Yamaha Outboard F15A F9.9C, FT9.9D F15 Service Manual, Page 464Get this manual

Yamaha Outboard F15A F9.9C, FT9.9D F15 Service Manual, Page 464

Quality of the image is intentionally reduced!

IGNITION SYSTEM

SPARK PLUG
Refer to "GENERAL" in chapter 3
SPARK PLUG CAP
1 Inspect: Spark plug cap Loose TightenCracksdamage Replace2 Measure: Spark plug cap resistance