Magneto Stator for Yamaha YZF-R3 (2019-2021) & MT-03 (2020-2021)

Product Overview

Restore reliable charging and ignition performance for your Yamaha motorcycle. This high-performance magneto stator is a precision-engineered replacement for Yamaha YZF-R3, MT-03, YZF-R25, and MT-25 models.

Designed for Yamaha’s modern high-revving parallel-twin engines, it ensures stable voltage output for consistent ignition performance, strong battery charging, and smooth throttle response under all riding conditions.

Product Compatibility

Year Range	Make	Model	Engine / Platform	Notes
2019–2021	Yamaha	YZF-R3 (YZF320-A)	321cc Parallel Twin	Primary fitment
2020–2021	Yamaha	MT-03 (MTN320-A)	321cc Naked Bike	Cross-platform
2020	Yamaha	YZF-R25 (YZF250-A)	250cc Sportbike	Regional model
2020–2021	Yamaha	MT-25 (MTN250-A)	250cc Naked Bike	Regional model

Key Technical Specifications

Specification	Details
Outer Diameter	108mm (4.25")
Inner Diameter	38mm (1.5")
Configuration	18-Pole High-Output Design
Material	High-grade copper windings + reinforced lamination
Insulation	Heat-resistant & corrosion-proof coating
Installation	Direct plug-and-play replacement

Key Features

Stable Charging Output
Provides consistent electrical current for ignition system and battery charging across all RPM ranges.

Improved Ignition Performance
Delivers stronger spark energy for cleaner combustion and improved throttle response.

High-Temperature Resistance
Built to withstand heat buildup from sustained high-RPM sport riding.

Corrosion & Wear Protection
Anti-rust coating protects against moisture, vibration, and long-term environmental damage.

OEM-Precision Fit
Direct replacement with factory-style mounting points and connectors—no modification required.