Check clutch fluid level at specified intervals. Refer to Maintenance Scheduling → Service Records → Regular Service Intervals: 2016 Softail Models .
NOTE
Clutch fluid should never need to be added or removed as the result of normal wear.
1. Place vehicle on a flat level surface. Level the master cylinder by turning the handlebar and/or standing the motorcycle upright (not leaning on jiffy stand).
2. See Figure 1. View reservoir sight glass. Verify fluid presence. Sight glass appears dark if fluid is present. If the entire sight glass is not dark, then proceed to the next step.
NOTE
If DOT 4 brake fluid contacts painted surfaces, IMMEDIATELY flush area with clear water.
WARNING
Contact with DOT 4 brake fluid can have serious health effects. Failure to wear proper skin and eye protection could result in death or serious injury.
  • If inhaled: Keep calm, remove to fresh air, seek medical attention.
  • If on skin: Remove contaminated clothing. Rinse skin immediately with plenty of water for 15-20 minutes. If irritation develops, seek medical attention.
  • If in eyes: Wash affected eyes for at least 15 minutes under running water with eye lids held open. If irritation develops, seek medical attention.
  • If swallowed: Rinse mouth and then drink plenty of water. Do not induce vomiting. Contact Poison Control. Immediate medical attention required.
  • See Safety Data Sheet (SDS) for more details available at sds.harley-davidson.com
(00240e)
NOTICE
Do not allow dirt or debris to enter the master cylinder reservoir. Dirt or debris in the reservoir can cause improper operation and equipment damage. (00205c)
NOTICE
DOT 4 brake fluid will damage painted and body panel surfaces it comes in contact with. Always use caution and protect surfaces from spills whenever brake work is performed. Failure to comply can result in cosmetic damage. (00239c)
3. Clean all dirt and debris from the clutch master cylinder cover. Remove the two clutch master cylinder cover screws. Remove the cover.
NOTE
  • Do not exceed FILL LEVEL. Clutch fluid volume increases with clutch wear. Over-filling can damage seals and damage clutch system.
  • If fluid level is substantially above the FILL level, a worn clutch can be the cause.
  • Check that clutch hand lever returns completely. If lever does not return completely, problems similar to over-filling can result.
NOTICE
DOT 4 hydraulic brake fluid is used in the hydraulic clutch. Do not use other types of fluids as they are not compatible and could cause equipment damage. (00353b)
4. Verify that the fluid level in the clutch master cylinder reservoir is at the FILL level mark at the top of the ledge on the rear inside wall of the reservoir. If the fluid level is low, add DOT 4 BRAKE FLUID which is approved for clutch system use and available from a Harley-Davidson dealer.
5. Inspect the clutch master cylinder cover gasket for rips, cuts, cracks or other signs of damage. Replace the gasket if necessary. Carefully place the cover and cover gasket on the master cylinder reservoir. Secure with the two cover screws. Tighten the screws to 0.9–1.1 N·m (8–10 in-lbs).
NOTE
If the fluid level is correct but the clutch does not operate properly, refer to the service manual or see a Harley-Davidson dealer for service.
Figure 1. Clutch Reservoir Sight Glass