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Im using an old aftermarket 84mm nozzle. I would advise against using a 750 pump because making the shoe fit is a lot of work for no performance gain. I did modify a 750 impeller and slotted the mounting holes on the 650 pump aft 5mm to get the spacing correct.

Light weight skis are more difficult to stay on when you get tired in rough water. Ask Larry about the superfreak that he owned.

Bare aluminum will mark a surface just like a pencil. Any bunk must be covered with something soft for transport. Even bare plastic will eat up the bottom very quickly.

Do not put grease in the hole first, it will bust the case if it hydro locks. Soft setting loctite like 515 or 518 is a good sealant, teflon pipe dope and marine grease is also good. Antiseize is not great for this app but better than nothing.

The top screw supplements the main circuit. The bottom screw sets low idle only. If I end up 1.5+ turns out on top I will up the main 10# and retest until it is less than 1 out. It is safest to use the largest main jet possible and still be able to peak the rpm with the screw. This means that...

The twostroke ban is mostly political and the laws come from mostly hypocrites. We have an ever growing billionaire class that is in control of public policy. They do not want to be bothered by poor folks. This isnt a problem at the country club or private airport. Lakes however are the only...

A stock 61x cyl is good for 60HP with a stock pipe and in the low 70s with a typical wet pipe. In 1996 they added a carb and changed the HP claims to keep up with Kawasaki. Somehow the 95 blaster went just as fast as the 96 with 10 less HP. A coffman Sizzler made a noticeable improvement on a...

A front outlet with a TDR is nearly as loud as no muffler at all.

Basically the same as the 760cyl.

Is that German?

Guys that are having trouble getting better performance from a 760 over a 61x 701 are not reducing pump load to counter the higher port timing. In order to make a 760 work fairly well, you need a good pipe and very low pitched impeller/bored nozzle. You may be able to use the stock 760 ignition...

No, only an underslung style pipe will fit inside an old X2.

ZXI gimbal rings and steer nozzles are a lot easier to pull than the old style X2 and XI units. You will need to shim the ZXI bolts to adapt the ring to 650-750 nozzles.

Maybe they want to make sure the engine has some "safe" run time before the owner turns up the heat. I certainly wouldnt provide peak power jetting on a tight top end. They can lean it in after a few hours of run time. I wouldnt want to sell a loose top end just to compensate for high initial...

I haven't checked the ph of salt-away but it seems to be mildly acidic water, probably phosphoric acid. This helps neutralize salt which is a base as are most detergents. Thorough flushing with fresh water will do the job, it just takes a little longer. Equally important, do 2-3 dry runs to dry...

Older riders arent much better at being aware of their surroundings. People are accustomed to having a lane to drive in. A converging course on a lake is always seen as the other guys fault. Boat operation should be taken seriously but by more education instead of enforcement. It is much more...

It can be done but not economically. The aftermarket plastic ones are working fine if you cant find a good OEM.

I always wondered why these laws are retroactive for people already in their 20s. Obiously because they can. Texas did the same thing with hunting. In Nebraska, a six hour class takes up half of the boating season.

Check the peak rpm as well, I suspect you are way over propped. Larger pilots should help as it is.

As I remember the early Protec pipes would bolt on the stock manifold, the PSI pipe may have as well. They were trying to keep prices low and in line with kawasaki pipes that didnt need an aftermarket manifold to run well. All pipe mfgs began incorporating their own manifolds for Yamahas since...