TOHATSU BFT115A Service Manual page 473

Apply molybdenum disulfide oil to the connecting rod
bearing surface (1).
Install the connecting rod bearing to the connecting rod
by aligning the tab (2) of the connecting rod bearing
with the groove (3) of the connecting rod.
Apply molybdenum disulfide oil to the piston (1) outer
surface, piston rings, oil rings and cylinder sleeve inner
surface.
Install the piston with the arrow mark (2) facing the cam
chain side of the engine. Using a piston ring
compressor (commercially available), position the
piston in the cylinder block, and tap it in using the
wooden handle of a hammer.
Apply engine oil to the threads and seating surface of
the oil jet bolts (1).
Install the oil jet body (2) to No.1 and No.2 cylinders and
tighten the oil jet bolts to the specified torque.
TORQUE: 16 N·m (1.6 kgf·m, 12 lbf·ft)
CYLINDER BLOCK
(3)
(2)
PISTON RING COMPRESSOR
(commercially available)
(1)
(2)
(2)
(1)
(1)
15-25