Cam Cha In; Cy L I Nder - Suzuki LT-4WD 1990 Service Manual

CAM CH AIN 2 0 -PITCH LENGTH
Pu l l the chain tight to rem ove any sl ack, then
usi n g ven ier ca l i pe rs, measu re the 20- p itch ( 2 1
p i n s ) l e n gth o f cam cha i n .
than th e l i mit rep l ace the cam-cha i n .
Se rv i ce Li m i t
CYLINDER DISTORTION
Check t h e gasketed su rface of the cy l i nder for
d i stort i o n with a stra i g h ted ge and t h i ckness gauge,
ta k i n g a clea ra n ce rea d i n g at seve ra l p l a ces as
i n d i cated . If the l a rgest read i n g at a n y posit i o n of
the stra i ghted ge exceeds the l i m i t, rep l ace the

cy l i nder.

Se rv i ce Li m i t
CYLINDER BORE
Measu re the cy l i nder b o re d i a mete r at s i x p l a ces.
I f any one of the measu reme nts exceeds the l i m it,
overh a u l the cy l i nder and re p l a ce the piston with
a n ove rsi ze, or re p l a ce the cy l i n der.
09900-20508
Se rv i ce Li m it
PISTON DIA METER
U s i n g a m i cromete r, measu re the p iston outside
d i amete r at th e p l ace 1 8 m m ( 0 . 7 1 i n ) from the
sk i rt end as shown in F ig. I f the m easu rement is
I
l ess than the i m it, rep l a ce the pisto n .
09900-20203
Se rv i ce Li m it
P iston overs i ze
I f i t measu res m o re
1 29 . 0 m m ( 5. 08 i n )
0.05 m m (0. 002 i n )
Cy l i nder gauge set
66.090 m m ( 2 .6020 i n )
M i c ro mete r ( 50 - 7 5 m m )
65. 880 m m ( 2 . 5937 i n )
0 . 5, 1 .0 m m
E N G I N E 3-40