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  1. Re: Jet SKi Bible / Watcon 2-stroke technology manual

    Where is David Simon? Last time I spoke with him he was in Europe
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    Re: Yamaha pro-tec mach 2 Pipe for sale

    huge picture
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    347

    Re: Yamaha pro-tec mach 2 Pipe for sale

    Never trading my Protec Mach 2 for another pipe. Not even for a mint RD setup
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    347

    Re: Yamaha pro-tec mach 2 Pipe for sale

    By design it is very similar in "size and design" to the RD, the Speedwerx dry, and the Type 9 Dry

    Positives: its a WETPIPE more RPM capability than B - similar tuning to RD. Good fast pipe for...
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    Re: Yamaha pro-tec mach 2 Pipe for sale

    Pm you
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    530

    Re: 760 Cylinder Height

    All 68mm stroke twins and triples 650/701/760/1100/1200 119.0mm
  7. Re: Is the RD-Performance Air Filter a good choice for the SXR 800??

    They are stainless. KN tried paper and it was a joke in watercraft
  8. Re: Is the RD-Performance Air Filter a good choice for the SXR 800??

    Yes. I used the rd pro plenum on my SXR lites race ski after testing probably 5-7 different setups. Remember on water you want stainless mesh. Not paper or foam like dirt bikes
  9. Re: Trick dual 44mm SBN intake system setup Superjet/Blaster

    Sold
  10. Trick dual 44mm SBN intake system setup Superjet/Blaster

    Trick dual 44mm SBN intake system setup Superjet/Blaster - strong hard hitting setup. Selling because building a lites ski. included a picture with a cut away 62T case to show how it works - $275...
  11. Re: 61x cylinder max bore, conflicting info on website

    I ran a 84mm 61x cylinder with a dry pipe, 170-175 and it lasted for the few years I used it. No issue. With OEM electronics you not going to turn anymore than 7200-7300 if its massively modified. ...
  12. Re: Scored a sxr... Needs some engine advice, 750 engine the same?

    All big pin cranks same. Don't waste time on sleeves buy a cylinder. Sxr cylinders are hard to come by. Xi is similar. Sxi is best speed. Sx is fine. All can be bored to 82mm to start if you have...
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    Re: aftermarket hulls

    Kommander gp1
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    902

    Re: R&D Dry Pipe for Superjet

    I have a complete RD drypipe. No leaks on the pipe chamber and no patches on the pipe chamber

    Spare - new never used coupler, o-rings, square-ring, and lord mount.
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    Re: SXR800 Hull with a 951 engine

    given state of SXR prices 5k seems high. im sure the person has more in it...but remember not many people are buying those.
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    Re: Yamaha pipe question?

    Dry superjet pipes work best when spun 7600-7700 rpm.

    Riva red in picture was Superjet. They made an fx1 with a longer snout, waveblaster, wb2, and raider style. I know of 5 or 6 reds (cast...
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    Re: Yamaha pipe question?

    spot on
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    Re: What is going to happen to the SXR?

    I would never build a 1100 unless your going racing and don't want to get an aftermarket ski or the SXRF.

    #1 you can buy one already built cheaper by the day
    #2 they are not that fun recreational...
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    5,088

    Re: Yamaha pipe question?

    Pics of the red.
  20. Replies
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    5,088

    Re: Yamaha pipe question?

    526235526234526236


    I have a Mach 2 on a stock spec superjet right now. It's a very large pipe similar in size to the Speedwerx and/or the Type 9. Back half is wet so its legal in stock spec. ...
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    5,088

    Re: Yamaha pipe question?

    Which Protec?

    Mach 1 or the latest Mach 2?

    The negatives we all read is the mounting of the chamber on the protec's. Its not if they fall apart/break but when.


    Speedwerx was my...
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    Re: Pipe identify quiz. Factory chamber.

    525248Waveblaster mod chamber. Here one is in my superjet last week
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    Re: Pro-tec Exhaust

    that's a MACH 1 pipe
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    Re: kawasaki 750 cylinder questions

    You can bore any PRE SXR cylinder to 83mm. Very last reliable bore - Kawasaki sleeves are soft and crack easier than Yamaha's. Saying that I wouldn't go over 82.5 right off the bat. Kawasaki...
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    Re: Here we go again...gas prices.

    5213261.98 in Loudon Tenn
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    Re: Here we go again...gas prices.

    Saw 1.97 driving through Ohio in multiple spots
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    Re: WTB Polaris octane dry pipe

    Thundercat has some
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    1,879

    Re: Christy Carlson Team Butch Ski Build.

    Nice!
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    Re: 00 SuperJet & 83 Kawi 550JS Race Ski in PA

    My stickers!! One of my old race boats.
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    Re: 00 SuperJet & 83 Kawi 550JS Race Ski in PA

    At one time 15 years ago that SJ won the Midwest tour (Region 6) tour

    Brings back awesome memories!!
  31. Thread: Titanium bolts

    by MTRHEAD
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    2,340

    Re: Titanium bolts

    You used to be able to buy complete boat kits. GP1200R I think was the most common
  32. Re: Modified Yamaha Cases (6m6 with Kawi 750 Intake)

    Ada, riva, and a few others made these. Rivas was cast welded on and I think ada's was billet.
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    Re: LTD Ski class solutions

    Wonder if there is any progress on this?

    I think with the new SXR-F fitting in STOCK and OPEN there is now a clear path to a class in between.

    The 55mph max class makes even more sense. ...
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    Re: LTD Ski class solutions

    IJSBA killed limited for 17'. http://www.ijsba.com/2016/10/06/ijsba-releases-new-2017-ski-stock-rules/

    Hopefully we can get: Stock, some form of spec like the 55 mph idea, proski open
  35. Re: F.S. Speed Works Dry Pipe & Manifold Yamaha SJ 701

    That picture is not the dry pipe.
  36. Replies
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    Re: LTD Ski class solutions

    Some input:
    Length should include new Kaw
    Yes 15k max
    Yes on pump gas compression like sport spec.

    Maybe the right speed is +3% of stock SXR-f or what ever the new thumper is. Probably...
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    Re: LTD Ski class solutions

    Well we need to then voice the concern/desire during the suggestion and voting period. 55 I think is better than 60.
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    Re: LTD Ski class solutions

    That would be awesome!
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    Re: LTD Ski class solutions

    Excellent post!
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    Re: LTD Ski class solutions

    perfectly quoted - exactly why I responded to Chris
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    Re: LTD Ski class solutions

    Sport spec has a no race gas rule. I really like the sport spec rules

    How could we push for a sport spec type rule?

    How did it happened for sport? I wasn't interested at the time so I didn't...
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    Re: LTD Ski class solutions

    Interesting I've been thinking on how to bring back the limited class too. But more along the lines of 55 mph bolt on parts or even stricter limited rules like years past to keep costs down and...
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    Re: Tigershark TS1100R Part Sourcing

    I have one of these pipe chambers - for sale
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    Re: pjs supercylinder question

    Which PJS cylinder do you have?
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    Re: 09 YAMAHA SUPERJET-Lites or Stock Spec

    You can run the Protec trim nozzle just can't use it with cable. Can't be a trim. Oem is a trim setup just not complete
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