Sierra 18-6961 Outboard Starter Motor for Yamaha 4-Stroke Engines

The Sierra International 18-6961 is a high-quality replacement outboard starter motor engineered for Yamaha 4-stroke outboard engines. Designed to meet or exceed OEM performance standards, this starter delivers reliable cranking power for high-horsepower marine applications.

Built to SAE J1171 and ISO 8846 marine-grade standards, the Sierra 18-6961 features high-quality magnets and field coils for improved starting torque, along with double-sealed housings and premium brushes for extended service life in demanding marine environments.

Key Features:

• Marine-grade construction meeting SAE J1171 and ISO 8846 standards
• High-quality magnets and field coils for superior starting torque
• Double-sealed housing for enhanced corrosion and moisture resistance
• Premium brushes for extended service life
• 12V, 1.4kW output with counterclockwise (CCW) rotation
• 9-tooth drive gear — PMGR (Permanent Magnet Gear Reduction) design
• Direct bolt-on replacement — no modifications required

Replaces OEM Part Numbers:

• Yamaha: 6CB-81800-00-00, 6CB-81800-01, 6CB-81800-02, 6CE-81800-00-00, 6CE-81800-01, 6EM-81800-00, 6EM-81800-01, 6EM-81800-02
• Hitachi: S114-952A, S114-952C, S114-952D, S114-888A
• Mercury/Quicksilver: 8M6007425
• J&N / Arrowhead: 410-44130, SHI0197

Sierra is one of the most trusted names in the marine industry, offering a Customer Satisfaction Warranty that covers defects in workmanship and materials for the useful life of the product. The 18-6961 provides a cost-effective, OEM-quality alternative to dealer-sourced replacement starters.