BMW K75 Repair Manual page 57

Engine Specifications
Model K75
IK75 C IK75S IK 100
I K 100 RslK 100 RTIK 100LT
Valve clearances
(adjust with engine cold,
max. 35°G
- inlet valves
mm 0.15 ... 0.20
- exhaust valves mm 0.25 ... 0.30
Valvetiming at 5/1 00 preload and 3 mm lift
inletopens 5°afterTOG
inlet closes 27°after BOG
exhaust opens 28°before BOG
exhaust closes
5°before TOG
Valves
Overaillengths
inlet
mm 111
exhaust mm 110.71 ±0.1
Valve head dia.
inlet mm 34
exhaust
mm 30
Valve stem dia.
inlet mm
6.975 - 0.015
ex haust mm
6.960 - 0.015
Wearlimit
inlet mm 6.950
exhaust mm 6.935
Valve head rim thickness
inlet mm 1.5 ± 0.15
exhaust
mm 1.5±0.15
Min. rimthickness
inlet mm 1.0
exhaust mm 1.0
Max. valve head runout
inlet mm
0.03
exhaust mm 0.03
Valve seat angle
inlet 44° 30' - 20'
exhaust
44° 30' - 20'
-
-- -- -
8.87
11 - 05.0