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Are they interchangeable? I know the RN has 4 bolts and the SN has 6. If they're interchangeable, is it the middle 2 bolts that were eliminated on the RN?

Seems like the super stiff pole is the way everyone is going these days. I'm not a huge fan of it but once inverted, the stiff pole offers something to keep you tucked instead of the spring pulling you out of a tuck. I think I could used to it if it'll take me to that next level. That said...

I know the discussion of weight vs power has been discussed before but usually the options being discussed are not equal comparisons. aka 760 engine vs a 60-70lb aftermarket hull is hardly a fair comparison. That's kinda like asking if a kart tank or a b pipe would give better results... I'm...

Ok I have a flat deck and kiteboarding straps that work awesome for barefoot riding. The problem is that right now it's too cold to ride barefooted but my wrestling shoes won't fit in the straps even if I loosen them up. Anyone have any ideas for a low profile shoe that will keep my feet...

I just rebuilt this engine and have come to the conclusion (after fixing everything else) that water is the culprit of my problems. The ski runs great out of the water but if I lower it into the water while it's running, it instantly turns to crap. I did a leak down test on it and that held 9psi...

I can't figure out what's going on. My crank let go a couple weeks ago and since then I've gotten another crank, new pistons/rings, and gave the cylinder a new hone. Installed everything, torqued it all down, leak checked it, and hooked it all up. Well, it runs like sh*t!! Even the idle isn't...

I've heard of a lot of people using kart tanks. Where is the best place to get one and what will I need to do to make it work? Are the fitting and all included with the tanks? I'm about to pull that mother F---- gas tank for the last time!! :rocketwhore: I'd rather fill up halfway through the...

I'm using hondabond 4 to reseal my crankcase after replacing the seals. Supposedly is the exact same as 3bond, yamabond, james-bond, etc. My question is this... I remember thinking this stuff should cure for 24 hours before doing anything to it. However, on the tube, all it says is wait 1...

I just ordered a set of regular WSM pistons trying to get something to my door quickly and therefore didn't really read any reviews on them before hand. I really just wanted something basic since I'm really itching for a bigger engine this winter. Now that I've read some reviews, I see that a...

Can 750 pistons be used on a 701 crank? I want to say they both use 20mm wrist pins but not sure if there are any other difference I need to be concerned with. Also would a flat top piston be beneficial?

After my crank let go, the pistons and head took a little beating. They're wiseco pistons and they've had less than a full season on them. Rings and cylinder are still perfect. It's a little hard to see on the pistons and I took tons of pics to try and show the damage but it never came out...

I have total loss on my ski and every now and then I'll get mini backfires when starting it. Normally it's nothing and I hit the starter again and ride. Yesterday I went to ride and the switch was acting up and not turning on properly. Thinking it was fuel, I pumped too much fuel into the...

Ok so this morning the engine was getting spark just fine and before that was getting good spark all summer as far as we can tell. We've been struggling with carb tuning issues though. However, this morning the spark got to be virtually non existent. It will typically spark once when you hit...

Ok this is fairly unique. I'm trying to do a leak down test on pabloescobars ski and this thing leaks so fast I can't get the tester to register any pressure. Now the tester works because I've confirmed it on something else and it will hold pressure. I've leak tested plenty of ski's and when...

I understand the concept of power valves and what they're for but I don't really understand the difference in how they're operated. On a 66e it looks like the pv's are operated by an electric servo motor. Then everyone speaks highly of the gas operated power valves. What are the differences...

What pipes will fit the 66e motor and still work in a stand up? I know WDK makes a pipe but I'm guessing the only way I'll get one of those is used...which is fine but obviously they aren't growing on trees either. Do anyone else make a pipe that fits or would the stock pipe work once the...

After working on ski's for only a little over 2 years, I've come to the conclusion that there is never just one thing wrong with the ski when something acts up. The reason I thought of this was because my SJ has run pretty good all season with only little things acting up but the last couple...

The solenoid on my SJ is still good but the studs are made of copper and they strip easily. I think it's finally on it's last legs and I'm hoping to pick up another one locally but not sure where to look. A few auto parts stores have them for $40-$50 but most are also part of a remote...

I've been trying to figure out what's been going on with my ski all summer. After sitting for a day or two, I'll switch on the bilge and ignition and nothing will happen. 15-20 seconds later they will both come on and usually work all day but they've been known to shut off again within the first...

I've been afraid to ask this in the past but I want to know... NOTE: Please don't turn this into a kawi vs yamaha thread. Anyway, I've got a 750 (sx not sxi) and a 701 (61x/61x) that are virtually mod for mod all the way down. They both have TL, factory pipes, race logic porting, wiseco...