Lubrication is a major factor in the performance and service life of the clutch components.
Refer to
Maintenance Scheduling → Regular Service Intervals → Regular Service Intervals: 2015 Softail Models
. The primary chaincase should be drained and refilled with fresh lubricant at proper intervals.
NOTE
Use only FORMULA+ TRANSMISSION AND PRIMARY CHAINCASE LUBRICANT (Part No. 99851-05 qt) when changing primary chaincase lubricant.