BMW R 1150 R Repair Manual page 74

Technical Data
Valve seat ring
Valve seat angle
Inlet
Exhaust
Valve seat width
Inlet
Wear limit
Exhaust
Wear limit
Valve seat extl. dia. (dimension for machining seat)
Inlet
Exhaust
Seat ring dia. (oversize +0.2 mm/+0.0079 in)
Inlet
Exhaust
Seat dia. in cylinder head (oversize +0.2 mm/+0.0079 in)
Inlet
Exhaust
Valve guide
Valve guide, outside diameter
Bore in cylinder head
Overlap
Repair stages
Replacement valve guide, outside
diameter
Oversize valve guide, outside diameter
Valve guide, inside diameter
Radial clearance
Inlet
Wear limit
Exhaust
Wear limit
Valve spring
Spring length, off-load
Wear limit
R 1150 R
° 45
° 45
± 0.15 (0.0433 ± 0.0059)
mm (in) 1.1
mm (in) 2.5 (0.0984)
± 0.15 (0.0551 ± 0.0059)
mm (in) 1.4
mm (in) 3.0 (0.1181)
± 0.1 (1.3150 ± 0.0039)
mm (in) 33.4
± 0.1 (1.1181 ± 0.0039)
mm (in) 28.4
mm (in) 36.617... 36.633 (1.4416...1.4422)
mm (in) 32.134... 32.150 (1.2651...1.2658)
mm (in) 36.500... 36.525 (1.4370...1.4380)
mm (in) 32.000... 32.025 (1.2599...1.2608)
mm (in) 12.533... 12.544 (0.4934...0.4939)
mm (in) 12.500... 12.518 (0.4921...0.4928)
mm (in) 0.015... 0.044 (0.0006...0.0017)
mm (in) 12.550... 12.561 (0.4941...0.4945)
mm (in) 12.733... 12.744 (0.5013...0.5017)
mm (in) 5.0... 5.012 (0.1969...0.1973)
mm (in) 0.020... 0.046
(0.0008...0.0018)
mm (in) 0.15 (0.0059)
mm (in) 0.030... 0.056 (0.0012...0.0022)
mm (in) 0.17 (0.0067)
mm (in) 41.1 (1.6181)
mm (in) 39.0 (1.5354)
11.7