2005 Ski-Doo Racing Handbook, Page 444Get this manual
SECTION 11COMPETITION PREPARATION
2005 ISR FILED ENGINE SPECIFICATIONS 550 FC MXZ
MIN INSTALLED cc FLAT PLATE cc SQUISH mm 35,3 1,77 33,54 34,6 1,73 32,87 1,3 0,30 1,00 MAX 37,07 36,33 1,60 0,063 INSTALLED cc FLAT PLATE cc SQUISH mm
800 HO MXZ
MIN 38,5 1,93 36,58 39,1 1,96 37,15 1,45 0,40 1,05 MAX 40,43 41,06 1,85 0,073
SQUISH in 0,051 0,012 0,039
SQUISH in 0,057 0,016 0,041
440 LC MXZ X
MIN INSTALLED cc FLAT PLATE cc SQUISH mm 17,6 0,88 16,72 17,0 0,85 16,15 1,30 0,30 1,00 MAX 18,48 17,85 1,60 0,063