2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 160Get this manual
Section 03 ENGINES (2-STROKE) Subsection 06 (OIL INJECTION SYSTEM)
ENGINE TYPE 277 443 552 593 593 HO SDI
OIL PUMP IDENTIFICATION 132K E8 03 L7 02
5,6, Gear Retaining Nut and Oil Pump Gear
277, 443 and 552 Engines To remove gear retaining nut, first extract the needle roller with pliers then lock gear in place using gear holder (PN 420 876 695)
NOTE: The following procedures can be done without removing the engine from chassis
CLEANING
Clean all metal components in non-ferrous metal cleaner
DISASSEMBLY
NOTE: Some oil pump components are not available as single partsA10C01A
420 876 695