Vehicle recall 79V100000 · April 17, 1979
Harley-Davidson 1000, 1200 and 1 more model
Certain vehicles may have been equipped with front brake master cylinders which have fissures in the cylinder bodies.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Certain vehicles may have been equipped with front brake master cylinders which have fissures in the cylinder bodies. This would allow brake fluid leakage through the fissured section.
- Remedy
- Dealer will replace defective front brake master cylinders without charge to owners.
- Notes
- Vehicle description: motorcycles.system: service brakes; master cylinder, front brake.consequences of defect: brake fluid leakage would impair braking effectiveness.in some cases, complete loss of front brakes, loss of vehicle control, and anaccident could occur.note: owner is advised not to operate the motorcycle until the problem iscorrected.
Recall details
- NHTSA campaign
- 79V100000
- Reported to NHTSA
- April 17, 1979
- Filed by
- HARLEY-DAVIDSON MOTOR CO.
- Owner notification
- May 10, 1979
- Vehicles potentially affected
- 370
- Initiated by
- the manufacturer
- Components
- Service brakes, hydraulic › Foundation components › Master cylinder
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Harley-Davidson 1000 (1979): 1979
- Harley-Davidson 1200 (1979): 1979
- Harley-Davidson 1340 (1979): 1979
Has your Harley-Davidson been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Harley-Davidson dealer can also check your VIN. Recall repairs are free.