1.Use Openiv and go to update\update.rpf\common\data\dlclist.xml and add this line below to the dlclist.xml

<Item>dlcpacks:\izhup\</Item>

2.Extract "izhup" from "dlcpacks",in update\x64\dlcpacks

You can spawn a car using trainer function "spawn by model name"

IZH Jupiter 5 - izhup

These bike were made by daemon1988 
This add-on was made by UrbVan