Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 140Get this manual

Quality of the image is intentionally reduced!

Valves 1 Clean the carbon deposits from the valveDis card any cracked, warped, or burned valves2 Measure the valve stem diameter to check for wearReplace valves jf not within specification55810

• • 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