Bombardier SeaDoo 2000 factory shop manual volume 1, Page 432Get this manual
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Section 13 TECHNICAL DATA Subsection 05 (GTX RFI AND GSX RFI MODELS)
GTX RFI GSX RFI (5515551656485658) (56455654) Rotax Fuel Injection, semi-direct, single throttle body (56 mm) 1500 100 RPM 1.