and on cylinder A, B. 11.53 X RS110430 Installing piston • Turn joint in oil scraper ring (arrow) so that it fac- es upwards. • Install piston ring gap offset by 120° in each case. Production locating point X = install on exhaust side. e Caution: Ensure that retaining rings are properly seated on piston pin. Oil the sliding-contact faces. Always use pistons of the same weight class in any one engine. Markings: .................................................... + or — a ............................................See Technical data e Caution: Always install pistons and cylinders in pairs. Do not accidentally confuse pistons or piston pins. Piston size identification:
On piston crown A, B, AB (for either A or B cylinder),