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Spreading the joy and good word for our sport: https://sprinter-source.com/forums/index.php?threads/136560/

Have you contacted Chris at @JetManiac yet?

Just a head's up. Most of the shoes I have stand up jet skied in have had the soles at the toes peel off. The soles of the Nike wrestling shoes I posted above are glued and STITCHED and after heavy use this Summer, the soles at the toes started to peel back about a 1/4 inch, but the peeling...

Way to give back to the community Wax. Can't wait !

Just run it as a 650 for now. The 650 is not anemic. I put a 701 from a Waverunner into a Square Nose and, yes, it is slightly more powerful and I am glad I did it. But the 650 was fine for starters. You CANNOT compare a SN SJ 650 with a Kawasaki 550sx. The 650 SN SJ is much more ski. Even...

Don't buy a "project" ski. Buy a ski which is nearly as stock as possible. As @Big Kahuna says: "That SN is mint." Quit dinking around and offer the seller $2800 for it especially with the stand and go get it. @kevbo knows allot more than me, but the premix oil in that 650 has "fogged" the...

That 1990 650 Square Nose Super Jet is reasonably priced at $3000 and would be a steal in the current market at $2500.

^^^ Wait just one minute! Is that why my Keihin CDK2 carb leaked a pint of fuel into the crankcase in the 550sx during a Summer of non-use?

Amen, Brother. Verily, I am subscribed.

https://sacramento.craigslist.org/boa/d/sacramento-2020-yamaha-superjet/7790877726.html Why don't you guys help the guy out instead of picking on him?

Just a little comment here. My wife's '88 X2 has a single Mikuni SBN 44 carb and a B Pipe (but tuned to have linear acceleration) and it works fine but it has no way near the power of a Yamaha 701 with stock exhaust with dual SBN 38's.

Bump: https://en.wikipedia.org/wiki/Clayton_Jacobson_II @SUPERJET-113 Can you find what you are looking for by contacting Pro Rider Watercraft Magazine?

The Bladder rocks!

@dirtyjrzy This will all come full circle and provide useful info to you and to others. @Roseand Ok, then to obtain bottom end freeride/~freestyle performance, should I / can I put a 61x cylinder on top of that 62t engine that I already have? What is involved? Can I just use the 62t...

@Roseand are you saying that the stock dual SBN 38 62t engine in my 1996 WaveVenture will make the same or more bottom end as the stock single SBN 44 61x in my 1995 FX-1? I always thought that I had to put a 61x top on it. But should I just swap it as is?

https://blog.amsoil.com/how-does-a-two-stroke-power-valve-work/

^^^ @Jetskimann You are starting with a clean sheet. I know you have your own ideas, but you may want to ask these guys what engine they would like you to build.

So is an AM power valve cylinder stock stroke engine the best of both worlds? Reliability and a Reasonable Power Increase? This statement from @Jetskimann is what first got my attention: "We made the crankshaft in various strokers, at the moment we will not make them any more. The pistons...

I am not gay. But I do ride flat water. Not that there is anything wrong with it. (Riding flat water, that is . . .)

@kevbo I appreciate your knowledge and experience. Is there any 1. weight difference and 2. reliability difference: between a 1200cc engine which has power reduced compared to a ~800cc which is based on a smaller engine? Also, seriously, it is my understanding that I heard that Blue is on...