InstallatioN:

1.This Mod will be Installed by ADDON Method.

2.Run OPEN IV and Turn on 'EDIT MODE'

3.Drag the Folder "CG125" and drop it at
                                      Grand Theft Auto V\mods\Update\x64\dlcpacks

4.At:
   Grand Theft Auto V\mods\Update\update.rpf\common\data\dlclist.xml..Right Click on dlclist.xml & Click on Edit..

5.Then Add the Following Line: 
                                                   <Item>dlcpacks:/CG125/</Item> 

6.In the Game, Use AddonSpawner or A Trainer{Menyoo Trainer(Recommended)} and Spawn Bike by Entering the name "cg125"

ALL DONE :) 

7.Now Enjoy the MOD :)