Magneto Stator for Yamaha Moto-4 225 (1986-1988) & 250 (1989-1991) | 59V-85510-20

Heavy-Duty Magneto Stator for Yamaha Moto-4 225 & 250

Restore your vintage Yamaha’s electrical reliability. This premium aftermarket Magneto Stator is a precision-engineered replacement for the Yamaha Moto-4 series. Designed for the 1986–1991 production years, it provides the stable electrical output required for reliable starting, strong ignition, and consistent battery charging on the trail or the farm.

Manufactured with high-temperature resistant copper wire and premium insulating materials, this stator is built to survive the intense heat and vibration of Yamaha’s air-cooled engines. Its direct plug-and-play design matches the factory 93mm specifications exactly, ensuring a straightforward installation that gets your ATV back to work without complex modifications.

Product Compatibility

• Yamaha Moto-4 225 (YFM225): 1986, 1987, 1988
• Yamaha Moto-4 250 (YFM250): 1989, 1990, 1991
• OEM Cross-Reference: 59V-85510-20, 59V-85510-20-00

Key Technical Specifications:

• Outer Diameter: 93mm (3.66")
• Inner Diameter: 35mm (1.37")
• Thickness: 15mm (0.59")
• Material: High-purity copper windings with premium grade insulation
• Design: Direct-fit factory-style connectors

Why Choose This Stator?

• Stable Power Output: Delivers a consistent current flow, ensuring your ignition system stays strong and your battery remains charged during long rides.
• Long-Lasting Durability: The high-grade copper and insulation are specifically chosen to prevent internal short-circuiting, a common failure point in original stators of this age.
• Easy Installation: Engineered as a direct replacement