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I'm running (have run) a stock arrestor on a set set of Novi MF 48's, and I found that you definately loose a bit of power, and yes, it is noticeable! I found rasing the popoff due to the extra restriction on the carbs was a must, but in the end, I decided to scrap the idea and use a set of...

I have rebuilt at least 10 pumps in the last year or so, and I can confirm that once a pump is put back together with new bearings and seals, it WILL be physically harder to turn the shaft. As Paul said, once run for a while, everything will free up and will be as good as gold, providing you...

FYI...Any machine shop or anyone thats skillfull with a lathe should be able to put a few threads on some stainless rod for you. It's would take them about 20 minutes if that...

I use timeserts on all my cylinders as I have the head off all the time. I've never had one fail, and they feel a lot better when you are torquing them up. Personally, I've never liked helicoils and the inserts have worked great on the last 3 cylinders I have done.

I've got nothing constructive to say apart from....sweet thread!

A reminder to you....Chris (from ATP) is here on the X. Username: QJS

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Guys, Last night I aquired a protec drop nozzle that uses a Jet Dynamics reduction nozzle and a Protec trim ring/turn nozzle. This reduction nozzle looks nice, as it has a nice thick tapered finish inside and goes down to 81mm on the exit. I've never seen one of these before and was...

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That reminds me of the part in The Addiction where Mac comes around that left hander and appears to twist the throttle. I'm sure he's not, but it looks cool as hell!

Well, I must be the odd one out then. I use whatever oil I can find at the local service station when I buy my fuel. Any 2-stroke oil does the job for me. I mix it with different brands all the time and I've never had a drama. My ski is heavily ported, runs 185psi, and pulls 7200rpm all...

As you're probably aware, you are better off without it. The extra volume (without the stuffer) is a good thing, especially when making any sort of turn. The only real advantage I have found is that the pump hooks up a bit quicker when landing from a jump. This may or may not be a good...

I don't but it just looks liek water has been in there and the skirt of the piston has scuffed the bore. I'm going to run it as it anyway, but when I look closely, it looks as though it is only in the rear cylinder. I've got the carbs off and have cleaned them, so it may fix up the...

I'm no expert, but I'd be aiming for about 22psi popoff with your setup. It looks like it has some good flow for starters, so it should be just right. Tie it up to a dock or something where you can load up the pump and start from scratch. Get it snappy off idle, if you can't get it to snap...

Yeah, thats what I'm thinking too. I would have thought the performance would drop off, or slowly build up and I've never heard of a WOT run for about 30 seconds foul a plug or 2. Strange, really strange. I may have to start looking elsewhere?

Hi guys, Running around the buoys last night at WOT. The ski was absolutely flying (just like they do when they are about to pop!) when the engine just died. I figured I had run it lean so I waited for a few minutes, started it and limped into the beach. On the way in, I was blipping the...

http://www.x-h2o.com/threads/12528&highlight=pump+alignment

10% methanol.....;)

You want some feedback on Wax's CDI? Ok, they are are nice little CDI. Fully laptop programmable right down to 50rpm increments, which allows very precise curve structure. You get the choice of 2 curves and you can control water injection. I'm not sure of max advance, but I know it's...

Unless you want something shipped overseas!