CDI ignition box designed for Yamaha PW 50 / Y-Zinger 50 models (1981-2000) and PeeWee PW50 models (1990-2000). This plug-and-play unit offers a direct fit for easy installation and replicates the original timing curve for optimal performance. Built with high-quality electronic components, it exceeds OEM standards. Features: Direct replacement CDI ignition box and control unit assembly. Plug-and-play installation for quick and hassle-free setup. Original timing curve ensures optimal engine performance. Constructed with superior-grade electronic components for enhanced durability. Testing advice: Replace only after ruling out other potential issues and confirming faults with a known good unit. Non-returnable, no warranty, due to the nature of electrical components. Cross Reference OEM Part Number: 4X4-85590-M0-00 Part Number: 44-9871.DR