HARLEY-DAVIDSON 1000 1978: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

General Information

NHTSA Campaign ID Number: 79V114000

Make Model Year
HARLEY-DAVIDSON 1000 1978
Date Owners Notified Date Received by ODI Date Added to Database
1979-06-14 1979-05-10 1979-10-12

Production Dates: 1976-11-01 - 1977-12-01

Manufacturers Involved: Harley-Davidson Motor Company

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Potential Number Of Units Affected: 3074

Report Initiator: MFR MFR Report

Summary

THE INVOLVED CYCLES WERE PRODUCED WITH A REAR BRAKE MASTER CYLINDER PUSH ROD WHICH HAS INSUFFICIENT CONTACT AREA WITH THE REAR BRAKE MASTER CYLINDER PISTON. THIS COULD RESULT IN THE ROD PENETRATING THE PISTON DURING EXTREMELY HIGH PEDAL EFFORT.

Notes

VEHICLE DESCRIPTION: MOTORCYCLES.SYSTEM: SERVICE BRAKES; HYDRAULIC, MASTER CYLINDER.CONSEQUENCES OF DEFECT: LOSS OF REAR BRAKE PERFORMANCE COULD LEAD TO LOSS OFVEHICLE CONTROL AND AN ACCIDENT.NOTE: ALTHOUGH OPERATOR WOULD STILL HAVE FULL USE OF THE FRONT BRAKE, VEHICLESHOULD NOT BE OPERATWILL INSTALL A REDESIGNED, LARGER PUSH ROD AND REPLACE THE MASTER CYLINDERAT NO COST TO OWNER.