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1994 spx 650

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evil4g63

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Hi, I just bought a 1994 spx 650 and I wanted to know what kind of upgrades are good for it or if I need to replace the engine to make it go fast. How many miles if modded properly can I reach with it? Is it worth the effort and money? I'm really new at this so a little or very much advice is more than welcome.
 
For a 1994 seadoo it wouldn't be worth the aggravation to try to spend money modding it to get like 5 mph more out of it. Sell it and buy a newer faster model.

Karl
 
Call Dave at impros and tell him you want speed. he may be able to give you another 5 to 10 mph and order a new wear ring and pump seal. If I am not mistaken you may hit speeds above 50 mph without any other up grades. good luck. :cheers:
 
I have a bone stock 1995 SPX and I've had a friend of mine with a ski boat check my speed while we were running side by side on a lake. According to his speedometers (which only go to 55), I was doing a little above 55, so I figure 56 or 57 was my top speed.

I've had my XP to just a bit past 65 (according to the onboard speedometer). At the time, my VTS gauge was broken so I was having to guess at the trim settings. Now that I've replaced the gauge, I'm going to try a few high speed runs again and see what it tops out at...
 
intake maifold

I'm curious to know if it should be polished to a mirror finish or do I need to leave some porousity in it.
 
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