2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 109Get this manual
ENGINE REMOVAlINSTALLATION w ire harness nrom th two clamps) connectors (disconnect from the neutral and reve rse swit ches)
tw bolts and clamp sprocket cover guide pl ate
two bolts fixi ng plate (by al igning the spli nes of the plate and cou ntershaft) drive sprocket (pu ll it off the countershaft and remove from th chain)