Recall campaign77V164000
Recall 77V164000: 1978 Harley-Davidson 1200
Service brakes, hydraulic › Foundation components › Master cylinder
- Report received
- Sep 28, 1977
- Manufacturer
- Harley-davidson motor co.
- Potentially affected
- 385vehicles
- Model years
- 1978
Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.
What NHTSA recorded
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.
Remedy
Dealer will inspect and, if necessary, install the correct master cylinder o-ring without charge to owner.
Affected model years
Pages for each model year show complaints, parts, mileage and other recalls.
- 1978 Harley-Davidson 12000 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.