Starter Relay Solenoid for Honda Fourtrax 300 400 TRX300EX TRX400EX ATV

Product Overview

This aftermarket replacement starter relay solenoid is intended for the listed Honda Fourtrax 300 and 400, TRX300EX, and TRX400EX ATV applications. A starter relay solenoid is an electrical component that directs battery current to the starter motor when the ignition circuit is engaged so the engine can crank. It is supplied for comparison with the part numbers or reference numbers shown in the title.

Key Features & Performance

• Serves as the relay that switches current from the battery to the starter motor during engine cranking
• Fits the role of the relay in the ATV starting circuit, allowing the starter to receive the current it needs to turn the engine
• Supplied for the Honda Fourtrax 300/400, TRX300EX, and TRX400EX applications listed in the title
• Typically replaced when the original relay no longer engages or no longer passes current to the starter
• Suitable for use when servicing or restoring operation of the ATV starting system

Fitment & Compatibility

• for Honda Fourtrax 300 applications
• for Honda Fourtrax 400 applications
• for Honda TRX300EX applications
• for Honda TRX400EX applications

Common Uses

• Replacing a relay that no longer engages or no longer supplies current to the starter
• Servicing the starting circuit during routine ATV maintenance
• Restoring normal starting function after the original relay has failed

Technical Specifications

• Product Type: Starter relay solenoid
• Model Application(s): Honda Fourtrax 300, Fourtrax 400, TRX300EX, TRX400EX
• General Application: ATV starting circuit

Frequently Asked Questions

Q: What does a starter relay solenoid do? A: It acts as the electrical switch that closes the high-current circuit between the battery and the starter motor when the start button or switch is pressed, allowing the starter to crank the engine.

Q: How should fitment be verified? A: Confirm that the part number on the existing relay matches the number supplied with this listing, and verify that the machine model, including the full designation such as TRX300EX or TRX400EX, matches the applications shown.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.