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  1. MTRHEAD

    Best pump for 2023 Yamaha Superjet

    an acquaintance bought one of these last year. Same TAPERED! he had to fix it. Hard to believe a company as big as solas is still machining with something that is flexing and tapering the bore. I've heard they can still be an issue on the superjets too! if buying new get one from John...
  2. MTRHEAD

    WTB: Thrust Innovations or Thrustone billet couplers

    Looking to buy Thrust Innovations or Thrustone billet coupler(S) I really only need the engine side but willing to purchase set. Please PM if you have a set. (Thrust(s), Lee Stone, and JetManiac all out of stock) Thank you
  3. MTRHEAD

    Legdragger64 great seller

    Yes - honest.
  4. MTRHEAD

    Thrust Innovations? Or Thrustone?

    Thanks! got them from JetManiac
  5. MTRHEAD

    Skat brand 144mm nozzle

    Looking for this Skat nozzle. I think they may have been also cast with Blowsion on side. These are from 20-25 years
  6. MTRHEAD

    Thrust Innovations? Or Thrustone?

    Does anyone know if they are still around? I’ve emailed and called. No response Looking to purchase more couplers
  7. MTRHEAD

    FS: 81.5 750 Kawasaki Pistons Wossners 20mm pin

    For Sale: 81.5mm Kawasaki 750 Pistons 20mm (small pin) Wossners. New $150 Shipped in USA
  8. MTRHEAD

    FS: 84.5mm New Yamaha Pistons 760 SJ

    For sale: 84.5mm Wiseco pro lite pistons Complete 2 - pistons, rings, pins, clips. NEW They are light before Wiseco went with less machining. All sharp edges deburred Fit 61x/62t setups $150 shipped in USA
  9. MTRHEAD

    Want to Buy Lamey, Racers edge, Dasa, RD, Riva 7 port sleeves

    Still looking for a cast cylinder with PowerValves or the bosses for Powervalves Prefer old small bore. Thanks
  10. MTRHEAD

    Old guys

    19 years it says!! I was on rec.sport.jetski in 90’s
  11. MTRHEAD

    WTB. Superjet Square Nose Hull or Complete Ski

    WTB: looking for a 90-95 Yamaha Superjet Hull or 90-95 complete ski to build an other race boat with my son. I already have one just need one more. Midwest area preferred Message
  12. MTRHEAD

    WTB Superjet hull bottom any year 90-20.

    Wanted To Buy: superjet hull. Bottom only can be a basket case. Any year 90-20. completely stripped is fine and preferred. broken, defoamed, soaked, doesn’t matter. this is not for a build. please Pm
  13. MTRHEAD

    New Crank works 4 mill stroker crank Kawasaki

    Do you know if they are 135mm GPR or 133mm Kaw versions? Many cranks were made with either. Most over 77mm stroke got the GPR rods but can’t tell from your picture
  14. MTRHEAD

    New Crank works 4 mill stroker crank Kawasaki

    Are those 135mm GPR size hot rods?
  15. MTRHEAD

    Rocky Mountain Fantasy SX

    Thank you! Lots of fun! Bring on the outdoors
  16. MTRHEAD

    Rocky Mountain Fantasy SX

    Wow what an end in 250! I forgot to put in my picks and boy did I get lucky. Everyone got close! Fun this year again
  17. MTRHEAD

    Super Jet Speedwerx Dry pipe on 62T 760?

    Difficult question. Depends on your detonation level and somewhat rpm. Personally I ran all oem bearings, ran 62t pins in the RD flat top pistons (Kawasakis forgings). I know some people were changing 20 hr mark but thats a little crazy if your still hold compression and no deto issues...
  18. MTRHEAD

    TPE engines backstory

    CPI has been making watercraft stuff forever. Lots of cast pipes came from CPI. All private label
  19. MTRHEAD

    TPE engines backstory

    That’s true. I was working with Calvin in 2011/12 (maybe late 2010 we started work) to create a triple cast Kawasaki 1200 for racing. He was taking the doo sledshop cylinder and machining the sides for 120mm centers, then we welded the castings together and the added the holes for the zxi cases...
  20. MTRHEAD

    Rocky Mountain Fantasy SX

    lol. Possible Almost more than my checking too.
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