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  1. Big Chris

    My ET 967 build for 2022

    We might part with it in the near future..
  2. Big Chris

    Factory Pipe w Jet Maniac Water Box

    $1300 shipped to CONUS Factory pipe "Limited B pipe". We've owned this pipe since 2018. This pipe is in excellent condition. All water adjustment screws turn, and all threads in the manifold are perfect. Has seen liberal amounts of silver anti-seize over the years. Manifold is tapped for...
  3. Big Chris

    ET 967 Tuning Thread

    Ran the ski tonight. It is significantly better, but it still dribbles. It does it when the throttle is closed and the engine is losing rpm., decelerating from a throttle "blip". I imagine that this is because signal to the pump is high and fuel demand low, so fuel pressure is probably...
  4. Big Chris

    ET 967 Tuning Thread

    I pulled the carbs tonight and doubled up the clear plastic check valve on the kidney shaped valve body. I got everything all back together and ready to test. I made no other changes. Verified pop-off and I should note I've got the shiny silver spring (the slightly shorter one with less coils)...
  5. Big Chris

    ET 967 Tuning Thread

    Tuning questions: (current jetting calibration below) ET967, runs great and is crisp BUT.... carbs dribble out of the booster venturi at idle. I can see this looking down the carb bores at idle. This gives us an off idle hesitation after say 20-30 secs of idle (that is certainly rich and not...
  6. Big Chris

    Powerfactor Pipe O-Ring sizes

    I did the same as you and bought a bunch of them... They certainly dont last long. The 2 that go on the PFP V3 pipe are: 75mm OD x 5mm thick The one that goes into the manifold is: 86mm OD x 5mm
  7. Big Chris

    Power Factor Exhaust, Install

    2021 XFS Ninja Pro V2. I have the same issue you do. And with how short our hull is the front hood hook receiver bolts sit directly overtop of the pipe. Even with short bolts and nylock jam nuts I have very little clearance, maybe an inch. I bough these which has 3M adhesive on the back...
  8. Big Chris

    My ET 967 build for 2022

  9. Big Chris

    ET 967 Tuning Thread

    Can confirm Prickter's jetting recommendations work very well. We are running a similar setup. We are slightly richer, but ambient air temps are cold right now (between 40-55F). 160 psi Dual 46s on a Riva Mani with 760 reed cages 2.3 N&S gold springs pop off is 22psi 125 pilot 115 main 1-1/4 out...
  10. Big Chris

    My ET 967 build for 2022

  11. Big Chris

    My ET 967 build for 2022

    E-Box Work. Transferring our MSD enhancer over to another ebox and adding the 62T zeel to the ebox for the 967.
  12. Big Chris

    My ET 967 build for 2022

  13. Big Chris

    My ET 967 build for 2022

    Engine Assembly with my son.
  14. Big Chris

    My ET 967 build for 2022

    A little engine porn. Assembly video to come. Can't thank Chris @ JetManiac enough.
  15. Big Chris

    My ET 967 build for 2022

    Close up of the engine cases and a mock up of the build.
  16. Big Chris

    New Zeeltronics Y62T CDI

    thanks
  17. Big Chris

    New Zeeltronics Y62T CDI

    I have a question about this curve and how it works within the Zeel Programming. And maybe this has been addressed before and if I missed it, sorry. In table and graph below, we see that the at 1500rpm timing is set to 18° BTDC, then at 3000rpm timing is set to 32°BTDC. Does the timing change...
  18. Big Chris

    My ET 967 build for 2022

    Managed to buy a ET967 kit after Art passed away. Kit came with head, domes, cylinders, powervalves, pistons, rings, wrist pins and all orings. I will document the build here. This engine is going into a 2021 Rickter XFS Ninja Pro V2. I needed to make crankcases, which I covered in another...
  19. Big Chris

    New billet manifold

    Any updates to this? Estimated availability?
  20. Big Chris

    Reproducing ET Crankcases

    Nice try to deflect. You still haven't added anything to substantiate your original claims. Which for a chemist, is just poor science. There are two now: 1) anywhere under ~2000 rpm oil is falling and/or stationary. so anytime it is at idle the bearings are getting additional oil. 2) Use...
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