TOHATSU EverRun MX 18E2 Service Manual page 218

Power Unit
2 2
3 3
a a
a Groove for circular thrust plate
4 4
b b
c c
c c
5-66
25) Assembling Power Unit Parts
1.
1 1
3 3
2.
c c
Install crank shaft ass'y 1 and crank case head 2 to
cylinder.
Apply genuine engine oil to the following parts before
assembling them.
· Big End of Connecting Rod
· Small End of Connecting Rod
· Main Bearing and ball bearing
· Piston Ring and Entire Circumference of Piston, and
Entire Cylinder Wall
· O Ring of Upper Bearing
CAUTION
When the piston skirt enters into cylinder
liner, thrust plate 3 is inserted in groove,
and then crank shaft is lowered slowly.
And, put the pin 4 of labyrinth seal into the
hole b of cylinder.
· When installing crank shaft ass'y, lower the ass'y
gradually so that crank shaft is held parallel with
the cylinder face.
· Insert pistons one by one while confirming that
each piston enters vertically in the cylinder liner.
Pistons can be inserted easier while moving
them up and down a little.
· Put a bladed screw driver in the drive shaft
opening to make it easier to hold.
2st OIL
2st
Positioning bearing
Put the pins c of bearing on the cylinder as shown.
GB
2st X18E2 2012