ENGINE 3-61 Installation • Fit the new O-ring 1 to each piston cooling oil jet as shown and apply engine oil to them.  Use the new O-rings to prevent oil pressure leak. • Install each piston cooling oil jet with the bolt. NOTE: Apply a small quantity of THREAD LOCK to the bolts and tighten them to the specified torque. 99000-32050: THREAD LOCK “1342” Piston cooling oil jet bolt: 10 N·m (1.0 kgf-m, 7.0 lb-ft) • Install the oil jet (for transmission). E L P M A S • Apply engine oil to the O-ring. • Install the oil jet (for cam chain tension adjuster). PLUG Removal • Remove the oil gallery plugs 1 and 2. 1 (for cylinder head side) 2 (for upper crankcase side)