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  1. Sea Rider

    Outboard motor test tank

    Moons back added a lower water faucet to this plastic barrel, conveniently modified for testing and flushing portable engines all year round. Down issue, spills out to much water if too much throttle is applied + cleaning oil mess leftovers inside tank once water is completely drained through...
  2. Sea Rider

    87 NS25C2 Rough Idle, Rough Mid Range, Fine @ WOT

    The upper timing rod distance should be around 35.0 mm as in pic. check yours. Which color are your actual rod snaps, white or black ? There's no gasket in middle ckarankcase's halves, are sealed with permatex only. The groove on old cam probably came so, a matter to compare it to a new one...
  3. Sea Rider

    87 NS25C2 Rough Idle, Rough Mid Range, Fine @ WOT

    No need to change the throtttle cam if both models shares same. What you need to do is play with upper stopper located at 3 o'clock right of arm. The 25 is timing/carb restricted as both 25-30 are same CC. It's a cheap way of restriction. You need to place grip at idle, move gear level to...
  4. Sea Rider

    Emergency On-The-Water Repair - How To? What Product?

    If the gash is relative not that long, the quickest way to "repair" it momentarily is inserting a rubber cone into tube, comes in different sizes. Once on Terra Firme" you can patch tubes properly. For larger gashes something like this : Both are used for quick patching while at sea. If...
  5. Sea Rider

    Tohatsu 40 TLDI .... Compression 20 PSIG low on one cylinder

    Before venturing in a repair quote, I would perform firstly a prop hub test + chamber spray decarbon. Some things to know : -How old is that combo ? -How's battery condition, is it the right one with correct amp ? -Are all fuel circuits tank to carb immaculate clean, including fuel separator...
  6. Sea Rider

    Throttle Cam on 2001 2 stroke 30 hp

    That model has a fixed carb cam that connects to advancer arm, it's not adjustable. Did not understand your post well. Did you play with carb's a roller arm height, with Timing Assembly link rod connected at upper portion of advancer arm or lower link rod height that connects too to advancer ...
  7. Sea Rider

    Opt Engine/Transom Height

    Trim setting : If you vary trim from ideal 90 angle you will experience best prop thrust loss due to varying the prop angle of attack and achieve unwanted drag resistance on upper or lower AV plate as seen on pic. Once you have dialed sweet engine/transom height spot you can go after a prop...
  8. Sea Rider

    Opt Engine/Transom Height

    At speed water flow will pass under 4 possible LU heights : Right above water deflector plate. If so will achieve water splashes over & out transom, will need to raise the engine accordingly to avoid this situation which will slow you down making near impossible for sib to plane out on those...
  9. Sea Rider

    Opt Engine/Transom Height

    My local boating club has a 800 Mt rowing water course, if in need to fine tune engine transom height for a spot on perfect match after initial setup, we use this nice facility. Most tested sibs were wooden, alum, flat air decks versions, tiller driven engines and manual trim up to 30 HP...
  10. Sea Rider

    Tohatsu 60-250 HP

    Tohatsu 4 strokes family has finally grown, in joint venture with Honda launched its new 4 strokes 60 to 250 HP engines. Seems a case of why make own models if someone with proven technology can rebadge it for you. Are all these models available in USA ? Happy Boating
  11. Sea Rider

    Opt Engine/Transom Height

    Was wondering how many of you assumes, have experienced over or back transom water splashes, prop ventilating on choppy waters or at tigh close turns at speed ? Have you been in need to adjust trim angle to avoid any of those mentioned issues, did it work for you ? Happy Boating
  12. Sea Rider

    Saturn planing success!

    With 2 up, sit extra boater up front or on removable front seat if sib has one. Once on plane, check water flow where exactly is passsing by. Sorry to be picky on this particular point, but the whole deal here is to find the sweet spot that has the least lower unt drag for 7.5 HP engine to...
  13. Sea Rider

    Buying my first boat, need advice on options

    Sebastian, Assume you already know if going for a rib will definitely need a trailer, so seems already on your your plans , right ? Plan on using a centrer console with remote steering or just a plain open rib ? Mercury Marine has a Ocean Runner 430 rib for max 7 passenger and 40 HP engine...
  14. Sea Rider

    Wake Chase

    Windy, choppy, wavy sea conditions at off shore distances from coast line gives a very uncomfy & bumpy water ride specially if outing with inflatables while seating on tubes or on deck. You've seen lots of different vessels cruising on those uncomfy conditions. Any sib/rib can take advantage...
  15. Sea Rider

    Tohatsu 2 Strokes Match

    Was wondering if a 5 HP Impeller and key is exact same as the 8 HP model, with just different codes. Or to each his own ? Happy Boating
  16. Sea Rider

    Global Sea Madness

    We don't have storms down here, the Pacific Ocean still reamins pacific. but we have experienced in just 4 years tide line changes with respect to its distance to shore line from it used to be years back, including severe and costly damages to property next to sea. From time to time the costline...
  17. Sea Rider

    Global Sea Madness

    Was wondering if you guys are being affected in some way in places you launch your sibs/ribs from. If so, in which ways could that be happening ? Happy Boating
  18. Sea Rider

    What Do You Do

    What do you do when off shore on flat calm waters and suddenly turns windy, choppy, wavy. How do you return with sib/rib to launching site safely ? Happy Boating
  19. Sea Rider

    AVP Theory Vs Practice

    Wanted to start a talk with you fine boaters, regarding engine's anti ventilation plate height theory versus practice. Everybody states as cast on stone that AVP should be about even with hull, seen vids on which a long ruler is used to raise AVP to match same hull height. Well this is not so...
  20. Sea Rider

    Suzuki 30 HP

    Need to buy a 2 stroke Suzuki 30 HP engine, are they any good, have down tech issues ? Would you pick a Yam 30 instead of a Susy 30 ? Thanks in advance. Happy Boating
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