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Thanks for confirming that Wax - off to look for the leak.

This is a long shot but is there any way to mis-wire a zeel that would lead to a runaway condition? I just rebuilt my engine last year with genuine OEM crank seals and did a full leakdown before final assembly. It's got 9 hours on it with stock cdi and was running great so far this season...

The general starting point for 44 sbns on a kawi 650 are 120p, 140M, 2.0 N/S and an 80 gram black spring which is 21psi pop off. Start about 1.5 turns each and start tuning via the mikuni manual. FWIW look at the base of your carb and the specific model should be stamped there. Depending on...

Over the last couple of years I've been playing with different impellers on my ski and wanted a consistent way to measure and adjust them. There is the one from beerdart in the tech section but the trailing edge angles are too high for the standup crowd. You could get the specific models from...

Just a little bit of forward movement is really all that it takes. I've just defaulted to feathering it out of a dead stop but assumed it should be better. How much does hull/ski weight matter? This thing is waterlogged and due for a refoam but I didn't want to take the time right now. It...

The ski has an aluminum pump shoe and it looks to be very well sealed. It also came with a protec moflow intake grate which looks like a worx 201 with the outside fins setback from the center. The pressure drop makes sense - while I've verified my midshaft doesn't leak water could it leak...

Rather than start a new thread I thought I'd just resurrect my old post. I just swapped the 10/16 on a couple weeks ago and while it is better than my previous impeller the low end thrust is just not there. When I nail the throttle there is no hesitation from the engine and rpms will shoot all...

Ran into the same thing last year and took mine to 47mm - just matched both sides up to the gasket (not a big bore gasket) I got from JM and blended it in with no issues. Some older history on them as well: https://www.x-h2o.com/threads/b-pipe-manifold-diameter.9561/

Are you using the OEM 760 intake and if so did you epoxy the crossover? If you have a fuel dribble problem you could get an offset valve body: https://www.x-h2o.com/threads/mikuni-sbn-fuel-dribble.190084/page-2

Looks like what was programmed on my y62t - just plugged it in and verified:

What do you have for water evacuation? single/dual bilge pump, scupper, factory siphon? As long as you keep the splashing water down inside the engine compartment those FAs will likely be fine. You can always make a turf splash guard or fancy tupperware box setup that is floating around here...

Did you modify the Wax v3 curve at all for your 781? Also is there a good reference article on the X for checking actual timing or are we just talking about making sure the stator lines up with the case mark? This was the closest that I could find...

Thanks for posting up the build - I'm re-doing a '96 over the winter too. Noticed the 24x7 scupper and figured the flap might be a little cracked like mine. I found that this buna sheet (12"x12"x1/8") for $10 works awesome and you could probably make 6 replacements...

Sent PM on the cover.

Appreciate all of the feedback and based on comments am going to go with the yq-cd-10/16. I spent the last couple of days re-reading old posts and piecing together an action plan. - @MADMAT has convinced me that it would be a disservice not to modify the yb-cd-13/17 and run it for comparison...

@MADMAT - Our setups are close and I guess it reinforces that fact that everything has to work together. I struggle to believe a 3 mm cutback and 85mm nozzle would make me like this current prop but it could be that easy. Where do you run your b-pipe screws? I had my pipe out and verified...

Thanks madmat - just realized I had a typo and my prop is a 13/17. Is your prop the same model - ie a small hub that you just had cutback 3mm and repitched? I just finished putting the ski together and got 2 tanks through it before it got too cold here. The engine ran really crisp but I...

Who is running one of these, what is your setup (motor/nozzle size/tailcone), and how do you like it? Dug around on the forum a bit and couldn't find alot of info on this specific prop. Chris has these on his BF sale and I'm trying to figure out if I grab that or not. My setup - general...

Having an overhead lift system is nice but dealing with the trolly/winch/jetski sling isn't something I'd want to do every weekend. If you already have the rolling carts I'd just get a couple sets of marine slides to make shuffling easier: https://www.amazon.com/dp/B001HROA3S?th=1&psc=1 I've...

Quinc's recommendation should be close, possibly bumping to a 72.5 pilot. My 62t/61x at 84mm (760) w/ b-pipe, ported cylinder and cases, ADA head @ 190 psi, stock FA with a single screen has 75 pilots and 140 mains at 1.5 turns each. -Ryan