BMW F 650 GS Repair Manual page 66

Technical Data
Piston rings
1st groove Rectangular-section ring
Ring thickness
Ring thickness wear limit
End gap
End-gap wear limit
Groove-height wear limit
Ring float
Ring float, wear limit
2nd groove Micro-taper ring
Ring thickness
Ring thickness wear limit
End gap
End-gap wear limit
Groove-height wear limit
Ring float
Ring float, wear limit
3rd groove Spring-steel oil control ring
End gap
End-gap wear limit
Groove-height wear limit
Ring float
Ring float, wear limit
Piston pin
Piston pin dia.
Wear limit
Piston-pin play
in small end bore
Wear limit
in bore in piston
Wear limit
Cylinder
Bore
Cylinder "A"
Wear limit
Bore
Cylinder "B"
Wear limit
Timing chain
Wear limit
Distance from sealing face of plug to pis-
ton of chain tensioner
Clutch and gearbox
Clutch friction plates (8 plates)
Size per plate on installation
Wear limit for thickness of plate assembly
(total)
Copper springs
Wear limit at 190 N
Oil pump
Oil pumps
11.8
F 650 GS
mm (in) 1.2 (0.05)
mm (in) 1.15 (0.045)
mm (in) 0.2...0.4 (0.008...0.016)
mm (in) 1.0 (0.04)
mm (in) 1.30 (0.051)
mm (in) 0.03...0.065 (0.0012...0.0026)
mm (in) 0.15 (0.045)
mm (in) 1.5 (0.06)
mm (in) 1.45 (0.057)
mm (in) 0.2...0.4 (0.008...0.016)
mm (in) 1.0 (0.04)
mm (in) 1.6 (0.06)
mm (in) 0.03...0.065 (0.0012...0.0026)
mm (in) 0.15 (0.045)
mm (in) 0.2...0.4 (0.008...0.016)
mm (in) 1.0 (0.04)
mm (in) 2.6 (0.10)
mm (in) 0.03...0.065 (0.0012...0.0026)
mm (in) 0.15 (0.045)
mm (in) 21.98 (0.865)
mm (in) 0.015...0.029 (0.0006...0.0011)
mm (in) 0.050 (0.0020)
mm (in) 0.012...0.021 (0.0005...0.0008)
mm (in) 0.050 (0.0020)
mm (in) 100.000...100.012 (3.9371...3.9376)
mm (in) 100.03 (3.9382)
mm (in) 100.012...100.024 (3.9376...3.9380)
mm (in) 100.04 (3.9387)
mm (in) 9.0 (0.35)
mm (in) 3.45...3.55 (0.136...0.140)
mm (in) 27.5 (1.082)
mm (in) 27.4 (1.079)
primary/secondary