1998-2006 Yamaha F20/F25 Outboards Service Manual, Page 385Get this manual

I I0 I ELEC

IGNITION SYSTEM
SPARK PLUG
Refer to "GENERAL" in chapter 3

SPARK PLUG CAP
1Inspect: Spark plug cap Loose ? TightenCracksdamage ? Replace2Measure: Spark plug cap resistance Out of specification ? ReplaceSpark plug cap resistance: 4.0, 6.0 kQ Replacement steps: To remove the spark plug cap turn it counterclockwise To install the spark plug cap turn it clockwise until it is tight

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