The transmission lubricant level should be checked monthly.
Refer to Maintenance Scheduling → Regular Service Intervals: Softail Models → Regular Service Intervals: 2010 Softail Models. The transmission should be drained and refilled with fresh lubricant at proper intervals.
NOTE
When checking the transmission lubricant level, the motorcycle should be leaning on the jiffy stand. Allow a short period of time to equalize lubricant level in the transmission compartments.
Check Lubricant Level
1. Park motorcycle on the jiffy stand.
2. See Figure 1. Remove the threaded filler plug/dipstick by turning the plug counterclockwise.
3. See Figure 2. Wipe off filler plug/dipstick. Insert in filler hole and remove. (Dipstick should rest on lip of filler. Do not tighten. Lubricant level should be between the upper and lower ends of the oil level indicator marks on the dipstick.
WARNING
Be sure that no lubricants or fluids get on tires, wheels or brakes when changing fluid. Traction can be adversely affected, which could result in loss of control of the motorcycle and death or serious injury. (00047d)
NOTICE
When draining or adding lubricant, do not allow dirt, debris or other contaminants to enter the engine. (00198a)
4. Add lubricant, if necessary. Do not overfill or leakage may occur.
NOTE
  • When filling the transmission, use GENUINE Harley-Davidson FORMULA+ TRANSMISSION AND PRIMARY CHAINCASE LUBRICANT (Part No. 99851-05 quart).
  • The transmission fluid capacity is approximately 32 ounces (0.95 liters).
  • Inspect O-ring for tears or damage. Replace if required. Wipe any foreign material from plug.
5. Install threaded filler plug/dipstick and tighten to 2.8–8.5 N·m (25–75 in-lbs).
Figure 1. Transmission Filler Plug/Dipstick (FXCWC shown)
1FULL
2ADD
Figure 2. Transmission Filler Plug/Dipstick Lubricant Level
Changing Transmission Lubricant
1. See Figure 1. Remove the transmission filler plug/dipstick.
2. See Figure 3. Remove transmission drain plug and drain lubricant into a suitable container.
NOTE
Do not overfill or leakage may occur. The transmission lubricant capacity is approximately 32 ounces (0.95 liters).
NOTE
Dispose of transmission lubricant in accordance with local regulations.
NOTICE
When draining or adding lubricant, do not allow dirt, debris or other contaminants to enter the engine. (00198a)
WARNING
Be sure that no lubricants or fluids get on tires, wheels or brakes when changing fluid. Traction can be adversely affected, which could result in loss of control of the motorcycle and death or serious injury. (00047d)
3. Inspect O-ring for tears or damage on the drain plug. Replace if required. Wipe any foreign material from plug.
4. Install drain plug and tighten to 19–28.5 N·m (14–21 ft-lbs).
5. Fill the transmission with 32 oz. (0.95 liters) of GENUINE Harley-Davidson FORMULA+ TRANSMISSION AND PRIMARY CHAINCASE LUBRICANT (Part No. 99851-05 quart).
6. Install threaded filler/check plug and tighten to 2.8–8.5 N·m (25–75 in-lbs).
7. Start engine and carefully check for leaks around drain plug.
Figure 3. Transmission Drain Plug (Bottom View)