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9-30 CRANKSHAFT/CRANKCASE Pistons and Crankcase Crankcase Wear Cylinder Bore • Take a side-to-side and a front-to-back measurement at 10 mm (0.39 in.) [A] Cylinder Inside Diameter Standard: 72.00 ∼ 72.03 mm (2.8346 ∼ 2.8358 in.) Service Limit: 72.105 mm (2.8388 in.) or more than 0.035 mm (0.0014 in.) difference Valve Lifter Bore Valve Lifter Bore Inside Diameter Standard: 18.018 mm (0.7094 in.) Service Limit: 18.05 mm (0.7106 in.) Camshaft Bearing Camshaft Bearing Inside Diameter Service Limit: 36.06 mm (1.4197 in.) If the diameter exceeds the service limit, replace the Piston Diameter • Measure the piston diameter [A] at the point shown with Piston Diameter Standard: 71.93 ∼ 71.96 mm (2.8319 ∼ 2.8331 in.) NOTE ○ If the cylinder has been bored oversize, use the over- |