3-66 ENGINE CONROD BIG END SIDE CLEARANCE • Inspect the conrod side clearance by using a thickness gauge. • If the clearance exceeds the limit, remove the conrod and inspect the conrod big end width and the crank pin width. • If the width exceed the limit, replace conrod or crankshaft. Conrod big end side clearance: Service Limit: 0.30 mm (0.012 in) 09900-20803: Thickness gauge Conrod big end width: Standard: 19.95 – 20.00 mm (0.7854 – 0.7874 in) 09900-20205: Micrometer (0 – 25 mm) Crank pin width: Standard: 20.10 – 20.15 mm (0.7913 – 0.7933 in) 09900-20605: Dial calipers (1/100 mm, 10 – 34 mm) CONROD-BIG END BEARING INSPECTION E • Inspect the bearing surfaces for any sign of fusion, pitting, burn, or flaws. If any, replace them with a specified set of L bearings. P M A S CONROD-BIG END BEARING SELECTION • Place the plastigauge axially along the crank pin, avoiding the oil hole, as shown. 09900-22301: Plastigauge • Tighten the conrod cap bolts to the specified torque, in two stages. (3-77)  * Apply engine oil to the bearing cap bolt. * Never rotate the crankshaft or conrod when a piece of plastigauge is installed.