1987-2009 Yamaha ATV YFM350X Warrior Raptor Service Manual, Page 337Get this manual

IGNITION SYSTEM

5.Spark plug cap resistance

Remove the spark plug capConnect the pocket tester1k) to the spark plug cap
Check that the spark plug cap has the specified resistanceSpark plug cap resistance: 10 at 20 (68 F) MEETS SPECIFICATION

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