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  1. Sea Rider

    2000 Yamaha 9.9 2 stroke won't start

    For me that motor suffered an overheat from poor lubrication, have seen such scenario before. What need to do is tear the whole pressed crankshaft at a machine shop and check what needs to be changed as the damaged parts are non repairable. Can get by with both connecting rods, but will need to...
  2. Sea Rider

    2000 Yamaha 9.9 2 stroke won't start

    As you have witnessed outside mint condition motor doesn't say much, can be buying blindly a Pandora Motor without knowing. Seems the crankshaft suffered from poor lubrication or the motor went diving, was drained, cleaned and stored. Will need to open and rebuild the entire crankshaft as...
  3. Sea Rider

    Johnson 9.9 Hard to turn over after rebuild

    When assembling back both halves and any other part that relies with a gasket torque them well with a torque wrench to their factory specs... Happy Boating
  4. Sea Rider

    2000 Yamaha 9.9 2 stroke won't start

    Being a 21 yer oldie, have you checked the spark plug's intensity with a tester, the ones that can vary their spark gap lenght ? Meanwhile remove both plugs, squirt a small dose of pre mixed fuel inside each cylinder with a small syringe, put plugs back in and crank the motor at full open...
  5. Sea Rider

    Should water be ejecting?

    Forgot to mention that before the new impeller or complete water pump kit is installed remove both lower leg's water intake screens and clean each sides of them, clean the screen's cavity and poke up down a small diam wooden sushi stick through the upper water orifice until it comes unrestricted...
  6. Sea Rider

    Should water be ejecting?

    If you move the shift lever forward/reverse the shaft will move accordingly up or down. Need to remove the upper pin with something pointy while slightly banging the other side with something heavy like a hammer. Now can fully drop the leg. When installing the new thermostat in report the...
  7. Sea Rider

    3 Blade or 4 blade prop?

    Min-Max wot rpm factory stated ? Current Load ? Number of Passengers ? Max achieved wot rpm with 3 blade 17 pitch prop ? Happy Boating
  8. Sea Rider

    Should water be ejecting?

    That's a salt or fresh water use motor ? Once the new impeller is installed and if motor doesn't want to pee, get a stiff wire, plastic cannula and poke it as deep as possible several times in-out the peeing port with motor running at fast idle or bit higher. Happy Boating
  9. Sea Rider

    Cylinder Compression Incongruences.-

    Amen, Persecula Seculorum... Happy Boating
  10. Sea Rider

    Unable to start and no water out the telltale

    If the tell tale is peeing uniform, the new impeller contributed for that to happen, that motor should pee much stronger when revving higher past fast idle revs once it's running strong. If the peeing seen at high revs is not uniform, remove the flexible rubber hose from the lower exhaust...
  11. Sea Rider

    Cylinder Compression Incongruences.-

    Gee what's the purpose of continuing indefinitely with your high tech explanation. The techie moron finally confirmed not having honed the cylinders, the picky Club's staff working with this combo daily confirmed yesterday that runs as never has run before, so I'm very pleased with all the long...
  12. Sea Rider

    Combustion Problem?

    Does the motor bogs down, hesitates, misbehaves whatever when opening up the throttle passing from idle to higher revs ? Happy Boating
  13. Sea Rider

    Unable to start and no water out the telltale

    How much water is running from the tell tale while testing at fast idle or bit higher, is it a consistent unaltered water flow ? If welch plugs doesn't come in a carb kit should not be removed, drilled, whatever. Did you tried starting the motor as per the Owner's Manual recommendations ...
  14. Sea Rider

    5hp 2-stroke won't idle, runs at 4000 rpm and dies if I try to throttle down or idle

    Some issues : Is it a salt or fresh water motor use ? -Quite possible to rev at 4 K at the start indicator position which it's a very bad idea testing said motor revving that high without load, test it while running powering anything that floats at full throttle. -Have you checked the fuel...
  15. Sea Rider

    Cylinder Compression Incongruences.-

    Wrong conclusions, gave him the Service Manual's factory specs along a new piston and ring in his hand, how could I know the moron didn't do its homewrork right ? How can rings gap be excessive ? both pistons and rings are standard ones, now well matched to new cylinder sleeves achieving...
  16. Sea Rider

    Update Tohatsu 5Hp for 6Hp- carburetor

    Would be nice to translate what posted to English... Happy Boating
  17. Sea Rider

    New 15x17 pitch prop on Merc 165 L6

    It's a night day boating diffrence propping right a motor to rev at its max or slight over their max wot rpm range as currently loaded to achieve an oustanding hole shot. Do you boat with a fixed or variable load ? Happy Boating
  18. Sea Rider

    Combustion Problem?

    A bird has had to be nesting there for those wide fuel orifices to have gotten clogged, never seen such scenario.... Happy Boating
  19. Sea Rider

    Unable to start and no water out the telltale

    OK, let's start from the very basic. This is the starting procedure OMC calls for said motor. Some issues to look over : -When priming the fuel bulb's the stamped arrow must be pointed upwards till the bulb rest firm, not stone hard. Is the carb having fuel spills issues when the bulb is...
  20. Sea Rider

    Tried everything, except what's really wrong.

    The spark on those motors should jump a healthy 11mm not just 8mm, test again and depending on condition check if the fuel squirted on both cylinders as noted in post 11 ignites well when the motor is started. Electrical components can go bad over time, the ones having erratic behaviours when...
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