CYLINDER HEAD/VALVE Place the camshafts through the cam chain and into their correct positions as noted by the sprocket flange directions during disassembly. The marks on the camshafts mean: EX: R (E R) — — Rear cylinder exhaust IN: R (IR) -- Rear cylinder intake EX: F (EH — — Front cylinder exhaust IN: F (IF) -- Front cylinder intake If the front cylinder camshaft sprockets were not indexed during removal, follow the procedure below: Index the front cylinder camshaft sprockets, six teeth from the original punch marks as shown on the template. Use a water proof marker. Clean the sprockets with contact cleaner and wipe dry. On a piece of paper, draw two lines one vertical, one horizontal (perpendicular to each other, 90°). Use a protector and draw two diagonal lines at a 450 angle. Center the sprocket on the lines with the original punch marks aligned on the hoirzontal line. Make new index marks on the sprocket where the 450 diagonal lines cross the sprocket. NOTE: It is not necessary to make new index marks for the rear cylinder's camshafts sprockets. Align the cutouts in the camshaft sprockets with the camshaft lobes and place the sprockets over the camshafts. Install the camshaft holders but do not torque the bolts yet. INDEX MARK INDEX MARK ORIGINAL PUNCH MARKS CAMSHAFT HOLDERS CAMSHAFT HOLDERS Date of Issue: October, 1982 C.) HONDA MOTOR CO., LTD. 153 10-19