11.9 Technical Data 11 Engine F 650 CS Clutch and gearbox Clutch friction plates (8) Installed dimension of each plate mm (in) Wear limit, height of cluster (total) mm (in) 3.45...3.55 (0.136...0.140) 27.5 (1.083) Clutch springs Wear limit at 190 N mm (in) 27.4 (1.079) Oil pump Oil pumps primary/secondary Housing depth (primary) mm (in) 14 (0.551) Housing depth (secondary) mm (in) 19 (0.748) Wear limit, installed clearance (radial) mm (in) 0.25 (0.01 ) Wear limit, installed clearance (axial) mm (in) 0.25 (0.01)