Sierra 18-6426 Yamaha Outboard Starter HPDI 150-200HP

The Sierra 18-6426 is a high-performance outboard starter designed specifically for Yamaha HPDI (High Pressure Direct Injection) 2-stroke V6 outboard engines ranging from 150HP to 200HP. This marine-grade starter features a permanent magnet gear reduction (PMGR) design that delivers reliable starting power in demanding marine environments.

Key Features:

• 12-volt PMGR starter with counterclockwise rotation
• 13-tooth drive gear with 39.7mm (1.563") outer diameter
• Sealed housing design prevents water intrusion and corrosion
• Spark/ignition protection to prevent fuel vapor ignition in bilge areas
• Tested for Coast Guard and CE compliance
• High-quality magnets and field coils provide superior starting torque
• Double-sealed construction with premium brushes for extended service life
• Two 8.8mm unthreaded mounting ears for secure installation
• 63cm switch lead with 6.6mm ring terminal and M8-1.25 threaded battery stud

Replaces OEM Part Numbers: Yamaha 68F-81800-00, 68F-81800-01, 68F-81800-02, 68F-81800-03, 68F-81800-04; Hitachi S114-836A, S114-836BN

Sierra marine starters meet or exceed original equipment specifications and are engineered to withstand the harsh conditions of marine environments while delivering dependable performance season after season.