912 & 914 Crankshaft, Piston, Cylinder, Sprag Clutch

F – Loctite 7063
L – Klueber Isoflex Topas Nb5051
O – Engine Oil
Z – Loctite 603

e – At 912 ULS the complete  piston with rings has to be exchanged up to S/N 4,425.123;
f – With countersunk for O-ring 830415. 912 UL: 4,403.679, 912 ULS: Starting with serial production, 914 UL: 4,417.868;
g – Note following Service Letter: SL-912-002 current issue, SL-914-002 current issue,
h – With expanded space of sprag clutch. Introduced as per following engine S/N 912 UL: 4,409.089, 912 ULS: 5,650.835, 914 UL: 6,772.727;
i - Balanced pistons set: max. difference 3 g