# Short answer
At this time it's not possible to move Youtube product data but it's possible to have several managers for Youtube channels linked to Google+ pages.

# Add or remove managers of a channel
From [2] (go to the reference to have access to the the linked pages at the source)

> If a channel is linked to a Google+ page, then multiple people can
> manage the channel without sharing passwords. For someone to manage
> the YouTube channel, they must be listed as a manager of the linked
> page.  
> 
>  1. Only the owner of the Google+ page can add or remove managers. Sign into the page owner Google Account.  
>  1. On YouTube, make sure you pick the right channel. Then go to the channel's account settings and click Add or remove managers.  
>  1. To add a manager, enter the email address of whoever you want to be a manager. Click Invite. Once they accept the invitation, they’ll
> then be able to access that channel from their own Google Account.   
>  1. To remove a manager, find the manager you want to remove, and click the X by their name. They will no longer be able to access the
> channel from their Google Account.  
> 
> Learn more about adding managers and removing managers on a Google+
> page.

# References
 - [1] [Moving product data - Accounts Help](https://support.google.com/accounts/answer/58582)
 - [2] [Add or remove managers of a channel - Youtube Help](https://support.google.com/youtube/answer/4628007?hl=en)