2007-2009 Honda TRX300EX TRX300X service manual, Page 108Get this manual
ENGINE REMOVALIINSTALLATION bolt and negative (-) cable terminal nut (release rubber cap) starter motor cable
clutch cable (loosen lock nut, bolts and disconnect the cable from the lifter arm, and remove it from the cable holder)
Support the engine ith floor jack or other adjustable supportNOTE:
The jack height must be continually adjusted to relieve stress for ease of bolt removalRemove the following engine mounting fasteners:front upper and lower engine mounting nut and bolthanger plate bolts and engine hangers