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  1. Sea Rider

    Fouled Crankcase.-

    This is a 2 stroke Tohatsu 18 HP motor with around 150 worked hours, exhaust covers and chambers, cylinder head as in (2), pistons were impeccable decarboned and cleaned to mint condition as in (2) on last full restoration. Due to achieving poor acceleration when opening up the throttle fast...
  2. Sea Rider

    1996 Force 120 with crazy compression numbers

    What compression numbers does the motor manufacturer calls for ? With motor sitting fully horizontal squirt several shots of CRC decarbononizer inside each cylinder, let soak for some hours, re test compression numbers. Happy Boating
  3. Sea Rider

    1980 Chrysler Sea King 15 Overheating/Waterpump Concerns

    What's up, don't like me to ventilate your truths to respond in a childish manner. Keep your opinions to yourself and do not hide behind the opinions of others to beef up your post. The OP was the only one to tell if that information worked or not, at least he took the trouble to visually check...
  4. Sea Rider

    Saturn FB365 or FB385? New heat welded seams and fiberglass transom models

    Before importing air deck sibs, tested a 360 for several days, the only down issues I sees is that the air floor rigidity varies too much as the day passes by due to holding a very reduced air volume. What was top inflated to in the morning will not stay the same in the afternoon, much worse...
  5. Sea Rider

    58 evinrude 7.5 cooling problem

    If after spinning the drive shaft as suggested by Crosbyman water doesn't flow upward with a nice flow check the hidden vertical water passage located under the water pump's base which extends to the lower leg's cavity. Pic is just a reference.... Being a 63 year oldie expect to find some...
  6. Sea Rider

    1980 Chrysler Sea King 15 Overheating/Waterpump Concerns

    Recapitulating: The OP doesn't know if his motor is peeing strong, that strong or poorly as can't compare it against a new same motor once peeing out of the box, if having an overheat condition or not, to rule that out must take several temp readings with a precise IR heat gun on a new similar...
  7. Sea Rider

    1980 Chrysler Sea King 15 Overheating/Waterpump Concerns

    Hey FB is the German doctor visiting you, it's the third time being mentioned the motor doesn't count with a t-stat. The powerhead hasn't been teared up showing pics of all related water passages to state the motor shows no build up ? do you count with X Ray Vision to check that out in behalf of...
  8. Sea Rider

    I swear...

    Had to take a long forced stop, was not clear if needed to install an M8 Helicoil or a Timesert on a medium deep blind hole with stripped thread. Although have drilled deep enough the new non threaded hole, the drill being pointy has made a deep internal cone shape which will be filled with a...
  9. Sea Rider

    2011 Zodiac MK 1 - Thoughts?

    Which year is it ? Zodiac usually builds their inflatables by traditional hand gluing. Did you know that the seam welding procedure uses a gluing tape, sandwiched between the 2 pieces that forms the tube, then the partial pre glued tube is passed between 2 hot rollers for final bonding...
  10. Sea Rider

    First Tohatsu motor 9.9HP

    Sorry, as stated I'm not familiar with the 9.9 B2 obsolete model. Need to know what the factory specs are for both arms to achieve a spot on time advance/carb synch, surely differs much from the later 9.9 models. The posted pic seen on post 63 shows max timing advance along max cam advance...
  11. Sea Rider

    1980 Chrysler Sea King 15 Overheating/Waterpump Concerns

    Did you replaced the broken seal seen on post 11 ? have you installed a new thermo ? If all the water passages has not been manually scrapped cleaned to an impeccable condition and keeps overheating or not peeing right that 41 year oldie which has been run in alt water needs to be flushed with...
  12. Sea Rider

    Swapping Short and Long Shafts between outboards

    Why would you want to swap lower legs for, is the Magnum 40 HP lower leg also a S size ? Happy Boating
  13. Sea Rider

    Evinrude tell tail not discharging

    Welcome to IBoats, So that's a second hand 33 year oldie motor that wil be used in salt water, assume the previous oner used it in salt water too. When flushing on muffs open the whole spigot, there's water scaping around the ear muffs sides that will lessen the water presuure with which the...
  14. Sea Rider

    White Smoke😑

    If the water pump's peeing indicator keeps clogging ,better remove the rear rubber hose side that connects to the crankcase's small tube, insert fully in/out the provided cannula that comes attached with the Carb Cleaner can several times in a row, squirt shots of the product used, let soak for...
  15. Sea Rider

    1984 50hp Merc Overheating

    Need to employ a long wooden stick, stiff wire, thin rod, the lower water passage located on the screen's housing is usually a rectangular water intake with a narrow passage that reduces its diam over the years. Once the cleaning tool employed is seen exiting the lower water passage visually...
  16. Sea Rider

    1980 Chrysler Sea King 15 Overheating/Waterpump Concerns

    Does that motor counts with a side exhaust cover, if so remove it and clean all the internal water passages. If that thermo was found completely salted, crusted, scaled, whatever, imagine what's going on inside the thermo's area. For any motor to cool properly throughout the whole throttle range...
  17. Sea Rider

    First Tohatsu motor 9.9HP

    Where did you got the measurements for both horizontal and vertical arms ? Clarify : did you played with stopper A to achieve 22 deg as posted, or achieved that seeting playing witht he vertical arm ? this is important to know. Seems you got both cam/carb's roller settings mixed up. In pic 1...
  18. Sea Rider

    First Tohatsu motor 9.9HP

    Put the horizontal arm back to 72 mm. Release the upper stopper A nut several tuns out. Throttle grip to max side and gently hold it there, with a screwdriver turn screw CCW while increasing throttle till the timing mark travels and stays set at 22º right at middle of both mating surface as...
  19. Sea Rider

    Over heating problem. need help

    Check the water pump, impeller, heat sensor, thermos and their housing condition if excessively salted/crusted. Proper time to install new ones in if found shot... Happy Boating
  20. Sea Rider

    1984 50hp Merc Overheating

    Gee that's a 37 year oldie, fresh or slat water use, second, third hand motor ? If haven't checked the thermo(s) current condition, remove them, check the internal housing to see if salted/crusted, if found excessively salted, crusted install new ones in, motor should cool much better. Before...
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