Suzuki DF25/DF30 Four Stroke Service Manual, Page 168Get this manual
POWER UNIT 7-51 (5) Assemble crankcase to cylinder(6) Apply eingine oil crankcase boltsTighten crankcase bolts in three (3) steps following the order indicated belowCrankcase: 1st step mm 10 mm 2nd step mm 10 mm Final step mm 10 mm Tightening order
5 (0.5 kg-m, 3.5 lbft 11 (1.1 kg-m, 8.0 lbft 20 (2.0 kg-m, 14.5 lbft 43 (4.3 kg-m, 31.0 lbft 25 (2.5 kg-m, 18.0 lbft 53 (5.3 kg-m, 38.5 lbft