21.3
21
Technical data R 850 C R 1200 C
Type of clutch single dry plate with increased-leverage dia-
phragm spring
Operation hydraulic, with master and slave cylinders
Master cylinder piston Ø mm (in) 13 (0.51)
Slave cylinder piston Ø mm (in) 24 (0.94)
Clutch fluid DOT 4 brake fluid
Clutch plate dia. mm (in) 165 (6.50)
Wear dimension mm (in) 4.6 (0.18)
(measured on rivets of clutch plate using tips of
sliding caliper, pressed together by hand)