1985-1986 Honda ATC250R Shop Manual, Page 81Get this manual

CYLINDER HEADCYLINDERPISTON PISTON RING STOPPERS
Align each ring end gap with the piston ring stoppers in the ring land
Clean the cylindel- base gasket sudaces

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives