Rex’s replacement CDi unit for the air-cooled Yamaha RD250 & RD400 1978/79 with factory CDi ignition.
Modern electronics that will refresh old, tired units that have degraded performance.
This version has a single male 6-way connector housing. Bolt on and plug in, no set up, factory timing.
Replacement for 2R8-85540-50. ND part number 070000-038.
Check carefully which connectors are on your machine.