• Starter Solenoid Relay for Honda TRX300EX, TRX400EX, TRX350 Fourtrax, ATC250SX - goofitmoto
  • Starter Solenoid Relay for Honda TRX300EX, TRX400EX, TRX350 Fourtrax, ATC250SX - goofitmoto
  • Starter Solenoid Relay for Honda TRX300EX, TRX400EX, TRX350 Fourtrax, ATC250SX - goofitmoto
  • Starter Solenoid Relay for Honda TRX300EX, TRX400EX, TRX350 Fourtrax, ATC250SX - goofitmoto
  • Starter Solenoid Relay for Honda TRX300EX, TRX400EX, TRX350 Fourtrax, ATC250SX - goofitmoto
1 5

GOOFIT

Starter Solenoid Relay for Honda TRX300EX, TRX400EX, TRX350 Fourtrax, ATC250SX

Starter Solenoid Relay for Honda TRX300EX, TRX400EX, TRX350 Fourtrax, ATC250SX

$10.99
$10.99
Sale Sold out
Shipping calculated at checkout.

GOOFIT Heavy-Duty "Capless" Starter Solenoid – High-Performance Copper Core

Engineered for heavy-duty cranking and all-weather reliability. The GOOFIT Capless Starter Solenoid is a high-performance replacement relay designed for motorcycles, ATVs, and snowmobiles. Featuring a two-wire connection and a streamlined capless design, this solenoid is a direct fit for several of the most legendary Honda off-road machines ever made.

Constructed from premium copper, this relay is naturally resistant to rust and corrosion, making it the ideal choice for vehicles used in snow, mud, or coastal environments. Its high-cranking design reduces the electrical load on your handlebar starter switch, protecting your wiring harness while ensuring your engine fires up instantly.

Product Compatibility

  • Honda ATV Models: TRX200SX, TRX250X, TRX300EX, TRX350 Fourtrax, and TRX400EX.
  • Honda ATC/Three-Wheeler Models: ATC125M and ATC250SX.
  • Other Models: Honda CH125 Elite Scooter and FL400R Pilot.
  • Versatility: Compatible with various motorcycles, scooters, and snowmobiles utilizing a standard two-wire solenoid setup.

Key Technical Specifications:

  • Design: Capless body for direct terminal access.
  • Connection: Two-wire lead with standardized connectors.
  • Internal Material: High-conductivity Copper (Rust-Resistant).
  • Performance: High-cranking power with low-current switch protection.

Why Choose the GOOFIT Copper-Core Solenoid?

  • Superior Ignition Reliability: The pure copper internals provide maximum conductivity, allowing for higher cranking power even when your battery isn't at 100%.
  • Rust & Corrosion Prevention: Unlike cheaper alloy relays, our copper construction prevents the oxidation that leads to "sticky" relays and starting failures in wet or snowy conditions.
  • Switch Protection: By managing the high-amperage draw of the starter motor, this solenoid reduces the electric current passing through your ignition switch, preventing burnt contacts and extending the life of your controls.
  • Direct OEM Fitment: Designed to match the mounting and wiring specs of classic Honda TRX and ATC series, making it a "no-hassle" installation for restoration projects.
View full details

Fitment FAQ

Will this part fit my specific model and year?

This replacement part is intended for Honda ATV Models: TRX200SX, TRX250X, TRX300EX, TRX350 Fourtrax, and TRX400EX.; Honda ATC/Three-Wheeler Models: ATC125M and ATC250SX.; Other Models: Honda CH125 Elite Scooter and FL400R Pilot.; Versatility: Compatible with various motorcycles, scooters, and snowmobiles utilizing a standard two-wire solenoid setup.. Use the compatibility table and product photos together before ordering.

Do I need to match the OEM part number?

Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. For this replacement part, also compare the OEM number, dimensions, connector or mounting style, engine/model year, and product photos. This is especially important for Honda TRX350/TRX250X/ATC125M/CH125 models because similar model names can use different parts by year or trim.

What models or situations does this part not fit?

Do not order this replacement part for machines outside the listed compatibility, or for units with different OEM numbers, dimensions, mounting points, connectors, or year-specific configurations. Do not rely only on the model name or engine size.

What should I check before ordering?

Before ordering, compare your original part with the photos and check the OEM number, dimensions, connector or mounting style, engine/model year, and product photos. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.