2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 181Get this manual
ENGINE TOP END 6-13 Camshaft Chain Tensioner
Camshaft Chain Tensioner Removal CA UTION
Tte [A]The push rod does not return to its original position once it moves out to take up camshaft chain slackObserve all the rules listed below: When removing the tensioner, do not take out the mounting bolts only halfwayRetightening the mounting bolts from this position could damage the tensioner and the camshaft chainOnce the bolts are loosened, the tensioner must be removed and reset as described in "Camshaft Chain Tensioner installation the the te is removedThis could upset the camshaft chain timing, and damage the valvesemRSeaot v(eee HullEngine Hood chapter) Cap Bolt [A] Washer [B] Spring [C] Rod [D] Remove the mounting bolts [E] and take off the camshaft chain tensioner