Bombardier SeaDoo 1997 factory shop manual, Page 320Get this manual
Section 12 TECHNICAL DATA Sub-Section 03 (GSX MODEL)
GSX MODEL
Engine type Induction type Exhaust system
GSX (5624)
Bombardier-Rotax 787 Rotary valve Water cooled, water injected with regulator 3.5 mm (.139 in) Not applicable 3.5 mm (.139 in) Rotax Adjustable Variable Exhaust (RAVE) Electric start VROI (Variable Rate Oil Injection) Direct driven BOMBARDIER-ROTAX injection oil 82 mm (3.228 in) 82.25 mm (3.238 in) Not applicable 74 mm (2.99 in) 781.6 cm (47.7 in) 6.0: 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) 0.110 mm (.0043 in) 0.200 mm (.008 in) 0.100 mm (.004 in) 0.080 mm (.003 in) 0.2300.617 mm (.009.024 in) 1.2 mm (.047 in) MAG side: 0.050 mm (.002 in); PTO side: 0.030 mm (.001 in) 146.5 BTDC 64 ATDC 159 0.250.35 mm (.010.014 in) 0.0230.034 mm (.0009.0013 in) 0.050 mm (.002 in) 0.0030.012 mm (.00012.00047 in) 0.015 mm (.00059 in)