Harley-Davidson Motor Company: Safety Recalls in 1977

Updated on March 19, 2026.

There were 3 safety recalls made by Harley-Davidson Motor Company in 1977. See the details of the recalls below.

You can also see similar information for other manufacturers.

Data Source: NHTSA.

See this for other years:

September 28, 1977

(Campaign #: NR (Not Reported))

BRAKES:HYDRAULIC:MASTER CYLINDER:PISTONS:CUPS:SPRI

AN INCORRECT O-RING MAY HAVE BEEN INSTALLED IN THE REAR BRAKE MASTER CYLINDER. THIS COULD ALLOW AIR LEAKAGE INTO THE REAR BRAKE SYSTEM, POSSIBLY RESULTING IN LOSS OF REAR BRAKING EFFECTIVENESS.

NHTSA ID: 77V164000

Component: SERVICE BRAKES, HYDRAULIC

# of Units Affected: 385

Consequence Summary:

Corrective Action:

DEALER WILL INSPECT AND, IF NECESSARY, INSTALL THE CORRECT MASTER CYLINDER O-RING WITHOUT CHARGE TO OWNER.

Park Outside Advisory: No

Do not Drive Advisory: No

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August 10, 1977

(Campaign #: NR (Not Reported))

SUSPENSION:SINGLE AXLE:REAR:SHOCK ABSORBER

THE INVOLVED VEHICLES MAY CONTAIN INCORRECT SHOCK ABSORBER MOUNTING WASHERS. THESE INCORRECT WASHERS PREVENT EITHER THE UPPER OR LOWER SHOCK ABSORBER EYES FROM ROTATING FREELY WHEN THE SUSPENSION SYSTEM MOVES, CAUSING STRESS ON THE SHOCK ABSORBER EYE. THIS COULD LEAD TO PREMATURE FAILURE, CAUSING COLLAPSE OF THE SUSPENSION AND A LOCKED WHEEL.

NHTSA ID: 77V120000

Component: SUSPENSION

# of Units Affected: 347

Consequence Summary:

Corrective Action:

THE DEALER WILL REPLACE THE CUPPED SHOCK ABSORBER MOUNTING WASHERS WITH FLAT ONES, WITHOUT CHARGE.

Park Outside Advisory: No

Do not Drive Advisory: No

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March 1, 1977

(Campaign #: NR (Not Reported))

BRAKES:MECHANICAL SERVICE:OTHER

ON THE INVOLVED VEHICLES, ONE OR BOTH OF THE FRONT BRAKE CALIPER BOLTS MAY BREAK. THIS COULD ALLOW THE BROKEN PORTION OF THE BOLT TO DRIFT INTO THE ADJACENT ROTATING WHEEL SPOKES. SHOULD BOTH CALIPER BOLTS BREAK, THE INNER CALIPER HALF MAY BECOME DETACHED FROM THE MOTORCYCLE.

NHTSA ID: 77V032000

Component:

# of Units Affected: 79,056

Consequence Summary:

Corrective Action:

DEALER WILL REPLACE BOLTS WITH IMPROVED TYPE BOLTS, WHERE NECESSARY.

Park Outside Advisory: No

Do not Drive Advisory: No

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