1999-2002 TRX400EX Fourtrax Service Manual, Page 83Get this manual
ENGINE REMOVALINSTALLATION Removethe swingarm pivot nut and boltRemovethe engine out of the frame to the right
ENGINE INSTALLATION
Install the engine into the frame from the right side in the reverse order of removalNOTE: Before installing, make sure that the pivot collars are installed into the swingarm pivots Note the installation direction of the mounting bolts and the position of the spacers The front hanger plates are identified by marks them (R: rightL: left)
Install the swingarm pivot bolt and nut Install the lower engine hanger bolt, spacers (Left: shortRight: long) and nut Install the front engine hanger plate with the bolts and clampInstall the front engine hanger bolt, spacer (right side of the engine), guide and nut nstall the upper engine hanger bolt, spacers (Left shortRight: long) and nutTighten the nuts to the specified torque74 Nm (7.5 kgfm, 541bHt)