Motobecane 40 - Page 20

EXAMI NATI ON
OF TI{E CYLI NDER
HEAD
AND CYLI NDER
CONT, D .
If insta'l ling
a new
piston,
refer to the match'ing
list on
page
14.
pin
in
it
(fiq.
3).
Fit
the
small
The
pin
should
end
needle
cage
and
turn
freely without
insert the
wrist
vertical
play.
CLEARANCES
IN
MM STANDARD
MAX
I
MUM
Piston Clearance
(skirt)
0.005
to
0.010
0.050
Ring
end
gap
toP
ring
second ring
3: 13
+
o.10
0.40
Ring
groove
top
ring
Side
gap
second
ring
0.03
to
0.060
0.
15
Fis.
3
R0
16