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  1. Sea Rider

    Lehr outboard motors?

    Do you happen to know who's the New Owner. Common practice, buy operational Companies manufacturng good innovative products and shut them down to get rid of your competitor soon after. Money always talks... Happy Boating
  2. Sea Rider

    2000 200 hp Saltwater series waterpump washers

    If old parts are in mint cond after removal why not use them... Happy Boating
  3. Sea Rider

    Suzuki 140 prop opinions

    What's the min-max wot rpm range factory stated for said motor. How loaded (max passengers) on board when the motor achieved 5200-5400 wot revs ? Was the deck load distributed evenly ? 2 less pitch will definitely better the hole shot and combo will plane more easily. Maintain same 3 blade with...
  4. Sea Rider

    Tohatsu 2strok

    A good attempt, but that's Mission Impossible. 6-8-9.8 HP motors are 169 CC whereas the 5 it's only 102 CC..... Happy Boating
  5. Sea Rider

    Which Motor To Use

    Prop them right to rev towards their full wot rpm range factory stated as loaded. Once there, 1/2 to 3/4 throttle is the best setting for neat fuel consumption if you're not in a hurry to arrive to the fishing spot asap. Happy Boating
  6. Sea Rider

    Cylinder Compression Incongruences.-

    Keeping up with the Restoration.- Running 1/4 can of CRC Engine Tune UP through the carb with motor ON and geared to 2 K revs made the trick of smoothing the whole motor out. Gave a last long water flush through the flushing port located side of the crankcase with thermo removed to keep the...
  7. Sea Rider

    Awful Boat-Outboard Mismatch.-

    The issue with poor front visibility is because the windows are bit tinted and not 100% transparent, seats are low, can't see much what's in front of the bow to react fast at an emergency... The combo planes very easily at less than half throttle, no need to play with any trim setting aside...
  8. Sea Rider

    Awful Boat-Outboard Mismatch.-

    The new owner doesn't like skiing nor pulling water toys, wants a combo for cruising at half throttle due to high fuel consumption. So the zoomed pic confirms is passing under 2 ? If so, that's my sweet spot and I don't ski or pull water toys either lol !!
  9. Sea Rider

    tohatsu 9.9HPEFI converted to 20HP issue/question

    Which boat lenght, model is it. The wot range factory stated for that 20 HP is :5400-6100. Do you count with an installed tach as to know that the rev limiter chimed in at 6300 at 80% throttle ? Did the rev limiter kiched in same before the 9.9 conversion ? Are you interested in an excellent...
  10. Sea Rider

    tohatsu 9.9HPEFI converted to 20HP issue/question

    If the gasket is similar between both HP models need to go for at least one more prop pitch from current one to lower the wot revs and keep the rev limiter staying home. How many souls were on board when the rev limiter kicked in and what's the current pitch ? Happy Boating
  11. Sea Rider

    Determine counter engine

    Yep, less hassle. If going as suggested install an hydraulic steering system to make the steering much easier and less stressful on the hand, 2 props rotating CW will tend to veer more the boat towards port side than just one prop. Never mind if already counting with hydraulic steering systems...
  12. Sea Rider

    Max Horsepower Rating Interpretation

    What's the Max passengers allowed with Max HP the boat is rated for ? With how many souls on board do you plan going boating with ? If you'll be boating with less than the Max passengers allowed, don't need to go for the full HP rated for. It's a matter to prop right the motor to run at...
  13. Sea Rider

    Parts for 1988 Nissan 40 Hp reverse

    Welcome to Iboats, That's a rebadged M40C Tohatsu, Nissan version.. Need Bevel Gear A with bearing or Bevel Gear C ? Any of those $ 115.00 each. Clutch is $ 76.00 Happy Boating
  14. Sea Rider

    New Boat

    Can you explain why ? If A 3 blade 11 pitch 3 topped out at 27 mph and 6200 rpm. A 3 blade 10 pitch 3 topped out at 23 mph and 6500 rpm. It's perfectly capable for the motor to run +300 wot revs and achieve 4 mph more with one less pitch difference assuming tach and GPS are right. Saying that...
  15. Sea Rider

    Why is the OB overheating ?

    As long the water pump it's doing its homework right and all the internal water paths are immaculate clean all will be good to go, now pees like a teenager...LOL!! Happy Boating
  16. Sea Rider

    Plastic prop

    Good to go while not boating near shores as not to break the prop if hitting something hidden underwater. If no info is stamped on the prop body or blade remove it and take it to a prop shop and have it measured as to know the diam and pitch. But without any wot rpm numbers won't know if it's...
  17. Sea Rider

    New Boat

    The OP's initial data corresponds to 4-5 different props tested. A test with 1 up what has to do with the OP's post, up to now "has not stated how loaded was the combo when tested all those props" so the tech speculation will continue per secula, seculorum. For me load is all about to prop...
  18. Sea Rider

    Awful Boat-Outboard Mismatch.-

    Yep, that motor is quite long compared to any 20 shaft one. One thing is watching a boat out of water as in previous pics other on water, so the title of the thread is wrong. After further investigation pic 5 was shot with motor sitting flat on transom that's why the back water hump. Went for a...
  19. Sea Rider

    New Boat

    With a 3 blade 11 pitch, 27mph and 6200 rpm at 3.7 Ft of elevation the OP is in the right track, just need to state how many souls were on board when achieved those numbers. Scott agrees same. Some dealers just sells boat, motors are not that experienced propping right a motor to run at least...
  20. Sea Rider

    07 Tohatsu 3.5 4stroke...overheating?

    What like about Tohatsu motors is that small 3.5-5 HP portable range models counts with a flushing port (large bolt) located under the crankcase, connect the flushing adapter seen on previous post attached with a garden water hose. Flush with motor running at idle /fast idle for thermo "to open"...
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