Ignition coil stator compatible with Yamaha Grizzly 700 YFM700 4x4 motorcycles, original part number 28P-81410-00 3B4-81410-00--DTEKGAZ

This product is a magneto-stator coil assembly manufactured to original specifications, specifically designed for the Yamaha YFM350ER quad (models 1987–1989). It exactly matches the original part number 1YW-85510-21-00 and faithfully replaces the electrical system of this model. This product restores the ignition and charging system of this late 1980s quad, bringing this classic back to life. 【Important Product Information】 Original Part Number: 1YW-85510-21-00 Compatible Model: Yamaha YFM350ER Compatible Years: 1987, 1988, 1989 Note: This product is specifically designed for these three model years. Compatibility with models from 1986 onward cannot be guaranteed. Please check your vehicle's year of manufacture. Function and Construction: This product is an integrated magneto-stator coil assembly, commonly used in early ATVs, and features an internal rotor. It typically includes the following functions: Ignition Coil (High-Voltage Coil): Directly generates the high voltage required to ignite the spark plugs. Charging/Lighting Coil: Powers headlights, etc. Features: Compact design, combining power generation and ignition – a typical design of early carbureted vehicles. Targeted Fault Symptoms: This product is designed to correct common faults due to aging or damage to this integrated coil: Engine fails to start (no response from the kickstarter, no spark). Starting difficulties, rough running, or frequent stalling. Faulty or unusually dim headlights. Even with the engine running, the electrical system may appear to be off.