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  1. J

    25hp Suzuki

    Hi Guys, can you tell me if the gearbox lower units are interchangeable between the 2 and 3 cyl 25hp 2 strokes? Thanks.
  2. J

    Suzuki 25hp cleaning water passages

    Hi Guys, I have a Suzuki oil injected 25hp 3cyl 2 stroke 1990 model that won't pump water. I got the motor about a month ago and was told it hadn't been started for a year or so. I fired it up and it ran ok but didn't pump water and got hot. I changed the water pump that looked a bit rough but...
  3. J

    Sea-al Super Skua

    Anyone know where i can find an imaculate sea-al super skua? Must be origional model. Anyone know what happened to the molds? Can i have one custom built?
  4. J

    Which 30hp for hi performance? yamaha ??

    Im looking for a 30hp engine and top end performance is the main requirement. I foolishly sold my 25hp suzuki and replace it with a 4ohp 2cyl tohatsu. The suzuki was just as quick. They don't make these 2 stroke suzuki engines anymore. Any ideas for a hi performance 30hp? im leaning towards a...
  5. J

    Fastest straight line outboard hull??

    Does anyone know what the fastest hull for straight line speed would be. Im talking outboard power here. F1 boats have a tunnel hull but i alwayse thought that was more for just cornering speed rather than just straight line. Could it be an inflatable due to its light weight? I dont know the...
  6. J

    What prop will reduce cavitation?

    When i trim out my small outboard im experiencing a lot of propeller cavitation. Someone suggested getting the prop cupped. would this help? also would a biger prop help? Thanks.
  7. J

    converting yam 40hp enduro to s/shaft

    Could anyone tell me if its possible to convert a yamaha 40hp enduro (current model) to short shaft?
  8. J

    Thundercat inflatable side peeling off.

    A thundercat inflatable im looking at has had one side if the boat compleatly start peeling off. It has dropped right down and seems to only be supported at the bottom now. They say this can happen when left in the sun full of air. Im wondering if its possible to glue the boat back together. The...
  9. J

    Can i shorten tiller arm on 50hp Yamaha 99'

    Im looking at a 50hp yamaha 2 stroke 99 model. Problem is the tiller arm is too long and hits back seat. Can it be shortened? Its got gear shift on tiller also which may be a problem in shortening? thanks.
  10. J

    yamaha 200hp 1989. Are they long lived?

    My qusstion concerns one which has been sitting on my dads ski boat and used less than 10 times in the last 7 years he has owned it. Im thinking of buying the boat but im told Yamahas are expensive to fix. Prior to us owning the engine we beleive it was used in a commercial environment. Last...
  11. J

    Whats done in an outboards 1st service?

    Im wondering if anyone knows what happens in an outboards 1st (10 hr after run in) service. Just wan't to see if its something that could be done at home. Also is this whats required on second hand engine thats had 1 of its pistons replaced?
  12. J

    Tohatsu 40hp. Whats best 2 or 3 cylinder

    Does anyone know if theres any advantage of tohatsu 3cyl over the 2cyl. I would rather the light weight of the twin however i suspect i would get more power from the 3 cyl. Im concerned the twin may cease production soon as its been around for a while and seems outdated in comparison. Any...
  13. J

    40hp tohatsu 99 & mariner 93 mod. valuation

    Im looking at 2 motors at the moment and can"t decide which is the better buy. 1st is a 40hp tohatsu twin cylender 99 model $2,500. The other is a 40hp Mariner(yamaha)93 model $2,000. The Tohatsu has had piston replaced due to an overheating incident with a plastic bag but looks like new...
  14. J

    Lightest material to build hi speed boat???

    Im looking into various boat building materials and hope someone can help. For a hi performance outboard powered hull what would be the lightest? I think it would be kevlar or aluminium but which would be the lighter of these 2? How about the strength to weight ratio which is also important?
  15. J

    40hp short shaft tiller steer wanted...

    Im after a 40 hp tiller steer short shafr outboard. Im from Sydney, Australia. Motor needs<br />to be pretty light and in good condition. Idealy<br />a Mariner up to about 94 2 cyl twin carb. These<br />motors were built by yamaha so the equilivent Yammie would also be ok. A twin or even 3 cyl...
  16. J

    40hp Tohatsu vs 40 mariner (yam) 2 carb?

    Im thinking of upgrading my 25hp suzuki with a 40hp Tohatsu. I need a short shaft so pretty much stuck with a tohatsu or an older Mariner (built by yamaha) or of course a Yamaha its self. Any idea which of these engines would be the best? Im mainly interested in performance but of course...
  17. J

    How can i turn 25 2cyl 2 stroke sukuki to 30?

    Hey guys i have a 25 suzuki 93 model. I need more power. The 30 suzuki is the same basic motor. Does anyone know whats involved in upgrading my 25 hp to 30 hp or mabee a bit more?<br />thanks...
  18. J

    Accuracy of outboards claimed hp ratings?

    Does anyone know exactly how accurate a manufacture has to be when statind hp ratings for a particular engine? I read somewhere that<br />there was a 10 percent leyway. anyone if this is true for both japanesa and american manufactures?
  19. J

    suzuki 25hp - more power needed

    Hey, does anyone know how to get more power from a 25 suzuki 92 model.
  20. J

    Mariner 40hp year?

    Can anyone tell me what year model this motor is: <br /><br />40hp Mariner<br />Short Shaft<br />Serial No: 6e9 s 019085<br /><br />Also anyone know how it compares to a 2 Cyl 40hp Tohatsu for performance?<br /><br />Many thanks, Jason
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