
Turn oil scraper ring so that gap (arrow) is at top.
Install piston rings with gaps offset by 120°.
Production locating point X = install on exhaust side.
Caution:
- Make sure that retaining rings are properly seated on piston pin.
- Oil the friction faces.
- Always use pistons of the same weight class in any one engine.
Markings: + or -. See Technical Data.
Caution: Always install pistons and cylinders in pairs. Do not mix up pistons and piston pins.
Piston size identification:
On piston crown A, B, AB (for either A or B cylinder), and on cylinder A, B.