HONDA CRANKSHAFT/PISTON CRANKSHAFT REMOVAL Remove the crankshaft. Remove the cam chain. CAM CHAIN (REAR CYLINDER) cos CAM CHAIN (FRONT CYLINDER) CRANKSHAFT INSPECTION Set the crankshaft on a stand or Vee blocks. Set a dial indicator on the center main bearing journal. Rotate the crankshaft two revolutions and read the runout. Actual runout is 1/2 of the total indicator reading. SERVICE LIMIT: 0.03 mm (0.001 in) PUNCH MARKS 13 kg (29 lb) CAM CHAIN LENGTH MEASUREMENT Place the cam chain on the camshaft sprockets with the punch marks positioned as indicated. Secure one camshaft sprocket and apply 13 kg (29 lbs) of tension to the other. Then measure the distance between the punch marks as shown. SERVICE LIMIT: 326.120 mm (12.84 in) NOTE: The punch marks should be parallel to each other. Replace the cam chain if it is longer than the service limit. 173 Date of Issue: May, 1982 © HONDA MOTOR CO., LTD. 1 2- 7