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  1. Sea Rider

    Thermostat housing hole.

    Is the float fixed or with an attached metal hinge ? Assume now that the seat is immaculte clean the float will rests slight under than used to sit at. When the carb is turned upside down the float must sit at the same horizontal level to the carb's bowl square edge unless factory stated...
  2. Sea Rider

    Outboard motor test tachometer

    The cheapest are induction tachs, for which 2-4 stroke motor brand and with how many cylinders would that be ? Happy Boating
  3. Sea Rider

    Thermostat housing hole.

    Not an issue if the big jets are discolored as long the internal holes are perfectly clean, can check that up with a magnifying glass or while holding the jets against a light source. The screwed jet is available, need to know the stamped number on it ? Have you checked if it's possible to...
  4. Sea Rider

    Mercury overheating problems

    Did you remove the thermos if having more than one on the power head when inserted the water supply into the water tube rubber gasket at the bottom of the power head ? If not test with removed thermos and see what happens. For me that motor needs a full water passages clean out, doesn't matter...
  5. Sea Rider

    Thermostat housing hole.

    You're welcome, Will check the screwed jet if available at a different parts source. What you can do when all 3 carbs have finally been cleaned to perfection is to run the carbs dry if the motor won't be used contantly. Disconnect the motor's fuel connector and let the motor die of fuel...
  6. Sea Rider

    Outboard Jet Drive

    If you install a Jet powered motor for the intake to ride above the lowest portion of the hull will cancel the jet propulsion while the jet nozzle delives water on air. These motors needs to work with the large round bulb and the jet nozzle fully submerged as is pic 1 post 9 to achieve their max...
  7. Sea Rider

    Considering an inflatable/RIB for diving

    This is an Open Caribenautica 19 footer Diving Rib with rear seat tiller driven operated which occupies less deck space than a complete center console. The issue is that the larger the Rib the more HP motor that will be required and tiller motors are usually not available on medium size HP...
  8. Sea Rider

    Thermostat housing hole.

    Tips for cleaning external/internal carb's parts. If need to micro polish the external slow jet, pilot's screw tips and threads pic (1) Dampen with water a flat cotton piece, place jet inside, add toothpaste, close cotton to form a U shape, grab tight the cotton against the jet, insert a...
  9. Sea Rider

    Considering an inflatable/RIB for diving

    We've been selling Sibs and Ribs for the past 12 years so know the market well. If plan buying a Rib in Canada contact : http://www.seabrightmarine.ca/index.html Check the Rib listing under Financing. Go for a 17 or 19 footer, the options offered include center consoles which takes too much...
  10. Sea Rider

    Thermostat housing hole.

    When the needle's seats were brand new were shinny, toothpaste restores them to that cond. How long will need to micro polish them will depend entirely in the current condition found. If possible take the first carb to a machine shop and have that screwed jet be removed, install a new one...
  11. Sea Rider

    Outboard Jet Drive

    A jet system is not the panacea motor, have certain parameters you have to fulfill to work as intended. The water flow at speed must pass right under the protruding plate (1) There's a certain distance 1 to 2 that will need to check on the motor you intend to buy to know the lower leg...
  12. Sea Rider

    Considering an inflatable/RIB for diving

    That's diving with Scuba or Skin Diving Equipment as to optimimize deck space, for shore, coastal or open water diving activity and the motor needed to power that Rib at a decent plane speed. How about budget, how much would you like to spend ? Happy Boating
  13. Sea Rider

    40HP yamaha linkage screws

    Soak the screws threads wth penetrating oil and check if possible to introduce a small pressure plier to grab the phillips head to loosen or remove. Happy Boating
  14. Sea Rider

    Thermostat housing hole.

    With respect to the missing bowl's screw will need to order a new one, is the thread a closed or open type in wich can screw a larger screw to exit the other side and secure with a nut ? Have you managed to remove already the jet with screwed head, under it lays a nozzle which should be looked...
  15. Sea Rider

    Thermostat housing hole.

    As you have witnessed a carb exterior in mint clean cond doesn't say much, carbs could be real Pandora ones when opening them up. If all float's needles seats are just bit gunked, not scratched, check that with a flash light just micro polish them. Have never changed a single one and don't plan...
  16. Sea Rider

    Mercury overheating problems

    To date that's a 24 year old motor, used in fresh or salt water ? Happy Boating
  17. Sea Rider

    Considering an inflatable/RIB for diving

    Welcome to Iboats, With how many divers do you plan going diving with, diving gear adds extra load to the divers weight and rests storage space on deck. So a Rib would be the way to go instead than an alum deck Sib in those mentioned sizes. Happy Boating
  18. Sea Rider

    Upper Water Tube Grommet Replacement 6hp 1985.

    Yep, but that gasket could have compressed a bit due to exhaust heat building up on it and doesn't look plain flat as was when brand new. These pics speaks for themselves, motor developed same issue as yours. All pan gaskets in the long run will eventually loose water on to the pan, have years...
  19. Sea Rider

    Outboard Jet Drive

    You're welcome. Most of the jet system info should apply well for the mentioned HP motors. Happy Boating
  20. Sea Rider

    Long shaft vs short shaft

    Seems a Long Shaft transom to me. Have seen short and long shaft boat's transoms without the middle transom cut. Find out the exact transom size and go from there. Lower leg conversions from S to L it's usually expensive to go for unless buying scrap parts, second hand ones. Do you have in...
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