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ENGINE MECHANICAL 6A – 9 1. Valve Guide Clearance • Measure the valve stem diameter with a • Measure the inside diameter of the valve guide with • Subtract the measured outer diameter of the valve stem from the measured inner diameter of the Diameter of Inlet mm(in) 7.880 Standard Limit Exhaust 7.946 – 7.961 7.850 7.921 – 7.936 Inlet clearance mm(in) 0.200 Standard Limit Exhaust clearance 0.039 – 0.071 0.250 0.064 – 0.096 |