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  1. Sea Rider

    Nissan 3.5B idle too high

    So the motor doesn' stall when at high revs, right ? That carb has a rubber o'ring located right in between the manifold's neck and the carb's rear body, if missing too much air will be introduced and surely the motor will rev high, check if having it, if not, will need to order part no ...
  2. Sea Rider

    2003 Johnson 50 hp stalls at idle

    When was the last time all the carbs were fully serviced ? Happy Boating
  3. Sea Rider

    Tohatsu m50d - Dragging piston with spark & Fuel

    With stuck piston rigs the PSI reading will be darn low, not your case. To check spark intensity need a spark gap tester to check if all jumps the same distance. There are other electrical components under the fywheel that feeds the CDI and that in turn feeds the ignition coils which must be...
  4. Sea Rider

    2021 Suzuki 9.9 prop

    Once the motor is broken in need to install an induction tach, go for a wot run and report max achieved rpm to go from there. Factory delivered props are usually medium pitched and not suitable for all applications. If having prop aeration issuses while the motor sits trimed to 90 deg and deck...
  5. Sea Rider

    Nissan 3.5B idle too high

    Welcome to IBoats, Is that a 2 stroke M3.5 B2 motor ? Why did you changed the previous carb for ? Those carbs have an internal Jet Needle attached to a circular Throttle Valve which it's adjustable by means of a Jet Clip, at which upper or lower groove does the clip rests to ? Happy Boating
  6. Sea Rider

    Descaling Outboard's Cooling Systems.-

    If so Flush Away, RYDLYME, CLD Descaler Products will be useless ? Which method would your recommend to internally clean any motor that's heating up ? Happy Boating
  7. Sea Rider

    Keep getting logged out during session

    Been experiencing same on my side for a quite some time, to reply to this post had to log again for a second time... Happy Boating
  8. Sea Rider

    Tohatsu 9.8 trim tab BOLT size

    Welcome to IBoats, Head is 10mm across and 24 mm in lenght, if that equates to an M6 bolt then you're right. Happy Boating
  9. Sea Rider

    Merc 15 hp running LOUDER

    When spraying CRC decarbonizer through the carb ideally the motor must be left running geared on muffs at around the starting rpm setting and only spray one short shot at a time, let the motor recuperate the rpm loss, then spray another shot and so on, if sparying too long and too much the motor...
  10. Sea Rider

    Must I pull power head for exhaust cover removal?

    Once the powerhead is removed from pan replace both upper and lower crankshaft's oil seals, take advantage to replace all motor's gaskets, surely all are hardened, dried and if with time perform a complete desalt and decarbon process on the entire powerhead. It's time demanding but way to go...
  11. Sea Rider

    Water splashing over transom

    If the water spray at speed is seen even round the front lower leg as seen from inside the boat, that's due because the water flow exiting the outer middle hull is banging hard against the non edged portion located above the upper water deflector plate. Whatever need to do, modify, etc sit...
  12. Sea Rider

    Honda bf50 spark and carb issues

    Assume you removed the thermostat and bolted the cap back on previously running the descaler through the motor, right ? If not the cylinder head area has been just partially descaled... Happy Boating
  13. Sea Rider

    Carb leaking gas from top two holes 1989 85hp

    If the needle's fuel valve it's a fixed non removable one take advantage while servicing the carb to micropolish with toohpaste the internal valve's seat with a cottoned sushi wooden stick previously dampened in water, repeat the procedure rolling a new cotton onto the stick till comes out white...
  14. Sea Rider

    change a n 80 hp outboard jet to a prop

    Welcome to Iboats, Check with Yamaha if they sell a complete 80 HP lower leg to install, that way can swap both to fill your particular boating/fishing needs. A Jet Impeller which equates to a prop for propulsion has nothing to do with a standard prop and will be darn difficult to install and...
  15. Sea Rider

    Thermostat

    Yep, on motors that have the peeing tube attached to the thermo's housing, thermo lid, cup yes on modern motors that have the peeing port built at lower powerhead or middle leg no, those pees strong right after the motor is started independently if the thermo remains closed or opened. Happy...
  16. Sea Rider

    Descaling flush, motor that stops peeing

    At the upper pan usually lays a labyrinth water passage that can be partially or fully clog with debris, salt formations and let oly a small water quantity to pas to the water channel seen, when that hapens, the peeing indicator will not pee at all or will do so as having prostate issues. That...
  17. Sea Rider

    Thermostat

    All motors should pee right from the start, that port is a check indicator that the water pump is working while a motor sits on transom, if the port is blocked with debris, salt, whatever while run on muffs will see water exiting at middle prop. A peeing port should be cleaned periodically by...
  18. Sea Rider

    Descaling flush, motor that stops peeing

    You can perform same injecting white vinegar, WD-40, CRC carbon remover and have a long soak with motor tilted fully horizontal. Close the peeing tube with something to hold in place whichever was injected. That Ebay pic looks very clean, will yours look the same, definitely not Lol!! Happy Boating
  19. Sea Rider

    Trouble pulling skier out of the hole

    Check if the tach it's doing its homework right, has an erratic jumpy needle behaviour. If all good the motor loses revs very fast when at wot which will not maintain a skier up for too long... Happy Boating
  20. Sea Rider

    Bad Spark plugs?

    Don't know if it would be possible for all spark plugs to look the same, generally not all spark plugs will darken, foul same, some more, some less depending on installed position. Does Yam states a spark plug install procedure, with EFI motors there's a saying, true, false fact ? that states...
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