Triumilynn Starter Motor for Yamaha Grizzly 400-660, Kodiak 400-450, Wolverine 450, Rhino 450-660 + Relay

Overview

When a ride depends on a steady start, replacing a tired starter can make a noticeable difference. The Triumilynn Starter Motor is engineered as a practical 12-volt replacement designed to fit a broad set of Yamaha ATVs from the early 2000s through the early 2010s. With a CCW rotation and a 9-tooth spline, this unit aims for crisp engagement and reliable cranking, helping you get rolling again with confidence.

The included relay helps streamline wiring during installation and can reduce the risk of crank delays caused by electrical glitches. This is about getting back on the trail promptly, not about reshaping your riding plans—more dependable starts, less downtime, and fewer frustrating moments turning the key on a cold morning or after a long day in the mud.

Compatibility and fit

Designed to work with Yamaha Grizzly 400/450/660 models from 2002 to 2010, Kodiak 400/450 from 2000 to 2006, Wolverine 450 from 2006 to 2010, and Rhino 450/660 from 2004 to 2006, the unit references common part numbers: 4WV-81890-00-00, 4WV-81800-00-00, 5KM-81890-00-00 and related cross references. If you’re rebuilding or replacing worn parts, this starter aims to restore near-original starting behavior across a busy riding season.

What’s included

• 1 x Starter Motor
• 1 x Relay
• 1 x Wrench
• A pair of Gloves

Key specifications

• Voltage: 12 Volt
• Starter Teeth/Splines: 9 Teeth
• Rotation: CCW
• Type: PMDD

Installation notes and service

The motor is designed to align with the original mounting points and electrical connectors for straightforward installation. If there are any issues with the product, contact our professional service team promptly for assistance and guidance through setup or troubleshooting.

Why choose Triumilynn

Triumilynn focuses on durable, user-friendly parts for everyday ATV use. This starter motor combines robust build quality with practical specifications that support dependable starts in changing temperatures and terrains. The relay and included tools help you complete the job without extra trips to the store, while real-world riders often notice smoother crank action and quicker wake-ups under typical conditions. As with any electrical replacement, results depend on battery health and correct wiring, so consider a full system check as part of the install.