2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 197Get this manual
1D-55 Engine Mechanical: Oil filter Apply engine oil to the new O-rings (1) CAUTION
Generator coverStarter idle gear Install the starter idle gear (1) and generator cover (2)Refer to "Generator Removal and Installation in Section 1J (Page 1J-5)"
Replace the new O-rings with new ones Install the oil filter (2) and spring (3) correctly2 3
I933H1140223-01
I933H1140221-02
Install the oil filter cap (4) and tighten the bolts securelyNOTE Face the triangle mark "A" on the oil filter cap (4) upward