Timing Chain TENSIONER Adjustment
NOTE:
Some models are not equipped with an adjustable chain tensioner.
Turn crankshaft pulley clockwise slightly to stretch chain slightly. Loosen chain tensioner lock nut and tighten adjusting screw then back screw off two turns and tighten lock nut. Run engine for a short time. If chain is excessively noisy, back off adjusting screw 1/2 turn more.