Will this stator fit my 2001 Honda CR250R?

Yes, this stator is designed to fit Honda CR250R and CR125R models from 2000-2001. However, to ensure a perfect fit, please verify the OEM number (31100-KZ3-J21 / 31100-KZ4-J31), connector style, and stator dimensions match your original part before ordering.

What problems does this stator solve?

This stator helps solve common electrical issues like weak or no spark, hard starting, intermittent ignition failures, unstable electrical output, and poor engine performance. If your bike is experiencing these problems, this stator could be the solution.

Is this a direct replacement, and how easy is it to install?

Yes, this is an OEM-style replacement designed for a direct fit on the specified Honda CR250R and CR125R models. Installation typically involves removing the old stator and installing this new one, but always verify your skills or consider professional installation.

What's the warranty on this stator?

This product comes with a 90-day warranty.

What is the quality of this stator and how long will it last?

This stator is constructed with high-quality materials designed for vibration resistance, heat resistance, and corrosion resistance, ensuring long service life under off-road riding conditions. It is built to maintain stable insulation performance.

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Honda CR250R CR125R Magneto Stator 2000–2001 | 31100-KZ3-J21

$39.99

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Product Overview

Restore reliable ignition and electrical performance with this motorcycle generator magneto stator coil, designed for selected Honda CR250R and CR125R motocross applications from 2000 to 2001.

Built to replace 31100-KZ3-J21 / 31100-KZ4-J31 / 31100-KZ4-A91, this stator helps solve common electrical issues such as weak or no spark, hard starting, intermittent ignition failure, unstable output, and poor engine performance.

Made with high-quality materials, this stator is designed for high-temperature resistance, vibration resistance, corrosion resistance, stable insulation performance, and long service life under off-road riding conditions.

Product Compatibility

Brand	Model	Engine / HP / CC	Year Range	Notes
Honda	CR250R	250cc	2000–2001	Verify OEM number, connector style, and stator dimensions before purchase
Honda	CR125R	125cc	2000–2001	Verify OEM number, connector style, and stator dimensions before purchase

OEM Cross Reference:
31100-KZ3-J21, 31100-KZ4-J31, 31100-KZ4-A91

Related references sometimes seen:
31100-KZ3-J31, 31100-KZ3-J30, 31100-KZ4-J30, 31100-KZ4-A90

Specifications

Specification	Details
Part Type	Generator Magneto Stator Coil
Outer Diameter	61 mm / 2.4"
Inner Diameter	27 mm / 1.06"
Iron Core Height	13 mm / 0.51"
OEM Replacement	31100-KZ3-J21 / 31100-KZ4-J31
Material	High-quality replacement-grade stator construction
Function	Ignition and electrical output support
Installation	Direct replacement on correctly matched applications
Fitment Method	Match by OEM number, connector style, stator size, and original part layout
Condition	100% New Aftermarket

Key Features

OEM-Style Replacement – Designed to replace Honda stator numbers 31100-KZ3-J21 / 31100-KZ4-J31
Stable Ignition Support – Helps provide reliable spark output and smoother starting
Durable Off-Road Construction – Built for vibration resistance, heat resistance, and corrosion resistance
Compact Stator Design – Matches the small CR-series stator layout when dimensions and connector style match
Long Service Life – Designed to maintain stable insulation performance under demanding riding conditions

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Honda CR250R CR125R Magneto Stator 2000–2001 | 31100-KZ3-J21