The key has to be placed into the CCT to engage the screw slot inside the CCT. Once wound out, the key is pushed it 2 mm to engage with the X in the out face of the CCT unit to lock it in place (so it does not spin back).
Honda Automatic Cam Chain Tensioner Key CCT VFR800 VTEC CBR600RR CBR1000RR ECT
TUSK Automatic Cam Chain Tensioner Kit Black Anodized for Polaris RZR XP 4 1000 2014-2016
GENUINE OEM HONDA TIMING CAM CHAIN TENSIONER LIFTER FITS CBR900RR CBR1100XX
Honda CBR125R Cam Chain & Lifter Set 2004 2005 2006 2007 2008 2009 2010
HONDA CBR125R Cam Chain & Lifter Set 2004 2005 2006 2007 2008 2009 2010 UK STOCK
GENUINE Honda CBR125R Cam Chain + Lifter Set 2012 2013 2014 2015 2016 2017 2018