Suzuki DF25/DF30 Four Stroke Service Manual, Page 176Get this manual
POWER UNIT 7-59 Install crankcase to cylinderApply engine oil to crankcase boltsTighten crankcase bolts in three (3) steps following the order indicated below
NOTE: After tightening crankcase bolts, check to be sure that crankshatf rotates smoothy when turned by handCrankcase bolt 1st step mm 10 mm 2nd step mm 10 mm Final step mm 10 mm 5N.m 11 20 43 25 53 m
(0.5 kg-m, 3.5 lbft (1.1 kg-m, 8.0 lbft (2.0 kg-m, 14.5 lbft (4.3 kg-m, 31.0 lbft (2.5 kg-m, 18.0 lbft (5.3 kg-m, 38.5 lbft