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1979 Harley Davidson 1000

Component

Service Brakes, Hydraulic:Foundation Components:Master Cylinder

Consequence of Defect

the rear brake master cylinder plastic piston employs a non-specified material which may allow excessive water absorption. as a result, the plastic piston might stick in the master cylinder piston bore and cause brake drag.

Corrective Action

Recall Notes

dealer will replace rear brake master cylinder pistons without charge to owner.

1979 Harley Davidson 1000

Component

Service Brakes, Hydraulic:Pedals And Linkages

Consequence of Defect

the rear brake free travel adjusting bolt and nut installed during vehicle assembly may have been incorrectly tightened. this could cause the brake pedal to become jammed during brake operation.

Corrective Action

Recall Notes

dealer will inspect and, if necessary, adjust and tighten the jamnuts.

1979 Harley Davidson 1000

Component

Service Brakes, Hydraulic:Pedals And Linkages

Consequence of Defect

because the rear brake pedal is made of aluminum castings it could break at the pedal arm or clamping hole.

Corrective Action

Recall Notes

the dealer will inspect and, if necessary, replace the rear brake pedal without charge.

1979 Harley Davidson 1000

Component

Service Brakes, Hydraulic:Foundation Components:Master Cylinder

Consequence of Defect

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.

Corrective Action

Recall Notes

dealer will replace defective front brake master cylinders without charge to owners.

1978 Harley Davidson 1000

Component

Service Brakes, Hydraulic:Pedals And Linkages

Consequence of Defect

because the rear brake pedal is made of aluminum castings it could break at the pedal arm or clamping hole.

Corrective Action

Recall Notes

the dealer will inspect and, if necessary, replace the rear brake pedal without charge.

1978 Harley Davidson 1000

Component

Service Brakes, Hydraulic:Foundation Components:Master Cylinder

Consequence of Defect

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.

Corrective Action

Recall Notes

1977 Harley Davidson 1000

Component

Service Brakes, Hydraulic:Foundation Components:Master Cylinder

Consequence of Defect

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.

Corrective Action

Recall Notes

1977 Harley Davidson 1000

Component

Service Brakes, Hydraulic

Consequence of Defect

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.

Corrective Action

Recall Notes

dealer will replace bolts with improved type bolts, where necessary.

1976 Harley Davidson 1000

Component

Service Brakes, Hydraulic

Consequence of Defect

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.

Corrective Action

Recall Notes

dealer will replace bolts with improved type bolts, where necessary.

1975 Harley Davidson 1000

Component

Service Brakes, Hydraulic

Consequence of Defect

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.

Corrective Action

Recall Notes

dealer will replace bolts with improved type bolts, where necessary.