1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 297Get this manual
DF40QHDF50QH 11-6 Data DF40QH DF50QH
CYLINDERPISTONPISTON RING
Cylinder distortion
Limit STD Limit STD
mm (in) mm (in) mm (in) mm (in) mm (in) mm (in) mm (in)
0.060 (0.0024) 0.020 0.040 (0.0008 0.0016) 0.100 (0.0039) 71.000 71.020 (2.7953 2.7961) 50 (2.0) from cylinder top surface 70.970 70.990 (2.7941 2.7949) 19 (0.7) from piston skirt end 0.100 (0.0039) 0.10 0.25 (0.004 0.010) 0.70 (0.028) 0.25 0.40 (0.010 0.016) 1.00 (0.039) Approx7.5 (0.30) 6.0 (0.24) Approx11.0 (0.43) 8.8 (0.35) 0.02 0.06 (0.001 0.002) 0.10 (0.004) 0.02 0.06 (0.001 0.002) 0.10 (0.004) 1.01 1.03 (0.040 0.041) 1.01 1.03 (0.040 0.041) 1.51 1.53 (0.059 0.060) 0.97 0.99 (0.038 0.039) 0.97 0.99 (0.038 0.039) 0.006 0.018 (0.0002 0.0007) 0.040 (0.0016) 17.996 18.000 (0.7085 0.7087) 17.980 (0.7079) 18.006 18.014 (0.7089 0.7092) 18.040 (0.7102) 0.003 0.015 (0.0001 0.0006) 0.05 (0.002) 18.003 18.011 (0.7088 0.7091)