Suzuki 2002-2005 DF4/DF5/DF6 4-Stroke Outboards Service Manual, Page 32Get this manual

PERIODIC MAINTENANCE

VALVE CLEARANCE
Inspect initially after 20 hours (1 month) and every 200 hours (12 months) thereafter

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