Starter Motor Assembly for 31200-HN1-000 Honda Sportrax 400 TRX400EX 1999-2004

Starter Motor Assembly for Honda Sportrax 400 TRX400EX

This starter motor assembly is a direct-fit replacement starter for the Honda Sportrax 400 TRX400EX, cross-referencing OEM part number 31200-HN1-000 to get your ATV cranking reliably again.

Overview

This starter motor assembly is built to replace the original starter on the Honda Sportrax 400 TRX400EX, spinning the engine over with the torque needed for consistent cold and hot starts. It cross-references OEM part number 31200-HN1-000, making it a straightforward swap for a worn or failed unit. Ideal for riders and mechanics servicing 1999 through 2004 TRX400EX models.

Built For Performance

• Direct cross-reference to OEM part number 31200-HN1-000 for straightforward replacement
• Sealed motor housing resists mud, dust, and water intrusion on trail rides
• High-torque armature delivers reliable cranking for the 400cc single-cylinder engine
• Precision-mounted drive gear meshes cleanly with the starter clutch
• Durable brushes and windings built for repeated start cycles
• Bolt-on mounting configuration matching the original fitment points

Fits These Machines

• for Honda Sportrax 400 TRX400EX 1999
• for Honda Sportrax 400 TRX400EX 2000
• for Honda Sportrax 400 TRX400EX 2001
• for Honda Sportrax 400 TRX400EX 2002
• for Honda Sportrax 400 TRX400EX 2003
• for Honda Sportrax 400 TRX400EX 2004

On-The-Job Use

• Replacing a failed or sluggish starter on a trail-ridden TRX400EX
• Restoring reliable cold starts after a starter motor burn-out
• Routine maintenance on 1999-2004 Sportrax 400 quads
• Shop repairs where a direct OEM cross-reference swap is needed

Specs At A Glance

Good To Know

Q: Will this starter bolt directly onto my TRX400EX? A: Yes, it is designed as a direct replacement cross-referencing OEM part number 31200-HN1-000 for 1999-2004 Sportrax 400 models. Always confirm your machine's part number before ordering.

Q: Does this include the mounting bolts and gasket? A: This listing covers the starter motor assembly as shown. Reuse your existing mounting hardware unless otherwise noted in the listing photos.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.