2005 Ski-Doo Racing Handbook, Page 323Get this manual
SECTION 06DRIVE SYSTEM
engine RPM teeth, top sprocket (pitch of track Noof teeth on drive sprocket) 60 top speed in MPH -clutch ratio teeth, bottom sprocket 12 5280
A little known fact that can seriously impair racer's performance is the misconception that the factory stated peak horsepower RPM or the peak power point you find on dyno is the correct figure to clutch your race sled toGenerally, this is not the caseThe figures that are printed by the factory are determined on dynamometer in clinical test conditions
MXZ GEAR RATIO VS SPEED
ENGINE RPM8400CLUTCH RATIO TOOTH 10 TOOTH
TOP BOTTOM RATIO CHAIN MPH MPH
24 23 22 21 20 19 27 26 25 24 23 22 21 20 19 27 26 25 24 23 22 21 20 19
45 45 45 45 45 45 46 46 46 46 46 46 46 46 46 47 47 47 47 47 47 47 47 47
1,88 1,96 2,05 2,14 2,25 2,37 1,70 1,77 1,84 1,92 2,00 2,09 2,19 2,30 2,42 1,74 1,81 1,88 1,96 2,04 2,14 2,24 2,35 2,47