2005 Ski-Doo Racing Handbook, Page 383Get this manual
SECTION 082005 MX 550 AND 380 FC
Oil Pump Gear
377 and 552 Engines Remove the oil pump from engineTo remove the gear retaining nut no15, first extract the needle roller no16 with pliers then lock gear in place using the following gear holderENGINE TYPE 377 and 552 TOOL PN 420 876 695
Injection Oil Reservoir
For installation, reverse the removal procedure
Injection Oil Level Switch
For installation, reverse the removal procedure
Injection Oil Filter
For installation, reverse the removal procedureNOTE: The filter must be installed with the arrow pointing toward the pump
Injection Oil Pump
For installation, reverse the removal procedureHowever, pay attention to the followingTorque the screws no11 to Nm (44 lbfin)Make sure cable barrel is well seated in oil pump leverSecure barrel with plastic washer and circlipInstall cable lock washer on left side of supportVerify cable and oil pump lever operation then adjust cableA10C01A
420 876 695