Piston R68, R69 K.S. - 74.00 mm (available for pre-order)
BMW part number: 11250012091
OEM Nr. 90 101 640
Manufacturer's instructions for installation of rings:
http://download.ms-motorservice.com/ximages/PDF_Kataloge/ri_einbau_en_web.pdf
Shown in 2 exploded views
Motorcycle Model
Motorcycle Model
Main Group
Main Group
11 Engine

