2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 138Get this manual
1D-27 Power Unit Mechanical: 7) Apply engine oil lightly to housing bolts8) Lightly seat all housing boltsAccording to numerical order in figure, tighten bolts to 13 of specified torque, then 23 of specified torque and finally to full specified torqueTightening torque Camshaft housing bolt (a): 11 Nm (1.1 kgf-m, 8.0 lbf-ft) (a)
Camshaft, Tappet and Shim Inspection
Z9J0111406014
If any component is worn excessively, cracked, defective or damaged in any way, it must be replacedCam Face Inspect cam face for scratches and wearIf any of the above conditions are found, replace camshaftCam Wear Using micrometer, measure cam heightIf measurement exceeds service limit, replace camshaftCam height "a" (for DF70A) Standard 38.620 38.780 mm IN (1.5205 1.5268 in) 40.920 41.080 mm EX (1.6110 1.6173 in) Cam height "a" (for DF80A) Standard 39.620 39.780 mm IN (1.5598 1.5661 in) 40.920 41.080 mm EX (1.6110 1.6173 in) Cam height "a" (for DF90A) Standard 41.120 41.280 mm IN (1.6189 1.6252 in) 40.920 41.080 mm EX (1.6110 1.6173 in) Service limit 38.520 mm (1.5165 in) 40.820 mm (1.6071 in) Service limit 39.520 mm (1.5559 in) 40.820 mm (1.6071 in) Service limit 41.020 mm (1.6150 in) 40.820 mm (1.6071 in)