9th Cir.

Jackson, et al. v. Suzuki Motor of America, Inc., et al.

July 24, 2026 ·8:23-cv-02189-FWS-JDE ·Unpublished · By James Taylor

The Ninth Circuit affirmed the dismissal of a product liability class action alleging design defects in Suzuki motorcycle brake systems. The court held that the plaintiffs failed to plausibly allege a specific design defect or establish a causal link between the alleged corrosion and their brake failures.

Listen to this decision 0:00 / 1:21

Background

Plaintiffs appealed the district court’s dismissal of their putative class action against Suzuki Motor of America, Inc. They alleged that Suzuki motorcycles suffered from problems with the front brake master cylinder due to corrosion. The district court dismissed the claims for failure to state a claim and denied motions for reconsideration and leave to amend.

The court’s reasoning

The court reviewed the dismissal de novo, accepting well-pleaded factual allegations as true. It found that the Third Amended Complaint described the corrosion process but failed to identify the specific design defect or its nexus to the brake failures. The court noted that Suzuki had taken affirmative steps to address corrosion through recalls, making an inference of wrongdoing implausible without further factual enhancement. The court also found that arguments regarding reconsideration and leave to amend were waived or lacked development.

The dissent

Plaintiffs were quite specific in their allegation of the defect. They alleged that the motorcycles they purchased had defective front brake master cylinders.

Tung

What it means going forward

The decision reinforces the requirement in product liability cases for plaintiffs to plead specific facts identifying a design defect and establishing a plausible causal connection to the alleged harm, rather than relying on general allegations of corrosion or failure.