2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 293Get this manual
REAR SHOCK ABSORBER AND RELAY ARM EBS00487
REMOVING THE REAR SHOCK ABSORBER 1Remove: relay arm-to-rear shock absorber lower bolt rear shock absorber upper bolt NOTE: While removing the relay arm-to-rear shock absorber lower bolt, hold the swingarm so that it does not drop downEBS00488