Arco Starting & Charging 3451 Outboard Starter for Yamaha 300-425HP

The Arco Starting & Charging 3451 is an original equipment quality replacement starter designed specifically for Yamaha outboard engines rated 300HP to 425HP from model years 2007-2022. This marine-grade starter delivers reliable starting performance in demanding saltwater and freshwater environments.

Key Features:

• Dynamically tested and packaged for out-of-the-box performance
• Nickel-coated and epoxy-painted components to reduce corrosion in marine environments
• Sealed construction to minimize water intrusion and extend service life
• Armatures tested to withstand 50 times operating voltages for exceptional durability
• Engineered for long life and optimum performance on high-horsepower Yamaha outboards

Installation Notes:

ARCO recommends using a fully charged battery during installation and operation, as a weak battery can damage the starter and solenoid. Clean all electrical connections thoroughly before installation—corroded connections create resistance that reduces the amperage required for efficient starting.

Replaces:

• Yamaha 6AW-81800-00-00
• Mitsubishi M008T71771
• Mitsubishi M008T71772
• Sierra 18-55507

Warranty:

Covered by a 12-month warranty for leisure use and 90 days for commercial or racing applications when properly installed. An additional year of warranty coverage is available when you register your product within 30 days of purchase at arcomarine.com/product-registration.