HONDA. CRANKSHAFT/PISTON Measure the piston O.D. NOTE: Inspect the cylinder bores for wear or damage. Measure the cylinder I,D. at three levels in X and Y axis. SERVICE LIMIT: 70.10 mm (2.76 in) Calculate the piston-to-cylinder clearance. SERVICE LIMIT: 0,10 mm (0.004 in) Oversize pistons are available in the following sizes: 0.25, 0.50, 035 and 1.00 mm. 171 Using a piston, push the ring into the cylinder squarely and measure the end gap. SERVICE LIMITS: TOP: 0.5 mm (0.02 in) SECOND: 0.5 mm (0.02 in) OIL (Side rail): 1.1 mm (0.04 in) Take measurements 10 mm (0.4 in) from the bottom, and 900 to the piston pin hole. SERVICE LIMIT: 69.85 mm (2.750 in) Date of Issue: May, 1982 © HONDA MOTOR CO., LTD. 12-5