BMW F 650 GS Repair Manual page 65

Technical Data
Valve seat angle
Inlet
Exhaust
Included valve angle
Inlet
Exhaust
Valve seat width
Inlet
Wear limit
Exhaust
Wear limit
Valve guide
Inlet Intl. dia.
Wear limit
Exhaust Intl. dia.
Wear limit
Bucket tappets (wear limit)
Extl. dia.
Radial clearance in cylinder head
Guide dia. in cylinder head
Valve spring
On installation (free length)
Wear limit
Camshafts
Wear limit
Inlet and exhaust
Bearing journal diameter
Cam height I
Cam height E
Wear limit I
Wear limit E
Bearing bore dia. in camshaft mount
Oil pressure control valve
Coil spring length, relaxed
Oil retaining valve
Coil spring length, relaxed
Pistons
Piston diameter
"A"
On installation
Wear limit
Installed clearance
Wear limit
"B"
On installation
Wear limit
Installed clearance
Wear limit
F 650 GS
° 45
° 45
° 15
° 18
mm (in) 1.05...1.35 (0.041...0.053)
mm (in) 1.60 (0.063)
mm (in) 1.25...1.55 (0.049...0.061)
mm (in) 2.2 (0.09)
mm (in) 5.006...5.018 (0.1971...0.1976)
mm (in) 5.080 (0.2000)
mm (in) 5.006...5.018 (0.1971...0.1976)
mm (in) 5.080 (0.2000)
mm (in) 33.400 (1.3150)
mm (in) 0.200 (0.0079)
mm (in) 33.600 (1.3229)
mm (in) min. 40.5 (1.60)
mm (in) 39.0 (1.54)
mm (in) 21.95 (0.864)
mm (in) 39.35...39.45 (1.545...1.553)
mm (in) 39.15...39.25 (1.541...1.545)
mm (in) 39.25 (1.545)
mm (in) 39.05 (1.537)
mm (in) 22.040 (0.8677)
mm (in) min. 14.0 (0.55)
mm (in) min. 14.5 (0.57)
mm (in) 99.975...99.985 (3.9361...3.9365)
mm (in) 99.940 (3.9347)
mm (in) 0.015...0.040 (0.0006...0.0016)
mm (in) 0.090 (0.0035)
mm (in) 99.985...99.995 (3.9365...3.9369)
mm (in) 99.950 (3.9351)
mm (in) 0.015...0.040 (0.0006...0.0016)
mm (in) 0.090 (0.0035)
11.7