HEXA

ENGINE 55 J. Valve Guides : 1. In case of valve stem sticking in valve guide bore or Excessive clearance between them, remove valve guide From cylinder head using drift (Part No.2868 5890 06 05). 2. Check the condition of valve guide oil seals. 3. Check valve guide bore diameter in cylinder head and if necessary, ream valve guide bore in cylinder head to next over size. 4. Install matching size valve guide in cylinder head using drift (Part No. 2868 5890 06 05) and spacer (Part No. 2653 5890 06 01). 5. Fit Valve guide oil seals. Valve Guide Specification Dimension Normal Normal 1 Valve Guide Bore in Cylinder Head Ø 10 + 0.04/ + 0.023 Ø 10.25 + 0.04/ + 0.023 Valve Guide O.D. Ø10.0 x 6 + 0.043/ + 0.034 Ø10.25 x 6 + 0.051/ + 0.040 Valve Guide I.D. 5.4 5.4 Valve Guide Length 45.5 (Inlet/Outlet) 45.5 (Inlet/Outlet) Note : Valve Guides and Valve Seats are separately not serviceable. They come along with the cylinder head as an assembly.