Sierra Outboard Starter 18-6426 for Yamaha Outboard Engines

The Sierra 18-6426 is an outboard starter built to crank Yamaha outboard engines reliably season after season. As a direct replacement starter, it restores dependable engine startup for boaters whose original starter has worn out, weakened, or failed from years of marine service. Marine starters work in a demanding environment of vibration, moisture, and temperature swings, and this unit is manufactured to stand up to that duty cycle while delivering the torque needed to turn over a Yamaha outboard powerhead.

Installation follows standard outboard starter replacement procedure: disconnect the battery, remove the old starter, and mount the Sierra 18-6426 in its place using the existing mounting hardware and wiring connections. Because it is designed specifically for Yamaha outboard applications, boat owners and marine technicians can swap it in without modifying the starter circuit or mounting points. Keeping a proven, correctly sized starter on hand helps avoid downtime at the dock or ramp when an original-equipment unit reaches the end of its service life.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-6426
• Product Type: Outboard Starter
• Application: Yamaha outboard engines
• Weight: 7.87 pounds
• UPC: 808282137816

Frequently Asked Questions

What engines does the Sierra 18-6426 starter fit? The Sierra 18-6426 is built for Yamaha outboard engines as a direct-fit replacement starter.

How much does the Sierra 18-6426 outboard starter weigh? This starter weighs 7.87 pounds.

Is the Sierra 18-6426 a new starter or a rebuilt unit? The 18-6426 is sold as a new outboard starter under the Sierra brand, not a core-exchange rebuild.

Can I install the Sierra 18-6426 myself? Yes, replacing an outboard starter with the Sierra 18-6426 follows standard procedure: disconnect the battery, unbolt the old starter, and mount the new one using the existing hardware and wiring connections.

Does the Sierra 18-6426 include mounting hardware? The Sierra 18-6426 is the starter motor itself; it is installed using the existing mounting bolts and electrical connections from the outboard being serviced.

What is the UPC for the Sierra 18-6426 starter? The UPC for the Sierra 18-6426 Yamaha outboard starter is 808282137816.

Why would I need to replace my outboard starter? Outboard starters like the Sierra 18-6426 typically need replacement when the original unit wears out, weakens, or fails to reliably crank the engine after years of marine use.

Is the Sierra 18-6426 designed for saltwater use? The Sierra 18-6426 is built as a marine-duty outboard starter intended for the vibration, moisture, and temperature demands of outboard engine service.

What brand is the 18-6426 starter? The 18-6426 outboard starter is manufactured by Sierra.

Will the Sierra 18-6426 work as a drop-in replacement without rewiring? Because the Sierra 18-6426 is designed specifically for Yamaha outboard applications, it mounts and wires in using the existing starter circuit and mounting points.