This Kit is a high quality, brand new ignition stator, flywheel, ignition Coil and CDI Unit replacement for the YZ250( years 1976-2002) . This unit is highly cost effective and saves time and energy with its' easy fit design. The cable harness comes chemical and high temperature resistant. Please measure your stator base plate to make sure its Outer Diameter is 110 mm. This ignition stator is extremely reliable made of a precision die cast mold.