Main Bearing Shell 1A0252050R ex 1A0162430R Red for 660 Engines
Genuine Aprilia Spare Part
Red Half-Shell for 660 Crankshaft
The main bearing shell is a genuine Aprilia spare part, replaced during the overhaul of 660 engines. It is designed to ensure optimal engine durability and withstand high mechanical stress. To keep your engine in top condition, it’s recommended to follow scheduled maintenance and use high-quality oil.
It is sold individually as a half-shell. Note: this engine uses two types of half-shells. This bearing is part no. 1A0252050R, ex 1A0162430R, shown as item 17 in the image, and is required in a quantity of 2 pieces.
To rebuild a 660 engine, you will also need 4 half-shells of part no. 1A0252060R, ex 1A0162440R, item 18.
Always check bearing tolerances and color codes using the workshop manual.
