General
NOTICE
Use only Genuine Harley-Davidson Extended Life Antifreeze and Coolant. Use of other coolants/mixtures may lead to motorcycle damage. (00179c)
GENUINE HARLEY-DAVIDSON EXTENDED LIFE ANTIFREEZE AND COOLANT is pre-diluted and ready to use full strength. It provides temperature protection to -36.7 °C (-34.0 °F). DO NOT add water.
NOTICE
De-ionized water must be used with the antifreeze in the cooling system. Hard water can cause scale accumulation in water passages which reduces cooling system efficiency, leading to overheating and motorcycle damage. (00195b)
WARNING
Do not loosen or remove pressure cap when cooling system is hot. The cooling system is under pressure and hot coolant and steam can escape from pressure cap, which could cause severe burns. Allow motorcycle to cool before servicing the cooling system. (00091c)
If GENUINE HARLEY-DAVIDSON EXTENDED LIFE ANTIFREEZE AND COOLANT is unavailable, a mixture of de-ionized water and ethylene glycol-based antifreeze may be used. At the first opportunity, change back to GENUINE HARLEY-DAVIDSON EXTENDED LIFE ANTIFREEZE AND COOLANT.
Checking Coolant Level
  1. Position vehicle on level ground resting on the jiffy stand.
  2. Allow motorcycle to cool.
  3. Remove top cover. See Service Procedures → Top Cover.
  4. See Figure 1. Check that coolant level is at or slightly above the "COLD FILL" line (2).
    5. NOTE
    If the coolant reservoir is empty when the motorcycle is cold, inspect the system for leaks. Repair as needed. Fill system with coolant and purge any trapped air.
  5. If level is below "COLD FILL" line on tank, remove coolant reservoir cap (1).
  6. Add GENUINE HARLEY-DAVIDSON EXTENDED LIFE ANTIFREEZE AND COOLANT until fluid level reaches, or is slightly above the "COLD FILL" line.
  7. Install coolant reservoir cap.
1Coolant reservoir cap
2Cold fill level
Figure 1. Coolant Reservoir