GOOFIT
Starter Motor for Honda CRF150F, CG125, CG150, NXR150 | OEM 31200-KRM-851
Starter Motor for Honda CRF150F, CG125, CG150, NXR150 | OEM 31200-KRM-851
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GOOFIT High-Performance Starter Motor – Honda CRF & CG Series
Reliability you can trust, even in the deepest mud. The GOOFIT 12V Starter Motor is a premium-grade aftermarket replacement for Honda's legendary mid-displacement 4-stroke engines. Designed to meet or exceed OEM 31200-KRM-851 specifications, this motor ensures your CRF150F or CG150 fires up instantly, whether you're at the race gate or in the middle of a job.
Crafted with high-quality internal windings and a ruggedized housing, this starter offers excellent corrosion and wear resistance. It is specifically designed to handle the high-vibration environment of off-road riding, significantly reducing the risk of failure and ensuring a long-lasting service life.
Product Compatibility
This motor is a direct bolt-on replacement for the following Honda models:
- Off-Road/Trail: Honda CRF150F (2006–2017).
- Utility/Street: Honda CG125 (2009–2013) and Honda CG150 (2004–2009).
- Dual-Sport: Honda NXR150 (2006–2010).
- OEM Part Number: 31200-KRM-851.
Key Technical Specifications:
- Voltage: 12V DC.
- Rotation: CCW (Counter-Clockwise).
- Drive Gear: 9-Tooth Spline.
- Construction: High-conductivity copper armature and heavy-duty brush system.
Why Choose the GOOFIT Honda Utility Starter?
- Instant Cranking Torque: Engineered to provide a high conversion rate of electrical energy, ensuring the motor turns the engine over fast enough for a crisp start even in cold weather.
- Off-Road Ruggedness: The sealed housing is designed to keep out dust, water, and trail debris, making it the perfect choice for the CRF150F and bikes used in agricultural or harsh environments.
- Reduced Failure Rate: Improved thermal management prevents the internal components from overheating during repeated starting attempts, extending the life of the motor beyond standard aftermarket units.
- Direct OEM Fit: Features the exact mounting footprint and 9-tooth spline interface as the factory Honda unit, allowing for a fast and hassle-free DIY installation.
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Fitment FAQ
Will this part fit my specific model and year?
This starter motor is intended for This motor is a direct bolt-on replacement for the following Honda models; Off-Road/Trail: Honda CRF150F (2006–2017).; Utility/Street: Honda CG125 (2009–2013) and Honda CG150 (2004–2009).; Dual-Sport: Honda NXR150 (2006–2010).; OEM Part Number: 31200-KRM-851.. It is best matched to original part number(s) 31200-KRM-851. Key physical/spec details from the product data include Voltage: 12V DC., Rotation: CCW (Counter-Clockwise)., Drive Gear: 9-Tooth Spline.. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. Match your original part number to 31200-KRM-851 before purchase. For this starter motor, also compare the OEM number, voltage, tooth count, rotation direction, mounting ears, bolt spacing, terminal type, and overall length. This is especially important for Honda CRF150F/CG125/CG150/NXR150 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 starter motor for machines outside the listed compatibility, or for units with different tooth counts, CW/CCW rotation, mounting ears, terminal locations, or voltage ratings. If your original part number does not cross-reference with 31200-KRM-851, treat the fitment as unconfirmed. Model years outside 2006–2017, 2009–2013, 2004–2009, 2006–2010, 2006 should be verified separately. 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, voltage, tooth count, rotation direction, mounting ears, bolt spacing, terminal type, and overall length. Confirm OEM/cross-reference number(s): 31200-KRM-851. Recheck listed specs such as Voltage: 12V DC., Rotation: CCW (Counter-Clockwise)., Drive Gear: 9-Tooth Spline.. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.
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