Honda 2015 CRF450X User Manual

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50 Servicing Your Honda

Coolant

Cooling System Bleed Air

1. Remove the radiator cap (1).

2. Fill the system with the recommended

coolant through the filler opening up to filler

neck (2). Use a fresh recommended coolant

mixture (page 48).

Capacity: 1.28 US qt (1.21 ℓ)

(1)

(2)

(1) radiator cap

(2) ller neck

3. Remove the reserve tank cap (3) and fill the

reserve tank to the UPPER level line (4).

(4)

(3)

(3) reserve tank cap

(4) UPPER level line

4. Bleed air from the system as follows:

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engine and let it idle 2 – 3 minutes.

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air from the system.

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coolant up to the proper level. Reinstall the

radiator cap.

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tank and fill to the UPPER level if it is low.

NOTICE

If the radiator cap is not installed properly, it will

cause excessive coolant loss and may result in

overheating and engine damage.

5. Install the reserve tank cap.

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Honda 2015 CRF450X Off-road Trail