Bombardier SeaDoo 1997 factory shop manual, Page 315Get this manual
Section 12 TECHNICAL DATA Sub-Section 02 (GS AND GSI MODELS)
GS AND GSI MODELS
ENGINE Engine type Induction type Exhaust system Type Water injection fitting (head) Water injection fitting (cone) Fueloil mixture Oil injection pump Oil type Standard First oversize Second oversize GS (5621) GSI (5622) Bombardier-Rotax 717 Rotary valve Water cooled, water injected 3.5 mm (.139 in) 3.5 mm (.139 in) Electric start VROI (Variable Rate Oil Injection Gear driven BOMBARDIER-ROTAX injection oil 82 mm (3.228 in) 82.25 mm (3.238 in) 82.50 mm (3.248 in) 68 mm (2.677 in) 718.2 cm (43.81 in) 6.2: 0.05 mm (.002 in) Semi-trapez Rectangular 0.250.40 mm (.010.016 in) 1.00 mm (.039 in) 0.0250.070 mm (.001.003 in) 0.2 mm (.008 in) 0.100 mm (.0039 in) 0.2 mm (.008 in) 0.100 mm (.004 in) 0.080 mm (.003 in) 0.3110.678 mm (.012.027 in) 1.2 mm (.047 in) MAG side: 0.050 mm (.002 in) PTO side: 0.030 mm (.001 in) 147 BTDC 65.5 ATDC 159 0.250.35 mm (.010.014 in) 0.0200.033 mm (.0008.0013 in) 0.050 mm (.002 in) 0.0030.012 mm (.00012.00047 in) 0.015 mm (.00059 in)