2003+ Suzuki DF9.9/DF15 four stroke outboard motors service manual, Page 184Get this manual
LOWER UNIT 8-19
2Apply the grease to the driveshaft splines$ 99000-25160: SUZUKI WATER RESISTANT GREASE 3Slide the gearcase into place, making sure that the top of the driveshaft engages properly with the crankshaft and the water tube locates in the water pump case outlet
4Apply the seal to the four gearcase bolts and tighten them to the specified torque' 99000-31120: SUZUKI SILICONE SEALGearcase bolt: 23 Nm (2.3 kg-m, 16.5 lb-ft)