Open official notice

Motorcycle (Honda CBR400R, 400X) - Repair

Official notice

2 Sept 2021

Last checked

27 Oct 2026

RecallScope risk estimate:HighCAA Japan

An official CAA Japan notice concerns Motorcycle (Honda CBR400R, 400X) - Repair. Braking system (ABS modulator) defect. ■ Defective part (component name): Braking system (ABS modulator). ■ Condition of the structure, equipment or performance considered noncompliant with standards and its cause: Due to improper management of the grease application equipment, excessive grease was applied to the reservoir piston O-ring in some ABS (anti-lock braking system) modulators. Repeated brake operation may cause this grease to migrate to the outlet valve. If foreign matter adheres to the grease and becomes trapped in the check valve, the braking stopping distance may increase. Published 2021-09-02.

What to do now

(Recall) 5008 ■ Corrective measures: Replace the ABS modulator with a non-defective unit on all vehicles.

Recall number

5008

Official notice

2021-09-02

The hazard

Braking system (ABS modulator) defect. ■ Defective part (component name): Braking system (ABS modulator). ■ Condition of the structure, equipment or performance considered noncompliant with standards and its cause: Due to improper management of the grease application equipment, excessive grease was applied to the reservoir piston O-ring in some ABS (anti-lock braking system) modulators. Repeated brake operation may cause this grease to migrate to the outlet valve. If foreign matter adheres to the grease and becomes trapped in the check valve, the braking stopping distance may increase.

How to check if you're affected

Compare the product name and identifiers below with the item you own. Check the official notice for the affected products and next steps.

Recall Numbers

5008

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Affected products

Product 1

ホンダ「CBR400R」「400X」

Hazard

Braking system (ABS modulator) defect. ■ Defective part (component name): Braking system (ABS modulator). ■ Condition of the structure, equipment or performance considered noncompliant with standards and its cause: Due to improper management of the grease application equipment, excessive grease was applied to the reservoir piston O-ring in some ABS (anti-lock braking system) modulators. Repeated brake operation may cause this grease to migrate to the outlet valve. If foreign matter adheres to the grease and becomes trapped in the check valve, the braking stopping distance may increase.

Where it was sold

Retailer information is not currently available in RecallScope. Check the official notice for distribution details.

Location 1

JP · Japan

Affected area 1

JP · Japan

Company & contacts

Brand

Manufacturer

本田技研工業株式会社

Phone

0120-086819

Brand: Honda. Contact: 本田技研工業株式会社. Phone 0120-086819.

Source & status

Source

Tier

official

Category

VEHICLES

Official classification

消費者庁 — 修理

Recall details

Recall number

5008

Event id

CAA-00000028296

Source tier

official

Documents, notices & source

See the official notice and source documents for full details.

View full official notice
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