Plug-and-play, aftermarket replacement CDI box for Yamaha outboard motors from RM Stator. Refer to fitment guide for models. Dimensions: Height: 40 mm Length: 54 mm Width: 35 mm Other specifications: Number of plugs: 7 Number of pins: 7 Fixation holes centre to centre: 75 mm Please note that: The only real way to test your CDI box is to swap it out with another known good unit from the same year/make/model. Because of this, we recommend that you rule everything else out before replacing the CDI box. Details: RM Stator's PeakRPM technology provides a more aggressive timing curve for increased throttle response Ride at full throttle with their application-specific CDI box that raises the rev limiter by 1000 RPM Enjoy fast and easy installation with their plug and play design and included dielectric connector grease OEM-grade electronic components and printed circuit boards for long-term reliability and performance 90% of ignition issues are caused by a faulty stator. Fully test ignition components before buying