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  1. Sea Rider

    Prop Pitch Issue.-

    Was ordering a 3 blade 3 X 9.2 X 8.5 (pitch) but impossible to get, was thinking about using a 3 x 8.9 x 8.5 (pitch) both are alum cupped props. What would be the pros and cons or whatever it achieves having a slight less diam on the second prop. Will hole shot remain same, which one would have...
  2. Sea Rider

    Avon Supersport Oldie.-

    A friend of mine bought this Rib/Trailer combo very cheap, has front wheel driving position, lacks seat and engine, is planing a complete restoration. This UK Rib should be at least 30 years old which means Hypalon fabric is already undergoing Waterloo time due to evidence of fabric delamination...
  3. Sea Rider

    18 Footer Engine Prop Issues.-

    This is a prime example about the importance of dialing best engine/transom height to optimize combo's performance under all water cond. Do you find this engine set-up correct, will combo achieve, good, excellent, lousy water performance if tested on water? see any flaws, inconsistencies...
  4. Sea Rider

    Repitching.-

    Want to buy a mediun size alum 8.5 pitch prop but seems is no longer being fabricated, just 8-9 whole numbers. Searched through Internet and found a prop shop in Texas who can repitch 2 down, 2 up sizes from 8.5. Thought that blades had to be chopped down and welded back at a different angle of...
  5. Sea Rider

    Seamax Return.-

    After horrible water performance and ungluing seam issues with previous Sea Max 420 alum Sib inflatable, dealer decided to be a good Samaritan due to being legally close to suit him for selling crapy boats. Took 3.5 months to ship a brand new 430 alum Sib which replaces previous 420 model...
  6. Sea Rider

    Throttle Cam.-

    Was wondering why all OB engine throttle cams have progressive cam angle shape from idle to cam's beginning of high hill and then carb roller encountering an abrubt high hill cam when entering wot world. Why can't there be a progressive like shape cam from idle to wot for all engines ? If you...
  7. Sea Rider

    A Idiotic Inquiry.-

    My cousin has a Merc inboard carbed 6 cylinder engine. Would like to know : When engine is cold, say next day morning cold start. Should the choke butterfly be found at complete closed position and start to open fully while choke coil heats up, right ? How many minutes should pass to begin...
  8. Sea Rider

    Propulsion Issues.-

    Scenario, According to boater, boat was running at near wot, a fishing net was spotted up front, speed was reduced and gear was put to neutral. Spinning blades caught fishing net and became entangled on blades. Net was conveniently removed after some minutes work, now : - Water pump is not...
  9. Sea Rider

    Lugging Dilemma.-

    Just repaired a 2 stroke Tohatsu 3.5 HP portable, it's going under its break in period with 25:1 fuel/oil mixture. Was pushing a boat that has excessive hull drag. From fast idle to medium throttle the small engine pushes top, when going to 3/4 throttle the engine revs up and in a short time...
  10. Sea Rider

    Hull Slide.-

    Is there a product on the market that could be applied to boat's hull to achieve a much better hull slide at speed ? Would polishing wax meet this requirement ? Happy Boating
  11. Sea Rider

    Fuel/Water Separator Inquiry.-

    A friend of mine wants to install a a fuel/water separator system which already has purchased. the one with disposable filter, was wondering when can you tell when filter is completely overfilled ? As those filters aren't transparent can't tell so you must.. - Change filter periodically -...
  12. Sea Rider

    Water Separator.-

    A friend of mine who has a J-24 sailboat wants to install a water separatorr system for his 2 strokes 18 HP OB. Have seen WS on larger 30 & higher HP engines. Is there an issue for a small fuel pump diaphragm to work driving fuel through a water separator as opposed to larger HP fuel pumps ...
  13. Sea Rider

    Mercruiser 350 Prop Max.-

    Scenario : A friend of mine just bough a new 24" powerboat equipped with a new generation Merc 350 IB. He doesn't know much about engines bessides they run on fuel. The factory delivered prop which he doesn't know about its diam nor pitch broke while hittting a submerged object, that's the...
  14. Sea Rider

    Jammed Fuel Filter.-

    Was wondering if you guys have issues with Tohatsu main flters when removing them from filter body, Before going to E fuels you could remove filter bare handed with a simple tight twist. Now with E8 it's impossible to remove them as previous. E expands plastic filter threads and enlarges...
  15. Sea Rider

    J-24 Prop Maximization.-

    We're finishing painting a J-24 sailboat which will be powered by a 2 stroke Tohatsu 18 HP long shaft engine. This model revs 5200-5800 factory stated rpm. The standard delivered prop is a 3 blade 9 pitch prop which peforms excellent in light to medium aplications. Being a J-24 a heavy 1.5 ton...
  16. Sea Rider

    Torqueedoing

    Needed an alternative powering system to combustion engines to power a sib/rib used to follow rowers at a close albufera, which has banned traditional 2 & 4 strokes outboards. So deciding going green tested a Torqueedo 4.0 electric OB which is the top in the portable range. Although is...
  17. Sea Rider

    Prop Inquiry.-

    Have in current use on a Tohatsu 2 strokes a 9 pitch factory prop which delivers at wot on a lightly loaded rib with solo driver 5600 rpm, I'm ordering a 8 pitch to be at/ around 5800 which is the max wot rpm for that engine. If order a 8 pitch 4 blade prop would my revs be pulled up same as a 3...
  18. Sea Rider

    Jammed Engine.-

    Scenario : A 30 hour new 2 strokes Tohatsu 70 HP engine. Engine went through its break in period as factory stated, begun having wot problems due to dust in fuel (service station filter issues) which passed onto carbs. All 3 carbs were taken apart and immaculate cleaned, a short wot test was...
  19. Sea Rider

    Torqueedo Outboards.-

    Was wondering if any of you guys have in use a Torqueedo outboard to propell ligh boats in places that are banned for 2 stroke outboard uses. The model I'm interested in is the Cruise 4.0 equivalent to a 10 HP outboard. Would like to know the max speed possible of achieving on light applications...
  20. Sea Rider

    Crankcase Sealant.-

    Was wondering if it would be proper to use Mega Gray Silicon to seal both crank case halves as opposed to Loctite 518 which is what Tohatsu factory uses on 2 strokes portable engines for a good seal. Happy Boating
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