97 Seadoo XP - Good price?

[xlr8ight]

Hello,
Thinking about purchasing a 97 seadoo XP that has no motor, but has everything else, for $500. Ski is in good condition. Is it worth rebuilding? And how much would an engine cost? New/Used?

 

[seadoo GTS 1993]

if hull really is in good shape and everything else is there, thats not to bad... no idea on engine cost