1989 Ski-Doo Repair Manual, Page 180Get this manual
Section 02 ENGINE Sub-section 07 (583 ENGINE TYPE)
30, Valve rod
Check valve rod for straightness
36, Bellows
Check for cracked, dried or perforated bellows
39, Spring
WIRE DIA lin)
PREI.OAO IN flbf) AT COMPRESSED LENGTH
OF 2G mm (1.023",
11 11.971
STAfC)AAO