Main Bearing Shell 1A0252060R, ex 1A0162440R Red for 660 Engines
Genuine Aprilia Spare Part
Red Half-Shell for 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 to withstand high mechanical stress. It is recommended to follow scheduled maintenance and use high-quality oil to keep your engine in top condition.
It is sold individually as a half-shell.
Note: this engine uses two types of half-shells. This bearing is part no. 1A0252060R, ex 1A0162440R, item 18 in the image, and is required in a quantity of 4 pieces.
To overhaul a 660 engine, you will also need 2 half-shells of part no. 1A0252050R, ex 1A0162430R, item 17.
Check bearing tolerances and color codes using the workshop manual.
Electrical system
Engine
