prop mark a straight line from the ID Spline to the OD barrel of the prop. If the line is not still straight after testing, hub is slipping....just clarifying a suggestion above so that the line connects the right places. On the slippage, I know not the history of your usage...
  15. Texasmark

    Correcting gear ratio with prop size

    GPS: GROUND Position Sensor!
  16. Texasmark

    Combining starting and deep cycle batteries

    Same thing applies to the voltage level at "full charge". The different type of battery will have a different "full" voltage and could either not get fully charged, or you'd boil the electrolyte out of the lower voltage battery while the higher voltage battery is telling the charger to keep...
  17. Texasmark

    Motor won’t shut off.

    From memory but could go out to the shop and verify colors in the Service Manual: Pull a connector off a CD Module and identify the yellow/black or black/yellow wiring harness (not CDM) pin/socket...forget sex of WH connection. Take an Ohm meter on the lowest scale and touch that pin and the...
  18. Texasmark

    1972 Cathedral Trihull Prop Size

    No biggie. Mark the crankshaft and one of the blades on the prop. Put it in gear and rotate the engine until the prop has made 360*. Note the position of the mark on the crankshaft pulley. 1.65 means that the engine had to turn 1.65 turns for the prop to turn once. .65 x 360 = 234* For...
  19. Texasmark

    Help with 75hp mariner

    Service manual states that with cranking compression below 120 PSI, taken correctly, expect problems.....you are a long way from that sir!
  20. Texasmark

    Looking to add tilt steering to my outboard. Need some Clarification on parts needed

    I have a 2002 Crestliner 1750 Fish Hawk dual console and I had their OEM steering. I don't remember a lot about the tilt purchase other than buying the rotary (vs rack and pinion) that was in my boat already. I don't recall where I bought mine or any show stoppers.....never did something like...
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