1999-2004 Suzuki King Quad LT-300 300F ATV Factory Service Manual, Page 48Get this manual
ENGINE INSTALLATION
Install the engine in the reverse order of engine removal Install the rear engine mounting nuts and bolts
NOTE: Temporally tighten the nuts in this stageThe engine mounting nuts are self-lockingOnce the nut has been removed, it is no longer of any useBe sure to use new nuts, and then tighten them to the specified torque Tighten the exhaust pipe nuts to the specified torqueExhaust pipe nut: 13 N.m (1.3 kg-m, 9.5 Ib-ft)