1989 Ski-Doo Repair Manual, Page 201Get this manual
Section 02 ENGINE Sub-section 07 (583 ENGINE TYPE)
Installation on spare crankcase without mark (ridge)
REQUIRED TOOLS
From top edge of magneto side inlet port, mark crankcase at 52 o
Degreo wheel
(PIN 414 3ti29 00)
A013 002 027
MARK HlRE
To correctly install the rotary valve disc proceed as follows:
TOC gauge
(P 414104700)
AOOO 001 111
AOOO 001 086
- Turning crankshaft counterclockwise, (drive pulley side) bring magneto side piston to top dead center using TDC gauge- Position the rotary valve disc on gear to have edges as close as possible to the marks