2004 Skidoo ZX Series Service Manual, Page 240Get this manual
Section 05 ENGINES (4-TEC) Subsection 04 (COOLING SYSTEM)
Inspection
Check oil supply holesupport bearing for scorings or other damages.There are no plain bearings in the ignition coverPlace new ball bearing in freezer for 10 minutes before installationNOTE: Do not use any striking tool to insert the ball bearingThe bearing must be mounted manually with moderate (thumb) pressure into the ignition coverReplace gasket no2Torque ignition cover screws to Nm(80 lbfin)Tighten screws in the following sequence7 23 21 20 19 10 11 13 15 18 12 14
R1004motr136A
1Ignition cover 2Ball bearing AOil supply holesupport bearing diameter
R1004motr137A