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Equipment recall 80E012000 · June 2, 1980

Harley-Davidson Harley Davidson

There is a possibility that the use of a non-specified material in the plastic piston of the master cylinder assembly may allow a greater degree of water absorption than intended…

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

This is a recall of aftermarket equipment listed for the vehicles below. It applies only if the recalled part was installed on the vehicle.

Summary
There is a possibility that the use of a non-specified material in the plastic piston of the master cylinder assembly may allow a greater degree of water absorption than intended by Harley Davidson.
Remedy
Manufacturer will inspect all suspect cylinders discovered in dealer"s parts inventories and will inform owners about replacement procedures.
Notes
Vehicle category: motorcycles.system: service brakes; rear brake master cylinder; Harley Davidson, part NO.424 15-79.CONSEQUENCES of defect: depending on the moisture content of the brake fluid, aplastic piston made of this non-specified material may stick in the mastercylinder piston bore, causing loss of vehicle control and an accident.

Recall details

NHTSA campaign
80E012000
Reported to NHTSA
June 2, 1980
Filed by
HARLEY-DAVIDSON MOTOR CO.
Owner notification
June 2, 1980
Vehicles potentially affected
306
Initiated by
the manufacturer
Components
Service brakes, hydraulic › Foundation components › Master cylinder
Recall 80E012000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

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.