1987-2003 Yamaha YFZ350 Banshee supplementary service manual, Page 114Get this manual
CYLINDER 1Remove: Cylinders (J) Cylinder gaskets Dowel pins 2Place the cylinder in an inverted position, and drain the coolant PISTON PIN AND PISTON 1Remove: Piston pin clip Q) NOTE: Before removing the piston pin clip, cover the crankcase with clean rag so you will not accidentally drop the clip into the crankcase
2Remove:
Piston pin Q) Piston Bearing (Small end) NOTE: Before removing the piston pin, deburr the clip groove and pin hole areaIf the piston pin groove is debarred and piston pin is still difficult to remove, use Piston Pin Puller (YU-01304)