Instructions for Hornby Ringfield Motor Upgrade Kits (HA5 Only) Version 1.1 Download 886 File Size 4.39 MB File Count 1 Create Date 22 July 2020 Last Updated 4 August 2021 Download Description Step-by-step instructions for our Hornby HA5 ringfield motor upgrade kits. Last revised: 4 August 2021 Share this:TweetRedditEmailMoreWhatsAppPrint Related