general information - Martin Nez

ENGINE 3-59CONROD BIG END SIDE CLEARANCE• Inspect the conrod side clearance by using a thicknessgauge.• If the clearance exceeds the limit, remove the conrod andinspect 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 09900-20803: Thickness gauge Conrod big end width:Standard: 19.95 – 20.00 mm 09900-20205: Micrometer (0 – 25 mm) Crank pin width:Standard: 20.10 – 20.15 mm 09900-20605: Dial calipers (1/100 mm, 10 – 34 mm)CONROD-BIG END BEARING INSPECTION• Inspect the bearing surfaces for any sign of fusion, pitting,burn, or flaws. If any, replace them with a specified set ofbearings.CONROD-BIG END BEARING SELECTION• Place the plastigauge axially along the crank pin, avoiding theoil hole, as shown. 09900-22301: Plastigauge• Tighten the conrod bearing cap bolts to the specified torque,in two stages. (3-70)* Apply engine oil to the bearing cap bolt.* Never rotate the crankshaft or conrod when a pieceof plastigauge is installed.*1: Face the intake side.*1