1.9PRIMARY CHAIN
GENERAL
All models have an automatic chain tensioner. For primary
chain service procedures, see 6.3 DRIVE COMPONENTS.
CHANGING PRIMARY CHAINCASE
LUBRICANT
1. Run motorcycle until engine is warmed up to normal
operating temperature.
When draining or adding lubricant, do not allow dirt, debris
or other contaminants to enter the engine. (00198a)
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)
2. See Figure 1-14. Remove magnetic drain plug at bottom
of primary chaincase. Drain lubricant into suitable con-
tainer.
NOTE
Dispose of lubricant in accordance with local regulations.
3. Clean drain plug. If plug has accumulated a lot of debris,
inspect the condition of chaincase components.
4. Install new o-ring on drain plug.
5. Install drain plug back into primary chaincase cover.
Tighten plug to 14-21 ft-lbs (19.0-28.5 Nm).
6. See Figure 1-15. Remove five TORX screws with captive
washers (3) to detach clutch inspection cover (2) from
primary chaincase cover.
7. Remove the seal (1). Wipe oil from groove in chaincase
cover and mounting surface.
Do not overfill the primary chaincase with lubricant.
Overfilling can cause rough clutch engagement, incom-
plete disengagement, clutch drag and/or difficulty in
finding neutral at engine idle. (00199b)
8. Refer to Table 1-9. Pour the specified amount of GENUINE
Harley-Davidson FORMULA+ TRANSMISSION AND
PRIMARY CHAINCASE LUBRICANT (Part No. 99851-05
quart) in through the clutch inspection cover opening.
Table 1-9. Primary Chaincase Lubricant Refill Capacity
CAPACITY (WET)ITEM
32 ounces (0.95 liter)Primary chaincase lubricant
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