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  1. 550/440

    Running 38s on a 760. Need jetting help

    Built a 760 for a friend, but he has stock 38 mm carbs. Looking for a starting point for jetting. Has a B pipe and that’s it. Stock head and everything else stock.
  2. 550/440

    Mag pump and impeller pitch

    I’m running a 144 stock Yamaha pump, and will be buying a stainless mag stator soon. Do I need to re-pitch or change my impeller? I just read through 5 pages of posts via the search button, and still don’t have an answer. Thanks in advance.
  3. 550/440

    1990 square nose drive shaft and mid shaft

    What drive shaft and mid shafts will fit (correctly) the bare hull I just picked up? Looking to get this thing on the water by next month, thanks! EDIT - it's a 1992. Any ideas what drive shaft and mid shaft are compatible?
  4. 550/440

    62t case porting

    I just finished the rough cut of my 62t cases to match my DASA transfer areas. I thoroughly prepped the water jackets on the cases, then filled them with Devcon. Everything looks and feels really well matched to the cylinder (test fit, mark, re-work, test fit, mark, rework). My first concern...
  5. 550/440

    Other Locking up your ski

    In light of the recent thefts in California, I was curious. How do you guys lock your skis up when traveling? I have a Krypton bike cable that I run through the pump tunnel and out the steering nozzle, then strap it to the trailer, and it's strapped down to the trailer and usually under a...
  6. 550/440

    FX-1 140 pump in my wifes FX-1

    Did the conversion, running with a straight 15 Skat. Spins (cavitates) down low, pulls strong in the middle, hits the rev limiter on top. I am thinking about a 16.5 or a 13/18, what are you running? The engine is a stock 61x with a b-pipe and a modded stock waterbox.
  7. 550/440

    Super Jet What is the deal with "couch mounts"?

    Are they a direct swap for busted SJ mounts, or are they bigger / is there something that needs to be done to make them work, or are they just a stronger mount?
  8. 550/440

    Other SXR chamber on a 760 Yamaha?

    Anyone ever run a Factory Pipe SXR chamber on their 701 or 760? I've got a Q8 and I'm going to be installing a 760, and was curious. I am ordering up the correct exhaust manifold, but was just going to run my SXR pipe instead of having to sell it and buy another FP chamber.
  9. 550/440

    Super Jet Any ideas WTH I have here?

    Pic 1? Pic 2 label says ABLE .020 copper base g(asket) $32.50 - is this for an ABLE billet cylinder? Just a guess from the ABLE on the tag. Pic 3 / 4 - looks like a billet / aluminum exhaust bracket but not sure for what... Pic 4 - MSD coils, but no idea what they would be good on... Pic...
  10. 550/440

    Turf jobs with molded foot wells

    I just ordered a bunch of stuff from Hydroturf for my wife's FX-1. I was going to do a flat bottom pad, but started checking out all the skis with molded bottom foot wells. The FX-1 has some MONSTER footwells installed, so there is going to be a lot of slop, hoping to help her out a bit with...
  11. 550/440

    SXR TBM pump stuffer and 10/16 Hooker impeller, now cavitation off idle

    I installed my 10/16 Hooker and a TBM stuffer on Sunday. Now I get intermittent cavitation from just off idle. I have a Q8 hull, andthe pump was siliconed in. I've checked the silicone and don't see any gaps or issues, just smooth silicone. Any ideas why I'm having cavitation issues? I...
  12. 550/440

    Custom/Hybrid What waterbox are you running in your Q8?

    I'm building my EME Q8, and want a good waterbox that fits... what are you guys running in your Q8's? I'm looking at the ATP superjet box, a stock RN box or a stock SXR box so far. Thanks, Jason
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