There are separate bearing sleeves in all camshaft bearing locations and the drilling for the camshaft rear end is covered with a plug
Disassembly and Assembly (8016 7-27942LX)
Group 10—Transmission Control Unit (TCU) Diagnostic
Group 00—Remove and Install Engine Components
John Deere LA105, LA115, LA125, LA135, LA145, LA155, LA165, LA175 Tractors Repair Manual Workshop Guide There are separate bearing sleevesFormat : PDF SUPPLIED AS DOWNLOADABLE LINK Manual Included: Technical Manual: 603 Pages Specifications: Brand: John Deere Model: LA105, LA115, LA125, LA135, LA145, LA155, LA165, LA175 Type: Lawn Tractor Manuals: Technical Manual Publication Numbers: TM103419 Language: English Format: PDF Description Table of Contents Specifications and Information Engine (B&S Single Cylinder) Engine (B&S V Twin Cylinder) Electrical Power Train (Gear) Power Train