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SOLVED! I rejetted the carb with these settings: 75 pilots 135 Mains 1.5 N/S w/65gr silver spring 1 Screen on each Flame Arrestor (down from 2). And it rocks! From what I've gathered the popoff is going to change from person to person because of altitude/air pressure. I originally tried...

Thanks for the replies. I'm sorry I forgot to mention that I am running dual cooling as well (2 into the exhaust manifold & 2 out of the head) From what I've read on other forums, I think that YAMAHA set up the carbs like this in the wave raider because of overheating the the rear cylinder...

Ok so I've got a tuning/jetting nightmare on my hands. I put a 62t/62t into my square nose from a 95 Wave Raider. Running dual 38mm carbs, added some boyesen reeds, brand new factory B Pipe, & I milled the stock head down (186psi in each cyl.) From the factory site I've got the carb jetting...

Ok so I determined that I needed to do a leak down test. It was much easier than I had thought it would be. ( I used this as a guide: http://www.x-h2o.com/threads/1303-Pressure-Test/page4 ) and I found one of the bottom crankcase bolts were loose and pissing out fuel & oil. I tightened it up and...

Ok so I've been working on my ski all winter getting it ready for summer and I've run into an issue. Here's what I've done to it and what's going on: It's a '92 SN and I've spent 3 months re-shaping the nose, tray & footholds. I sold the 650 and put a 62t motor in it from a wave raider. (Note I...

Watch out. I had a js550 that would run out of the water but could not get it going once it was in the water. Took me forever to find the 1" hole in the bottom/side of the crankcase. (Previous owner had dropped a nut inside and the crank brought it around and punched a hole out the side.) i'd...

Hey guys, I'm just finishing up my ski and before I laid up the glass in the tray I ran dual 3/8" cooling lines. I'm now stuck as I don't know where to tap the pump for the 2nd line. Both lines come out on the left hand side (where the original was). I have a '92 Superjet and the only options I...

I'm in the process of re-building my '92 square nose SJ. I'm turning it from a square to round nose, widening the tray, and adding my own custom footholds. After reading up on some other builds the common theme was 2 layers of 12oz biaxial fiberglass and one thinner layer of 6oz e-glass all...

I had the same thing going on with my 650 SN but it built up more gradually. I would take it out and randomly after riding it wouldn't start again. I could wait 10 min and it would be fine again. It started getting more consistent and i could only run the motor for a few min, it would die and...

I went for it! $900 for the 701 Wave Raider, great shape. I've taken it out twice now and it runs great. Now I've got to work on parting it out and putting the 701 in my superjet. I'll be posting in the classifieds soon if anyone needs parts.

Ok so to clarify I'm not going to put my 650 in the wave raider. If I buy it I'll part it out and sell my engine separately. #1 Is this still a good deal (701) for $900? Basically I'm cheap, will I make my money back? #2 should I wait for another 760? Or will the jump in power from the 650 to...

Turns out the engine was a 701. Going to wait for something closer or cheaper. I assumed all the wave raiders were 760's, I'm glad I checked before I left.

Ya so the guy isn't sure what size engine is in it. Waiting to hear back if its a 701 or 760. If i do get it I'll just part it out, I don't like getting burned and I try not to burn other people.

Hey guys I have a 650 square nose and I want to upgrade my engine. I've found a wave raider 760 (rebuilt and bored out) running great for $900. The problem is my wife doesn't want me to spend the $$$. Would I make enough off of selling my 650 engine and parting out the rest of the wave raider to...

My 92' Superjet. Picked it up a couple years ago for $400. Have about another $400 into it now but its running strong. Just painted it this summer and she's looking great. Paint job was inspired by someone with a similar design. Hopefully this winter I can get some Yamaha decals, footholds, and...

Too bad you didn't get a better picture of the ski on the left, it looks sick!

Thanks OCD. I have a buddy at work and another in MO that suggested JSS as well. I may send it to him this winter if I tear into my ski. I did save my CDI as I have a bad habit of not throwing anything out (need an original aluminum chewed up prop?) I did swap out the voltage regulator and got...

I've got a 55Gal barrel that I've been jumping in the river but I want to go a little higher. I've been inspired by this video: http://www.youtube.com/watch?v=vTNZJx40xB4 and I want to try and build something for either the river or at the lake. The problem I'm having is that when I search for...

Thanks r6487 that superset manual is gold. I replaced the CDI and the ski runs great. Had it out for a day and a half until I found out my battery wasn't charging. Seems that the regulator in the electrical box isn't testing out and my battery isn't holding a charge anymore so I'm replacing...

byeai After I've run it and its warmed up it dies. I can still crank it no problem but I have no spark. If i let it sit for 10-15 min the spark comes back. marker motorsports It would be Ideal but unfortunately I don't have a buddy to swap cdi's with. If I can find a schematic I'd like to test...