Removing
1. Remove gearbox.
Shaft type
2. Disconnect bearing (indicated by an arrow) from the clutch release fork and remove the bearing from the input shaft.
3. Remove the roll pin from the drive lever, at the top of the shaft, and remove the clutch release lever from the top of the clutch release shaft. When installing, a new roll pin must be used.
4. Press the circlip and remove the upper sleeve from the clutch fork shaft.
5. Remove the shaft from the lower bushing and remove it from the clutch housing.
6. Press the circlip and remove the lower bushing from the clutch housing.
Ball tip type
7. Release the latches and slide the release bearing off the guide sleeve.
8. Remove the clutch release fork.
Examination
1. Check the clutch release mechanism and replace worn parts if necessary.
2. Check the release bearing, which should rotate easily, evenly and silently. The working surface of the bearing acting on the pressure spring must be smooth, without cracks, local corrosion or wear. If these defects are present, the release bearing must be replaced. On the leading clutch units of the second type, it is necessary to replace the entire assembly.
Installation
Shaft type
1. Lubricate pivot points and fork contact surfaces with molybdenum disulphide.
2. Install the lower clutch housing bushing. Insert the clutch release shaft and upper bushing and secure with circlips.
3. Install the clutch release lever on the shaft, align the holes on the shaft and the lever, and insert a new roll pin. Install the release bearing on the gearbox input shaft and connect it to the clutch release fork.
4. Install gearbox.
Ball tip type
5. Lubricate the bushing with molybdenum disulphide and install the clutch release fork.
6. Press the ball pin until it clicks into place.
7. Install the bearing on the guide sleeve and secure with clips.
8. Install gearbox.