Big twin inner primary seal changes. purpose

Bulletin number

M1727

Component

Engine

Summary

SERVICE BULLETIN M1727: BIG TWIN INNER PRIMARY SEAL CHANGES. PURPOSE: Initial release. This bulletin informs dealers of changes to the Inner Primary Seal (Part No. 12052). The seal part number was changed from (Part No. 12052A, black in color) to (Part No. 12052B, brown in color). A new Inner Primary Seal (Part No. 12052C) has been released and the color has been changed back to black.

Owners of these vehicles have filed 22 complaints in the engine category.