1985 Honda Odyssey 350 FL350R Shop Manual, Page 60Get this manual
CYLINDER HEADCYLINDERPISTON Remove the two dowel pins and gasketPlace clean shop towel into the crankcase to keep debris out
PISTON REMOVAL
Remove the piston pin clip using pair of needlenose pliersPress the piston pin free of the piston
Do not damage or scratch the pistonDo not apply force to the piston pinDo not let the clips fall into the crankcase