2005 Ski-Doo Racing Handbook, Page 410Get this manual
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SECTION 102004 MX 440
at 3500 RPM
0.0276 0.0728 0.0217 0.0571 0.05 0.0177
EXHAUST SYSTEM Single-tuned pipe to baffle muffler ASSEMBLY SPECIFICATIONS 9.0 29.0 11.0 35.0