1997 Ski-Doo Factory Shop Manual Volume Two, Page 104Get this manual
Sub-Section 06
Section 03 ENGINE (OIL INJECTION SYSTEM)
OIL PUMP IDENTIFICATION
Different engines use different pumpsSee identification on lever no7420 2779 05
ENGINE TYPE 443 MX 454
CAUTION
OIL PUMP IDENTIFICATION
A00C17A
Always mount proper pump on engine
N4 N4 N4 E4 N6 N6 N2 N6 N6
TYPICAL
494 Skandic WT LC 494 Formula 503 Skandic WTSWT 583 GT 583 MX 583 Summit 670 MX 670 Summit
ASSEMBLY
2, Oil Pump Gear
At gear assembly, apply light coat of Molykote 111 (PN 413 7070 00) on gear teeth