CDI ignition box designed for Yamaha PW50 models (2001-2015). This plug-and-play unit offers a direct fit, replicating the original timing curve for precise performance. Manufactured with premium-grade electronic components, it exceeds OEM quality standards. Features: Direct replacement CDI ignition box and control unit assembly. Easy plug-and-play installation. Maintains the original timing curve for reliable performance. Constructed with high-quality electronic components for superior durability. Exceeds OEM quality requirements. Important Note: Testing advice: Confirm faults by swapping with a known good unit from the same year, make, and model. Ensure all other potential issues are ruled out before replacing the CDI box. Non-returnable due to the nature of electrical parts. Cross Reference OEM Part Number: 3PT-85590-00-00 Part Number: 44-9872.DR