CDI - 6 Pin - DC - Dual Plug - Apollo Thunder 250 w/ DC Electrical 116333 The rear sprocket and rear

The rear sprocket and rear rotor mount to this hub

OD of drum:  9

No modifications necessary

Two mounting tabs on top 8

AY50 Katana

CDI - 6 Pin - DC - Dual Plug - Apollo Thunder 250 w/ DC Electrical 116333 The rear sprocket and rear6 Pin DC CDI Version 12 This 6 pin dual plug DC CDI fits the Apollo Thunder 250 dirt bike. The Thunder 250 was produced with both AC and DC electrical systems. Before purchasing, please verify that your bike has an DC electrical system. To do that, disconnect the battery and try to start the bike with the kick starter. If the dirt bike starts, it is AC. If it does not, it's DC. CDI description: 6 pin (4 spade male + 2 spade male) please note the