Feature:1. OE Number: The referencing OE number of this ignition coil is 30530 102 780, which is molded and designed depend on the original data.2. Fitment: The ignition coil with spark plug cap is a replacement for CM91 C90M 19661969, for CT90 Trail 19661979, please check the model and year before ordering.3. Parameter: The primary resistance is 1.8 ohms +/ 10%, and the plug cap is a 5 ohm resistor type, with 6V voltage, effective increase ignition energy for quick start up.4. Function: Improve engine operating efficiency and electrical performance, better recovery and response, directly replace old or damaged ignition coils.5. Easy Installation: Easy to install, no modification, cutting, or drilling required. It adopts original standard, which is a perfect replacement and can perfectly match.Specification:Item Type: Ignition CoilOE Number: 30530 102 780.Material: ABS, metalPrimary Resistance: 1.8 ohms +/- 10%Plug Cap: 5 ohm resistive typeVoltage: 6VFitment:Fits for CM91 C90M 1966-1969Fits for CT90 Trail 1966-1979Package List:1 xIgnition CoilNote:Please double check the part number of your item, matching information is for reference only.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!