1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 61Get this manual
ENGINE REMOVALINSTALLATION Remove the front upper engine mounting boltRemove the engine hanger bracket bolts and the bra.pkte Remove the front lower engine mounting bolt
Remove the rear lower and upper engine mounting boltCarefu lly separate the engine from the rear driveshah universal jOint, and remove the engine from the frame
ENGINE INSTALLATION
Engine installation is essentially the reverse of removalApply molybdenum disulfide grease to the output gear shaft splinesUse floor jack or other adjustable support to carefully manuever the engine into place