High-voltage ignition coils, compatible with Yamaha cruiser motorcycles XVS650 and V-Star 650. Also compatible with the XVS650, XVS650A and DragStar 650 models.--DTEKGAZ

This product is an OEM-quality magneto-stator coil assembly, specifically designed for the high-performance Yamaha YFZ450 series sport ATVs (including models W/X/Y). It is an exact match for OEM part number 5TG-81410-00-00 and is fully compatible with all models from 2004 to 2009. Integrating the generator coil and ignition coil, this assembly is the essential component for a stable power supply and precise ignition timing adjustment of this high-revving racing engine. It is specifically engineered to withstand the extreme conditions of off-road and track use. 【Important Product Information】 Original Part Number: 5TG-81410-00-00 Compatible Models and Years: Model: Yamaha YFZ450 (including sub-models W, X, and Y) Years: 2004, 2005, 2006, 2007, 2008, 2009 Note: YFZ450 models from 2010 onward (ER version) may not be compatible. Please check your vehicle's year of manufacture before purchasing. Function: This product is an integrated unit with two main functions: Generator Coil (Stator): Generates three-phase current to power all of the vehicle's electrical systems and charge the battery. Ignition Pulse Coil (Trigger): Detects the crankshaft position and delivers a precise ignition signal to the CDI unit, which directly controls the ignition of the spark plugs. Targeted Fault Symptoms: This product helps resolve faults caused by a malfunction of this integrated ignition coil. Possible symptoms: Electrical problems: The battery does not charge, leading to a complete power failure while driving. Ignition problems: The engine does not start, stalls intermittently, idles extremely roughly, misfires at high RPMs, or receives no ignition signal at all. Performance problems: Poor acceleration, delayed response, giving the impression of a serious ignition timing problem.