These instructions will walk you through installing the oil pump spring. Follow through the following sections of the manual to successfully remove the oil pump and replace the check valve: Side Cover Removal (Section 7-1) Clutch Basket Removal (Section 7-2 thru 7-6) Primary Drive Gear Removal (Section 7-7) Pump Removal (Section 4-3) The oil pump removal is shown on section 4-3 of the XR650L factory Service Manual. ***Follow link above to download and view*** You are replacin