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Valve Seat: Specifications

Engine 116.960/961/962/963 (USA) Engine 116.964/965, 117.960/961 Engine 117.962/963/964/965 Engine 117.967/968
Standard Dimension (D 1) (in mm) Intake 41.000 - 41.016 46.000 - 46.016 46.000 - 46.016 47.400 - 47.416
Exhaust 40.000 - 40.016 42.000 - 42.016 42.000 - 42.016 ---
Standard Dimension (D) Intake 41.090 - 41.100 Millimeter (mm)46.090 - 46.100 Millimeter (mm)46.090 - 46.100 Millimeter (mm)47.490 - 47.500 Millimeter (mm)
Exhaust 40.090 - 40.100 Millimeter (mm)42.090 - 42.100 Millimeter (mm)42.090 - 42.100 Millimeter (mm)---
Repair Stage (Intake) (in mm) D1 max. to 41.016 47.016 47.016 48.016
D Roughing Dimension 41.300 Millimeter (mm)47.300 Millimeter (mm)47.300 Millimeter (mm)48.700 Millimeter (mm)
Repair Stage (Exhaust) (in mm) D1 max. to 40.016 42.016 42.016 ---
D Roughing Dimension 40.300 Millimeter (mm)42.300 Millimeter (mm)42.300 Millimeter (mm)---
Dimension "t" (in mm) 10.300 - 10.800 10.300 - 10.800 10.300 - 10.800 10.300 - 10.800
Dimension "H" 10.390 - 10.500 Millimeter (mm)10.390 - 10.500 Millimeter (mm)10.390 - 10.500 Millimeter (mm)10.390 - 10.500 Millimeter (mm)
Overlap of Valve Seat Rings in Cylinder Head 0.074 - 0.100 0.074 - 0.100 0.074 - 0.100 0.074 - 0.100
Valve Seat Width (b) Intake 1.3 - 2.0 Millimeter (mm)1.3 - 2.0 Millimeter (mm)1.3 - 2.0 Millimeter (mm)1.3 - 2.0 Millimeter (mm)
Exhaust 1.5 - 2.0 Millimeter (mm)1.5 - 2.0 Millimeter (mm)1.5 - 2.0 Millimeter (mm)1.5 - 2.0 Millimeter (mm)
Valve Seat Angle (a) 45 Degrees (deg)45 Degrees (deg)45 Degrees (deg)45 Degrees (deg)
Correction Angle, Top (B) 15 Degrees (deg)15 Degrees (deg)15 Degrees (deg)15 Degrees (deg)
Correction Angle, Bottom (Y) 60 Degrees (deg)60 Degrees (deg)60 Degrees (deg)60 Degrees (deg)
Permissible Runout of Valve Seat 0.04 Millimeter (mm)0.04 Millimeter (mm)0.04 Millimeter (mm)0.04 Millimeter (mm)