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Coming from a motor guy... Go hull first.

The ski follows where your head goes. Its probably the biggest mistake I see when watching someone try to flip. They yank like crazy then tuck their head and brace for crash impact like they never expected to make it in the first place. On the second flip you can really see where I whip my head...

03' has older sxi pro style ignition which is actually the best setup 04' new ignition and minor case porting from the factory. 05' black hull...hull rides more nose down than previous ones. Kawi says mold dint change but anyone who raced them will disagree. Hull side hood hooks get some...

Love the paint job. Orange and carbon...killer

XJ, it still uses the same case as the regular ones so it looks the same. The only visual difference is the balance port is filled and the cap has permanently glued over it. The engineer said when the hulls slap the water on hard flat landings it impacts the batteries harder than other...

We have special heavy built ones we worked with Ballistic to handle the pounding in a jetski hull with TL. Their factory is 10 minutes from our shop and their engineer started dissecting the standards after we started breaking them. They fortified several of the weak links to get to the battery...

Great job George. Ski looks amazing, even better in person!!!

Rubbertoe, I would suggest checking that prop on a pitch gauge. I know it sounds weird, but skat is anything but consistent with their props and pitches. A 155 is such a big pump compared to what everyone was using a couple years ago and it's such a large volume compared to a 144/148 that it's...

Chris we will be able to get that cylinder turned around right away for you. I will measure how deep the rings cut into the bore and we will go from there as far as the size we need to go. If the grooving is deep there's no doubt it will have to be bored to get the rings to seal. We will make...

Actually, that's exactly what it means...maybe you should ask him. Bet he gets another one yet if he ever gets back into skiing.

This is far from the truth. We have guys running b pipes, charging systems, and something other than the usual 48's with great results. They run great on a bunch of different setups. If you want it to be a flat water monster no problem, we can set you up with that. You want to run it in a surf...

I agree, but in this case I know it was perfect. I even think I have a picture of the bores before they were run somewhere I sent Chris to keep him in the loop of his cylinders progress. All cylinders piston to wall clearances are set specifically and double checked before anything leaves our...

Exactly. If there pins on the pistons themselves aren't lined up right with the ring end gaps the pins will push out with excessive pressure on the rings in those spots and cause the grooving in your pictures. I'm sure the ring scraping like they did caused what look like machining marks on the...

The higher performance the engine the more critical it is have the right other supporting setup. The PHP motor is no harder to tune than any other high performance big bore engine. When you get this far away from what a stock 701 started as it's important you maintain balance with the rest of...

The thread title made me laugh so I had Ti see what this was about. Chris, as someone said earlier in your thread here you didn't get your alignment pins positioned right to the rings and the pins are pushing on the ring in those spots. You can see perfectly cleat on the bore where you had...

Sorry for the poor vid quality...

Excellent job Vince!! that's the kind of results you get when an engineer builds a ski I guess;) Cant wait to throw a leg over it and wave season on the big lake is right around the corner.

waldbjourn has a sticky throttle cable issue he is dealing with at the moment that's not letting the butterflys seat shut properly and its not settling down at idle. This makes it awful tough to adjust the low speed screws and pop off...

the screw settings have about zero to do with the temp of the midpipe... they control the chamber. It is jacketed and the water running through it is what cools it. you have to balance your pressures until you achieve the temp on each component you want. I noticed in the pictures you sent the...

You need to put the stinger restrictor in after the jetworks valve...not before it. You have to much of a pressure drop with it before and the stinger is not getting enough water. Sounds like your chamber might be a little on the hot side as well. You need to keep adjusting the screw and...