1985 Ski-Doo snowmobile Service Manual, Page 142Get this manual

Quality of the image is intentionally reduced!

Section 02 ENGINE Sub-section 07 (503 ENGINE TYPE)

NOTE: The letters "AUS" (over an arrow on the piston dome) must be visible after cleaning
Cylinder taper Cylinder out of round Cyl

• • 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