1987-1997 Yamaha Big Bear 350 4x4 service manual, Page 185Get this manual
IORlvl-1O-1Middle Gear Gear Lash: mm
Do not overtighten bearing housing bolts or you may obtain too little gear lash and cause damage to gearsIf over tightened, loosen the bolts so that crankcasebearing housing clearance is about mm in) and repeat all previous steps6