BMW R 1100 RT Repair Manual page 85

Technical Data
Connecting rod
Big end bore dia.
Big end bearing dia.
Radial clearance
Wear limit
Width of big end bearing eye
Conrod end float
Wear limit
Small end bearing bore dia.
Radial clearance
Wear limit
Distance between centers
Max. deviation from parallel of conrod bores
at 150 mm spacing
Cylinders
Bore
A
Wear limit
B
Wear limit
Total wear clearance of piston and cylinder
Permitted out-of-roundness of cylinder bore
20 mm from the top edge
100 mm from the lower edge
Pistons
Piston dia.
A
Wear limit
B
Wear limit
AB
Wear limit
Installed clearance
Total wear clearance of piston and cylinder
R 850 R
mm (in) 51.000...51.013
(2.00787...2.008386)
mm (in) 48.016...48.050
(1.89039...1.89173)
mm (in) 0.025...0.075
(0.000984...0.0029527)
mm (in) 0.13 (0.001118)
mm (in) 21.883...21.935
(0.86154...0.86358)
mm (in) 0.130...0.312
(0.005118...0.0122834)
mm (in) 0.5 (0.019685)
mm (in) 22.015...22.025
(0.86673...0.867126)
mm (in) 0.015...0.030
(0.0005905...0.0018)
mm (in) 0.06 (0.0023622)
mm (in) 125 (4.92126)
mm (in) 0.07 (0.0027559)
20 mm (0.7874 in)
from top edge
mm (in) 87.492...87.500
(3.444567...3.44489)
mm (in) 87.550 (3.44685)
mm (in) 87.500...87.508
(3.44489...3.4452)
mm (in) 87.558 (3.447165)
mm (in) 0.12 (0.0047244)
mm (in) 0.03 (0.0011811)
mm (in) 0.04 (0.0015748)
(Measuring plane A —
and cylinders)
mm (in) 87.465...87.477
(3.4435...3.443977)
mm (in) 87.390 (3.44055)
mm (in) 87.477...87.485
(3.443976...3.44429)
mm (in) 87.400 (3.4409448)
mm (in) 87.473...87.481
(3.44382...3.444134)
mm (in) 87.395 (3.44075)
mm (in) 0.011...0.035
(0.000433...0.0013779)
mm (in) 0.12 (0.0047244)
R 1100 R
51.000...51.013
(2.00787...2.008386)
48.016...48.050
(1.89039...1.89173)
0.025...0.075
(0.000984...0.0029527)
0.13 (0.001118)
21.883...21.935
(0.86154...0.86358)
0.130...0.312
(0.005118...0.0122834)
0.5 (0.019685)
22.015...22.025
(0.86673...0.867126)
0.015...0.030
(0.0005905...0.0018)
0.06 (0.0023622)
125 (4.92126)
0.07 (0.0027559)
20 mm (0.7874 in)
from top edge
98.992...99.000
(3.89732...3.897638)
99.050 (3.899606)
99.000...99.008
(3.897638...3.897953)
99.058 (3.899921)
0.12 (0.0047244)
0.03 (0.0011811)
0.04 (0.0015748)
see Checking pistons
a
98.965...98.977
(3.89626...3.896732)
98.890 (3.8933)
98.977...98.989
(3.896732...3.897204)
98.900 (3.8937)
98.973...98.981
(3.89657...3.8968897)
98.895 (3.8935039)
0.011...0.035
(0.000433...0.0013779)
0.12 (0.0047244)
11.35