Premium Honda Rancher 420 Accessories: This OEM-grade starter motor is specifically engineered for Honda powersports parts, perfectly compatible with Rancher 420 TRX420 (2007-2019), Foreman 500 TRX500 (2012-2019), and Pioneer 500 accessories (SXS500M 2015-2021). Direct replacement for OEM parts 31200-HP5-601, ensuring optimal ATV engine performance High-Performance Engine Starter: ​​Features a 12V PMDC motor with 9-tooth drive gear (matches Honda GX390 starter specs), delivering 1.9Nm torque for reliable starts even with weak Honda Rancher 420 battery. 10,000-cycle durability tested for demanding powersports applications Professional ATV Motor Component: Manufactured to exceed Honda OEM standards with upgraded carbon brushes, precision-balanced rotor/stator assembly (-40°C to 85°C operating range), making it ideal for ATV engine upgrades or replacements Simple Installation: Direct bolt-on replacement requiring no modifications (professional installation recommended). Perfect solution for Honda Pioneer 500 accessories maintenance or upgrades Compatibility Verification: Confirm your ATV model is TRX420/TRX500/SXS500M with 12V system (not for 24V) and 9-tooth starter gear. Note: Relay not included. Pair with quality Honda Rancher 420 battery for good performance San-IgniteX Honda-specific starter motor compatible with Rancher 420 TRX420 (2007-2019), Foreman 500 TRX500 (2012-2019, excluding certain sub-models), and Pioneer 500 SXS500M (2015-2021) and other models. Features a 12V permanent magnet DC motor (PMDD) with counterclockwise rotation, 9-tooth drive, and 1.9N·m high torque, meeting original equipment manufacturer (OEM) specifications. The kit includes a starter motor and starter relay, designed to fit original factory mounting holes without additional modifications, meeting the high-frequency starting demands of off-road scenarios, ensuring durability and reliability.