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  1. Sea Rider

    New Boat

    You have to prop right your motor accordingly to the gear case ratio delivered with, motor height, load, boating elevation. So each boat/motor combo has a unique installation, useless making personal comparisons specially at sea level..... Happy Boating
  2. Sea Rider

    Motor has started but now no spark

    No need to pull the flywheel... Happy Boating
  3. Sea Rider

    Thermostat question

    Is that a 29 year oldie motor ? Fresh or salt water usage ? If you found gunk at the thermo housing expect to find same in all the water passages... Happy Boating
  4. Sea Rider

    MFS25A lower foot seal

    Was the damaged seal number 15 ? the second one is number 14 ?, if so, it's a O'ring and works attached to the propeller shaft housing 10, there should be a groove at the front where the o'ring sits at. Can change both 14 and 15 as to count with 2 new ones.... Happy Boating
  5. Sea Rider

    New Boat

    Till the OP doesn't chime in and provide the requested load he was boating with or plans boating with this posts will go nowhere to get the max out of his combo at 3.7 K of elevation... Happy Boating
  6. Sea Rider

    Awful Boat-Outboard Mismatch.-

    Further update, you guys were right, was a boat with an inboard motor converted to an outboard one probably locally. So if the motor was measured from the lower swivel bracket to the AV plate and dialed 26" it's a XL motor, right ? Tomorrow will take pics with the motor set fully vertical, new...
  7. Sea Rider

    What shaft size?

    Have seen unbeliable odd transom heights in many boats as to make a perfect match with short or long shaft motors, in such cases a transom mod was needed to perform well. Luckily count with a transom techie that can modify whatever floats powered with an OB... Happy Boating
  8. Sea Rider

    What shaft size?

    That transom heigth is between a 20 and a 25 motor shaft. A 20 shaft will surely sit too high on transom and achieve prop aeration issues, In that case will need to modify/chop its heigth accordingly. Only a water test will confirm that... Happy Boating
  9. Sea Rider

    New Boat

    With a 3 blade 11 pitch the motor it's already running towards it's max wot rpm range which is 6 K, at 6200 wot revs the rev limiter hasn't kicked in so seems that does so at slight more wot rpm. What we reliably need to know is how many souls were on board when achieved what the OP stated. A...
  10. Sea Rider

    Marine Growth Took Over.-

    Scenario, this combo remained anchored at sea for 6 months during Covid 19 confinement, Mr. Karcher will take care of the awful looking situation and leave it immaculate clean as once used to be... Happy Boating
  11. Sea Rider

    Why is the OB overheating ?

    Scenario, it's a 2 stroke Suzuki long shaft DT 40 model. Powers a large tender to transport boaters from a marina to their respective watercrafts and vice verse. Never has been flushed with fresh water, runs at the lugging rpm side, current prop it's not adequate for such a large and heavy water...
  12. Sea Rider

    Awful Boat-Outboard Mismatch.-

    Pic Updates... -26" as measured corresponds to which size motor ? -The Four Winns Logo is a plastic sticker isn't known if original or a fake copy... -Plan rising the motor the last 2 notches left and perform a water test... -It's the same combo as seen in pic 5, previous owner removed the...
  13. Sea Rider

    2004 Johnson outboard engaging in nuetral

    Welcome to IBoats, Which HP model would that be ? When you say that when in neutral the prop engages forward does it spins with load as if pushing a boat or only rotates freely without load ? Happy Boating
  14. Sea Rider

    Tilting mercury 18 hp motor

    Welcome to IBoats, If it's a rebadged Tohatsu 18 HP motor move the tilting lever to the other side, rise motor up till the tilt mechanism is released and will be able to fuly lower the motor to vertical position. Never mind if it's a original Merc motor.... Happy Boating
  15. Sea Rider

    Exhaust fumes coming out thermostat housing

    When flushing on muffs did water flowed out of the thermo port in poor quantity or not even a drop, if so, it's due to muffs loosing to much water pressure at both ears sides, the U shaped rod that holds both ears in place is not compressing the ears against both lower leg's water intakes as...
  16. Sea Rider

    Pee hole only dripping water --- 15hp Tohatsu

    If that motor has a flushing port (usually a bolt) located in middle of the exhaust cover if having one get a flush adapter at a Tohatsu dealer, remove thermo, screw thermo cap back on, connect a water hose there and flush the motor OFF as long as you like. While doing so poke a hard plastic...
  17. Sea Rider

    T-stat and gasket for old Nissan

    Cleaning the carb's bowl and main body helped getting rid of the rought idle or still persists ? You can clean all carb's internal metal parts to perfection dipping them in proper solvents but if there's a float, float's needle or gasket with severe issues that motor is fried specially if such...
  18. Sea Rider

    Exhaust fumes coming out thermostat housing

    Welcome to IBoats, Was that 35 year oldie motor used in fresh or salt water ? If wanting to descale the motor, probably Salt Away could handle it or flush the motor in a bucket with 50% water and 50% pure vinegar for some minutes. You can force water or air at high pressure through the water...
  19. Sea Rider

    New Boat

    Correct no carbs it's an EFI motor, being a carb boater I'm always thinking about them LOL !! anyway check that at max hammer down the remote cable end stops the injector lever fully to the right. If not doing so need to perform a fine adjustment between the cable end and the lever where it...
  20. Sea Rider

    07 Tohatsu 3.5 4stroke...overheating?

    If assuming the motor is overheating due to water paths are clogged or with less diam than factory delivered, get a flushing adapter available from Tohatsu, remove the water plug (bolt) located under the powerhead, screw the adapter there and flush the motor with a hose as long as you want...
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