2004 Ski-Doo Racing Handbook, Page 97Get this manual
SECTION 04ENGINE PREPARATION
11, Bellows
Check for cracked, dried or perforated bellows
8, Spring
ENGINE TYPE SPRING PN PRELOAD IN WIRE FREE (LBF) AT COLOR DIALENGTH COMPRESSED mm (in) mm (in) LENGTH OF 14 mm (.551 in) 15.9 (3.56) 10.5 (2.36)
593 HO 420 239 944 Brown 0.9 (.035) 48.5 (1.91) 793 HO 420 239 940 Yellow 0.8 (.031) 48.5 (1.91)
ASSEMBLY
RAVE System
Install RAVE valve with its mention top as illustrated in the removal photoTighten red cap no6 screw to bottomA02C2GA
4,18, Cylinder and Piston