ENGINE 3-65 INSTALLATION • When fitting the balancer shaft journal bearings to the upper and middle crankcases, be sure to fix the stopper part A first and press the other end.  Do not touch the bearing surfaces with your hands. Grasp by the edge of the bearing shell. CRANKSHAFT AND CONROD CRANKSHAFT RUNOUT • Support the crankshaft with V-blocks as shown, with the two end journals resting on the blocks. • Set up the dial gauge, as shown. • Rotate the crankshaft slowly to read the runout. • Replace the crankshaft if the runout is greater than the limit. Crankshaft runout: Service Limit: 0.05 mm (0.002 in) 09900-20607: Dial gauge (1/100 mm, 10 mm) E 09900-20701: Magnetic stand L 09900-21304: V-block set (100 mm) P CONROD SMALL END I.D. • Using a small bore gauge, measure the inside diameter of the M conrod small end. A Conrod small end I.D.: Service Limit: 15.040 mm (0.5921 in) S 09900-20602: Dial gauge (1/1000 mm, 1 mm) 09900-22401: Small bore gauge (10 – 18 mm) • If the inside diameter of the conrod small end exceeds the limit, replace the conrod.