Piston Lnstallation; If The Crankshaft Is Already Installed; If The Crankshaft Is Not Installed - Honda EP3 Service Manual

Piston Installation
lf the crankshaft is already installed
1. Setthe crankshaftto bottom dead center (BDC) for
e a c h c y l i n d e r .
2. Remove the connecting rod caps, then install the
ring compressor, and check that the bearing is
securely in place,
3. Position the arrow {A) facing the cam chain side of
r n e e n g t n e .
Position the piston in the cylinder, and tap it in
u s i n g t h e w o o d e n h a n d l e o f a h a m m e r ( A ) .
N4aintain downward force on the ring compressor
(B) to prevent the rings from expanding before
entering the cylinder bore.
Stop after the ring compressor pops free, and
check the connecting rod-to-crank journal
alignment before pushing the piston into place.
Check the connecting rod bearing clearance with
plastigage (see page 7-8).
lnspect the connecting rod bolts (see page 7 241.
Apply engine oil to the bolt threads, then install the
rod caps with bearings. Torque the bolts to 20 N.m
{2.0 kgf m, 14 lbf ft) + 90'.
6 .
7 .
2.
1 .
lf the crankshaft is not installed
Remove the connecting rod caps. then install the
r i n g c o m p r e s s o r , a n d c h e c k t h a t t h e b e a r i n g i s
s e c u r e l y i n p l a c e .
P o s i t i o n t h e a r r o w ( A ) f a c i n g t h e c a m c h a i n s i d e o f
I n e e n g r n e .
Position the piston in the cylinder, and tap it in
u s i n g t h e w o o d e n h a n d l e o f a h a m m e r ( A ) ,
Maintain downward force on the ring compressor
(B) to prevent the rings from expanding before
entering the cylinder bore.
4. Position all pistons attop dead center.
\--lno
n\-.--l.
\
^ u
t
>-*/zi
.,.'_\pf{
wr
(( 'V,/ :
7-23