2003 Ski-Doo ZX Series Factory Shop Manual, Page 361Get this manual
Quality of the image is intentionally reduced!
Section 10 TECHNICAL DATA Subsection 02 (ENGINES)
MX 550 FAN (CANU.SEUR 552 76.00 (2.992) 61.00 (2.402) 553.40 (33.771) 9.6 69500 STR 0.4 (.016) 1.0 (.039) 0.04 (.0016) 0.2 (.0079)