PERIODIC MAINTENANCE TORQUE CHARTS Standard Torque Values Standard Torque Chart 34 SD Operation Manual © 2009 Yanmar Marine International M6 x 1.0 M8 x 1.25 M10 x 1.25 or 1.5 M12 x 1.25 or 1.5 M14 x 1.5 M16 x 1.5 Cast Iron or Steel 10.8 ± 1.0 N·m 8.0 ± 0.8 lb-ft 25.5 ± 2.0 N·m 18.8 ± 1.5 lb-ft 49.1 ± 4.9 N·m 36.2 ± 3.6 lb-ft 88.3 ± 10.0 N·m 65.1 ± 7.4 lb-ft 137.2 ± 4.9 N·m 101.2 ± 3.6 lb-ft 225.4 ± 10.0 N·m 166.2 ± 7.4 lb-ft Aluminum 8.8 ± 1.0 N·m 6.5 ± 0.8 lb-ft 20.6 ± 2.0 N·m 15.2 ± 1.5 lb-ft 39.2 ± 2.0 N·m 28.9 ± 1.5 lb-ft 70.6 ± 4.9 N·m 52.1 ± 3.6 lb-ft 109.8 ± 4.9 N·m 81.0 ± 3.6 lb-ft 180.3 ± 10.0 N·m 133.0 + 7.4 lb-ft Thread size × Pitch mm M6×1.0 M8×1.25 M10×1.5 M12×1.75 M14×1.5 M16×1.5 Tightening Torque lb-in.
96.0 ± 9.0 - - - - - lb-ft - 19.0 ± 2.0 36.0 ± 4.0 65.0 ± 7.0 101.0 ± 7.0 167.0 ± 7.0 N·m 10.8 ± 1.0 25.5 ± 2.9 49.0 ± 4.9 88.3 ± 9.8 137.0 ± 9.8 226.0 ± 9.8 kgf-m 1.1 ± 0.1 2.6 ± 0.3 5.0 ± 0.5 9.0 ± 1.0 14.0 ± 1.5 23.0 ± 2.0