( c) Lightly apply engine oil to the crankpins and in
stall main bearings (upper). Securely engage the
bearings with the crankpins.
(3) Install the piston assembly as follows:
Install connecting rod bearing (upper) (1) into
the big end of connecting rod. Apply engine oil in the
internal surface of bearing and on the external periph
ery of piston. Position piston rings so that ring gaps
are located 90
°
in respect with each other as shown,
and then insert piston assembly (2) into crankcase.
Alignment marks on the connecting rod must face the
camshaft side. Put cap attaching bolts (3) into rod in
advance. Insert piston assembly into crankcase by us
ing piston guide (A).
No. 1 ring gap
No. 2 ring gap
Precombustion-chamber side
