Special Tools

Description	Part Number	Qty.
DOT 4 BRAKE FLUID MOISTURE TESTER	HD-48497-A	1

Consumables

Description	Part Number	Size
Harley-Davidson Platinum Label DOT 4 Brake Fluid	41800xxx	-

WARNING

Clean reservoir filler cap or cover before removing. Use only DOT 4 brake fluid from a sealed container. Contaminated fluid can adversely affect braking or clutch disengagement, which could result in death or serious injury. (00504d)

WARNING

Contact with DOT 4 brake fluid can have serious health effects. Failure to wear proper skin and eye protection could result in death or serious injury.

If inhaled: Keep calm, remove to fresh air, seek medical attention.
If on skin: Remove contaminated clothing. Rinse skin immediately with plenty of water for 15-20 minutes. If irritation develops, seek medical attention.
If in eyes: Wash affected eyes for at least 15 minutes under running water with eye lids held open. If irritation develops, seek medical attention.
If swallowed: Rinse mouth and then drink plenty of water. Do not induce vomiting. Contact Poison Control. Immediate medical attention required.
See Safety Data Sheet (SDS) for more details available at sds.harley-davidson.com

(00240e)

NOTICE

DOT 4 brake fluid will damage painted and body panel surfaces it comes in contact with. Always use caution and protect surfaces from spills whenever brake work is performed. Failure to comply can result in cosmetic damage. (00239c)

NOTICE

Do not allow dirt or debris to enter the master cylinder reservoir. Dirt or debris in the reservoir can cause improper operation and equipment damage. (00205c)

NOTE

At every service, check moisture content of fluid using DOT 4 BRAKE FLUID MOISTURE TESTER (Part Number:HD-48497-A). Follow the instructions included with tool.
Flush brake system and replace Harley-Davidson Platinum Label DOT 4 Brake Fluid (41800xxx) fluid every two years or sooner if brake fluid test shows moisture content is 3% or greater.
Fluid should never need to be added or removed from the system during normal wear, except for fluid replacement as specified in the maintenance schedule.
Fluid level in reservoir will decrease with brake wear. Reservoir volume is adequate to provide fluid to the wear limits of the pads and rotors.

Front

1.	See Figure 1. Check front master cylinder reservoir fluid level in sight glass. a. Set motorcycle upright. See Secure the Motorcycle for Service in Maintenance → GENERAL. b. Verify reservoir is level. c. Check level in sight glass.
2.	View reservoir sight glass. Fluid level must be at or above the minimum mark on glass. If level is below minimum mark: a. Check brake pad installation and rotors are properly installed and not worn beyond service limits. See Maintenance → INSPECT BRAKES. b. Check brake system for leaks. Repair as necessary.

Rear

1.	See Figure 2. Check rear master cylinder reservoir fluid level in sight glass. a. Set motorcycle upright. See Secure the Motorcycle for Service in Maintenance → GENERAL. b. Verify reservoir is level.
2.	If brake fluid is below MIN mark: a. Check brake pad installation or for wear beyond specification. See Maintenance → INSPECT BRAKES. b. Check brake system for leaks. Repair as necessary.

Figure 1. Front Master Cylinder Reservoir Sight Glass MIN Level

Figure 2. Rear Master Cylinder Reservoir MIN Level