Mitsubishi S3Q2-T User Manual

REASSEMBLY OF BASIC ENGINE
7-6
1.10 Installing connecting rod bolt and connect-
ing rod bearing
(1)
Press fit the connecting rod bolts into the connecting
rod.
Note: When press fitting the bolt, make sure that the bolt
fully contacts its seating position without any
interference with the shoulder of mounting surface.
(2) Install the upper connecting rod bearing with its lug
fitted in the lug groove of connecting rod.
(3) Install the lower connecting rod bearing with its lug
fitted in the lug groove of connecting rod cap.
(4) Apply engine oil to the inner surface of bearing.
1.11 Installing Pistons
&$87,21
Do not forcefully insert the piston, as it may cause
damage to the piston rings and crank pin.
(1) Apply engine oil to the circumference of the piston and
piston rings.
(2) Orient the ring end gaps diagonally opposite each other
avoiding the piston pin direction and its right angle
direction.
(3) Turn the crankshaft to bring the crank pin of the
cylinder to the top dead center.
(4) Using a piston guide, insert the piston from the top face
of crankcase into the cylinder sleeve.
Note: When installing the pistion, be sure to orient the
match mark on the connecting rod to the camshaft
side.
Installing connecting rod bearing
Installing piston (1)
Installing piston (2)
Installing piston (3)
Lug groove
Oil ring end gap
Piston pin
Thrust positionCamshaft side
Opposite-to-thrust
position
No.2
Compression
ring end gap
No.1
Compression
ring end gap
Combustion
chamber side
Piston guide
P/N:30691-58100
Front mark
Front mark
Front crankcase

Mitsubishi S3Q2-T Specifications

General

Brand	Mitsubishi
Model	S3Q2-T
Category	Engine
Language	English