I found a website the other night that went through the history of seadoo and the different models etc. I have been looking for it ever since. Someone know this site, it had color schemes and hull designs by year.
in 97' SPX and GTX, motor wise, the same(787), the XP had same size carbs but different oem #'s along with it also had accelerator pump, also 787.
in 98, SPX was same, but the GTX/XP had the 947 motor....:cheers: