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1990–1995 Yamaha YFM350 Warrior Moto-4 Big Bear 16-Coil 7-Wire Stator 3HN-85510-00
1990–1995 Yamaha YFM350 Warrior Moto-4 Big Bear 16-Coil 7-Wire Stator 3HN-85510-00
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Product Overview
Replace a weak, burned, or failed stator with this 16-coil 7-wire magneto stator, designed for select Yamaha YFM350 ATV models including Warrior 350, Moto-4 350, and Big Bear 350 applications using OEM reference number 3HN-85510-00.
The stator is an important part of the ATV charging and ignition system. It helps generate electrical power while the engine is running, supporting the battery, ignition system, lights, and other electrical components. If your Yamaha YFM350 has weak charging, low battery voltage, no spark, hard starting, dim lights, or stator-related electrical failure, replacing the stator may help restore normal performance.
Built with high-quality copper wire and insulation, this replacement stator is designed for stable electrical output, heat resistance, and reliable off-road use. Please compare your original stator’s OEM number, wire count, plug layout, inner diameter, outer diameter, and overall shape before ordering.
Product Compatibility
| Make | Model | Year Range | OEM Reference | Fitment Notes |
|---|---|---|---|---|
| Yamaha | YFM350X Warrior 350 | 1990–1995 | 3HN-85510-00 / 3HN-85510-00-00 | Main fitment; confirm original stator and connector layout |
| Yamaha | YFM350ER Moto-4 350 | 1990–1994 | 3HN-85510-00 / 3HN-85510-00-00 | Fits matching 16-coil 7-wire stator version only |
| Yamaha | YFM350FW Big Bear 350 4WD | 1990–1994 | 3HN-85510-00 / 3HN-85510-00-00 | Compare OEM number, wire count, and dimensions |
| Yamaha | YFM350 Warrior / Moto-4 / Big Bear | Select 1990–1995 models | 3HN-85510-00 / related references | Fitment must be confirmed by original part |
Important Fitment Note:
This part is not selected by YFM350 engine size alone. Yamaha YFM350 models from different year ranges may use different stator designs. Earlier 1987–1989 models and later 1996+ models may use different OEM numbers, wire counts, connectors, and dimensions. Please confirm your original stator matches OEM 3HN-85510-00, the 16-coil / 7-wire layout, 115mm outer diameter, 54mm inner diameter, and original plug style before ordering.
Specifications
| Specification | Details |
| Product Type | Magneto Stator / Generator Coil |
| Coil Count | 16 Coils |
| Wire Count | 7 Wires |
| Outer Diameter | 115mm / 4.53" |
| Inner Diameter | 54mm / 2.13" |
| Iron Core Height | 16mm / 0.63" |
| OEM Reference | 3HN-85510-00 / 3HN-85510-00-00 |
| Possible Cross References | 1UY-85510-20-00 / 2XK-85510-20-00 |
| Material | Copper Wire + Insulated Stator Core |
| Application | ATV Charging / Ignition System |
| Compatible Brand | Yamaha |
Key Features
- Designed for select 1990–1995 Yamaha YFM350 ATV applications
- Fits Warrior 350, Moto-4 350, and Big Bear 350 4WD models within the listed year ranges
- Replaces common OEM reference 3HN-85510-00 / 3HN-85510-00-00
- 16-coil 7-wire stator helps support charging and ignition system output
- Helps address weak charging, no spark, hard starting, dim lights, and stator failure
- Built with copper windings and insulation for stable electrical output
- Designed to withstand off-road vibration and high-temperature operation
OEM Cross Reference
| OEM / Reference Number | Notes |
| 3HN-85510-00 | Main OEM reference for compatible 1990–1995 Yamaha YFM350 stator applications |
| 3HN-85510-00-00 | Full Yamaha-style reference format |
| 1UY-85510-20-00 | Possible cross-reference on some aftermarket listings |
| 2XK-85510-20-00 | Possible cross-reference on some aftermarket listings |
Please use the OEM number together with physical dimensions, wire count, and connector layout for fitment confirmation. If your original stator has a different wire count, outer diameter, inner diameter, plug style, or mounting layout, this part may not fit.
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Fitment FAQ
Will this part fit my specific model and year?
This stator is designed for select Yamaha YFM350X Warrior 350 models from 1990–1995, YFM350ER Moto-4 350 models from 1990–1994, and YFM350FW Big Bear 350 4WD models from 1990–1994. Please compare your original stator’s OEM number, wire count, connector layout, inner diameter, outer diameter, iron core height, and overall shape before ordering.
Do I need to match the OEM part number?
Yes, matching the OEM part number is strongly recommended. This stator commonly replaces 3HN-85510-00 and 3HN-85510-00-00. Some aftermarket listings may also reference 1UY-85510-20-00 or 2XK-85510-20-00, but OEM number alone is not enough. Please also confirm the 16-coil 7-wire layout, plug style, 115mm outer diameter, 54mm inner diameter, and original stator shape.
What models or situations does this part not fit?
This part does not fit Yamaha YFM350 models that use a different stator diameter, different wire count, different connector layout, different OEM number, or different charging system design. It should not be used as a replacement for 1987–1989 YFM350 stators or later 1996+ YFM350 stators unless the original part matches exactly. It is also not a replacement for the regulator rectifier, CDI, ignition coil, starter motor, flywheel, or complete wiring harness.
What should I check before ordering?
Before ordering, please check your ATV’s make, model, year, OEM part number, original stator coil count, wire count, connector shape, outer diameter, inner diameter, iron core height, and overall shape. For best fitment, compare the product photos and specifications with your original stator before purchase.