2000-2005 Yamaha F40B Outboard Service Manual, Page 92Get this manual

Quality of the image is intentionally reduced!

CONTROL SYSTEM
Find the cylinder(s) with emissions exceeding specifications, then adjust the pilot screw
5 Adjust: Pilot screw

decreases CO and HC ppm Pilot screw driver 90890

• • TGB
  • Arctic Cat
  • Bombardier
  • Can Am
  • Honda
  • John Deer
  • Kawasaki
  • Polaris
  • Suzuki
  • Yamaha
• • Kawasaki
• • Chrysler
  • Honda
  • Johnson Evinrude
  • Mercury
  • Suzuki
  • Tohatsu
  • Yamaha
• • Honda
  • Polaris
  • Sea Doo
  • Yamaha
• • Arctic Cat
  • Polaris
  • Ski Doo
  • Yamaha
• • Chrysler
  • Mercury
  • OMC
  • Volvo