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  1. Sea Rider

    Merc's External 2 Stroke Oil Tank.-

    Updates : As the owner was a bit reluctant to get my hands on his engine he finally agreed due to such awful water performance he was experiencing lightly loaded. What was found : -The NGK BPZ8HS-10 spark plugs were so badly torqued when changed that with a strong hand turn came off, were found...
  2. Sea Rider

    Too windy?

    If combo is badly propped won't be guaranteed to return safely or in time with a strong up wind in which will usually encounter large repetitive white caps, swells, uncomfy water conditions that won't allow to run the combo at speed, just minimum plane for the hull to bang the least on water...
  3. Sea Rider

    Prop cavitation

    When on plane visually check at which lower leg's plates is the water flow passing by, if it's too close, slight over the AV plate, there's your thrust problem. Will be very notorious on choppy, wavy, windy water conditions and at close fast turns... Happy Boating
  4. Sea Rider

    Spun prop hub: Replacement or buy new?

    As current prop was not tached as currently loaded before having a spun hub won't know if was a good water performer or not ? Better check Merc's Prop Selector, dial all the needed data and check with which prop pitch comes up with and if close to your current prop model and pitch powering that...
  5. Sea Rider

    Cylinder Compression Incongruences.-

    Sea water temp around here in July is only 17C , the issue is that without a thermo the motor exits so much water at the rear of the middle leg that looks as a mini Niagara Falls from a distance...LOL!! Happy Boating
  6. Sea Rider

    Confrim my suspension

    If the spark plug looks dark brownish rusted there's a small water droplets intrusion somewhere around the head or exhaust cover gaskets, retorque them to factory specs if suspicious having such issue. If same after retorque order new mentioned gaskets... Happy Boating
  7. Sea Rider

    9.9 2 stroke ‘91 cooling issue

    Expect to break some bolt's heads off due to extreme salt/crap seizure, The dilemma is : break some bolts removing the cylinder head and exhaust covers to manually clean and decarbon both or don't make a thing and keep having peeing issues that will lead to a future overheat. Better remove the...
  8. Sea Rider

    Cylinder Compression Incongruences.-

    After priming the fuel bulb till firm, the motor started second hard pull and with 25:1 fuel/oil mixture run it on modified muffs to achieve full water pressure with minimum water loss through both ears for one full hour at min idle. Today early in the morning made a cold Compression test...
  9. Sea Rider

    Tohatsu m50d - Dragging piston with spark & Fuel

    Yep, all carbs should run with their butterflies well adjusted to factory specs for motor to run top. Happy Boating
  10. Sea Rider

    Carburetor question on restoration I’m working on 1992 40 hp MSHQ Yamaha

    Left one was used as a dinghy tender at low to mid range rpm, the right one was constantly run at at open water running middle to max wot rpm range, although the water passages and mating surfaces has been cleaned the exhaust ports have not. You guys love and swear by Seafoam that needs to be...
  11. Sea Rider

    9.9 2 stroke ‘91 cooling issue

    That's a 20 year oldie motor, if salt water used expect to be full of internal salt, crap, whatever was formed inside the water passages. Run compressed air as you did with plain water through the lower pick up tube.. Happy Boating
  12. Sea Rider

    First Tohatsu motor 9.9HP

    If you already have severeal testers, buy a DVA adapter for those to test CDI, Exciter, Pulser coils outputs. Tohatsu uses a tool that locks the flywheel in place for the nut to be removed. Some use a L exagon covered in hard plastic where the short L is placed inside the spak plug hole to lock...
  13. Sea Rider

    Trailering a sib aft forward

    Set if possible the motor height for the water flow to skim right under the small upper plate when on plane, for that purpose sit a boater up front, trim the motor to 90 deg and have a visual look at which lower leg is the water flow passing now, can prop right that motor as loaded with 3 blades...
  14. Sea Rider

    Trailering a sib aft forward

    Congrats nice transport, the combo is launched and retrieved from the rear whether at a beach, boat ramp ? That's a L shaft motor and a S transom, installed a jack plate to rise the motor as the lower leg was sitting to low and having water splashes out/in transom ? Happy Boating
  15. Sea Rider

    First Tohatsu motor 9.9HP

    If both cut wires are are coming under the flywheel corresponds to the alternator coil, remove the flywheel and get rid of that particular coil which is producing electricity with exposed cables. Stay just with the exciter coil under the flywheel. Get a good analog tester with DVA capability...
  16. Sea Rider

    08' Honda 150hp 4-stroke Heat Alarm

    West Marine has a good descaler solution intended for outboards run in saltedwater compared to using other industrial descaler products which are more aggressive with metals.. Happy Boating
  17. Sea Rider

    Salt Away?

    Had a technical Email chat with the Flush Away CEO, sent her 2 pics of the same issue found in 2 different motors, her answer was : fresh water nor Salt Away won't remove nothing already heavily built inside the water passages. Flush Away will be good for new motors run on saltedwater, taken out...
  18. Sea Rider

    Salt Away?

    This is a saltwater used motor with lots of run hours and conveniently flushed for 10 minutes with fresh water soon after returned to terra firme. Nope, water will not disolve it no matter if flushed on muffs while geared forward and motor revving at high rpm for a full day. Must be manually or...
  19. Sea Rider

    transom cutout?

    Which length is the Saturn ? There are Sibs with middle cut transoms and those with straight transoms, and there's some brand motors that will match well, some don't. In reality you need to fine tune the lower leg height to the type of transom that motor rests on. Post a side pic of the motor...
  20. Sea Rider

    Drilling through aluminum floors ?

    Upload a pic to visualize what you are putting holes into ? Happy Boating
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