2004 Ski-Doo Racing Handbook, Page 223Get this manual
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SECTION 072003 MX Zx 440 INFORMATION
at 3500 RPM at 3500 RPM
in in in in
0.0276 0.0728 0.0217 0.0571 0.05 0.0177 0.0020
EXHAUST SYSTEM Single-tuned pipe to