This is a repair kit for your Suzuki Bandit 400 CDI/ECU box. 

You will get:

5 ultra high quality capacitors 

2 output stage transistors

Capacitors fail over time, resulting in weak spark, that will cause from rough running , difficulty in starting the engine or even not starting at all. 

Why spend on a new CDI when you can repair yours? 

This kit is for:

32900-10D10

32900-10D20

32900-10D30

32900-10D40 Japan import restricted model 

32900-10D50

32900-10D60

If you have a VC red top engine please look at the listing bellow 

https://www.ebay.co.uk/itm/284101655681

Images are for reference.