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  1. Sea Rider

    How hard is it to replace a broken water tube?

    This experience is something you learn on the way, better use any high quality marine grease on all removed bolts after cleaned to mint cond. If using again the removed pan gaskte provided that was removed 100% intact better is to seal it back with a light coat of mega grey heat silicone at...
  2. Sea Rider

    How hard is it to replace a broken water tube?

    Grease all bolts with marine grease before assembly including the drive shaft's upper splines. Which material is the new pan's gasket made of, is it carbdoad, alum sheet ? Do you plan to seal it with a sealer at both mating sides ? Torque it to specs after install and make a final re torque...
  3. Sea Rider

    Hull hole where airfloor board pushes on hull

    Which Saturn model did you, still own ? Was an alum or an air deck floor bought new or second hand ? Had the exact same issue with the hull's floor at that precise spot ? If you compare the price of a well reputed large high end Hypalon Sib brand, the PVC Saturn are darn cheap, will last for...
  4. Sea Rider

    Saturn SD470 and Mercury 15HP 4 Stroke Custom Project

    You're welcome, the idea is to get the max HP out cowl rated and increase whenever possible the max fun out of that eye catching combo. To start with would recommend a Hardline Hour Tach model : HR-8061-2, check Iboats, Amazon. Post a close pic shot from inside deck showing the front motor...
  5. Sea Rider

    Flex Seal Paint on Inflatable?

    Welcome to IBoats, Will need more than just one coat of said product ir order to achieve a thicker protection layer. Better will be to glue two large PVC strip patches under the tube's portion that contacts any surface on the whole tube's length. Inflatables must not be beached at speed when...
  6. Sea Rider

    Saturn SD470 and Mercury 15HP 4 Stroke Custom Project

    Welcome to IBoats, Trim Tabs on a 470 footer powered with a underpowered 15 HP motor ? If the Tabs are set folded downwards will slow the combo down when on its way to plane out. If the purpose is to plane faster what need to do is : Inflate all air chambers to their factory recommended working...
  7. Sea Rider

    2002, I think, Nissan NS25C2 not cranking

    When at full throttle, does the butterfly sits opened fully horizontal at 180 deg ? If so with current 25 deg time advanced setting that motor has been upgraded to the 30 HP version which was the way to go. To be a fully operational 30 HP need to look if the carb's restricted gasket has been...
  8. Sea Rider

    NSF 15C No Spark.

    Have a week spark in the spark plug's connector output, tested with which spark tester method/device or in the spark plug itself when grounded ? Happy Boating
  9. Sea Rider

    Nissan 3.5B idle too high

    Sorry out of town, the Needle Valve, the one with rubber point calls for # 309031471 for any other Nissan's carb parts check Tohatsu spare carb parts : https://www.boats.net/catalog/tohatsu/2003/m3-5b2-2-stroke-tohatsu/carburetor Happy Boating
  10. Sea Rider

    Won’t pee

    Which method was used to test that 17 yeal oldie motor run on fresh or salt water ? barrel, muffs ? The impeller's shaft must be turned CW when installing a new one in. If the impeller issue persists after the lower leg has been properly submerged in a deeper water level, remove the lower leg's...
  11. Sea Rider

    Miss marked prop?

    Really, don't make me laugh that precise setting which have been playing with for the past 15 years works spot on on different light/medium light applications powered with Tohatsu tall gap plates motors to achieve the max prop thrust with a maximized prop running towards max wot rpm range as...
  12. Sea Rider

    Nissan 3.5B idle too high

    Carb Tech Specs : If being a 2.5A / 3.5A / 3.5B motor the Main Jet calls for # 92. If being a 2.5A2 / 3.5A2 / 3.5B2 motor the Main Jet calls for # 86. All 6 models comes factory delivered with the Jet Needle Clip Goove set second from bottom... Happy Boating
  13. Sea Rider

    2002, I think, Nissan NS25C2 not cranking

    Welcome to IBoats, If all mechanical related is spotless, troubleshoot all the electricals components such as Exciter, CDI and Ignition Coil, being a 19 year oldie any of those electrical components could have failed already, heats up, shorts and fails. Start by checking if each spark plug when...
  14. Sea Rider

    Honda BF75 beeping alarm and reduced rpms

    If the water pump, temp sensor, thermostat of that 20 year oldie motor has been changed for new ones and still with the overheat alarm chiming in and reducing the rpm down to safe ones, what's the next move, run a descaler product through the entire water passages to clear them for the motor to...
  15. Sea Rider

    1992 Yamaha 40 MSHQ shutting itself down at wot

    Not an issue sitting dry, applying grease, love lube, olive oil is just to rotate CW the new impeller inside the liner (cup) once the water pump is working those lubricats will disappear with use. Happy Boating
  16. Sea Rider

    Hull hole where airfloor board pushes on hull

    Assume when bumping the ramp is done at neutral under min inertial speed, is the damaged area the first one to touch the ramp ? Used to own an air 320 Sib which had a transversal wooden slat 1/3 the width of yours placed much closer to the hole that pushed the front keel's bulb down against the...
  17. Sea Rider

    NSF 15C No Spark.

    If assuming the spark is weak, test both sides with a spark gap tester adjusted to 11 mm, if the spark jumps that far well the IC is in good shape... Happy Boating
  18. Sea Rider

    NSF 15C No Spark.

    If the Ignition Coil is within its electrical tech specs and does not produce any spark at both plug's end caps, troubleshoot the Pulser Coil and CDI as well... Happy Boating
  19. Sea Rider

    Need Help Identifying Zodiac Inflatable

    Check : https://forums.iboats.com/threads/id-like-help-identifying-my-zodiac.672472/#post-5708206 If the fabric feels plain smooth when rubbing your fingernail over it it's Hypalon, if it's slight dotted, it's Duotex a french PVC fabric. Happy Boating
  20. Sea Rider

    Hydrofoil for Inflatable Seamax 430

    You're welcome, Only a water test on ideal flat calm, no windy water conditions with motor trimed to 90 deg and deck load evenly distributed will tell. Sib could achieve back water splashes in/out transom if the motor sits too low or prop aeration on windy, wavy water cond and at close turns at...
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