Suzuki Samurai 1986, Service Manual

Page: 78 / 482

Item
Standard
Limit
In
6.965 6.980 mm
Valve
(0.2742 0.2748 in.)
stem
diameter
6.950 6.965 m m
(0.2737 0.2742 in.)
Valve
guide
I.D.
In 7.000 7.015 m m
(0.2756 0.2761 in.)
7.000 7.015 m m
(0.2756 0.2761 in.)
Stem-to-
0.020 0.050 mm
0.07 mm
guide
(0.0008 0.0019 in.) (0.0027 in.)
clearance 0.035 0.065 mm
0.09 mm
(0.0014 0.0025 in.) (0.0035 in.)
Fig.
Valves
l
Remove all carbon from valves.
l
Inspect each valve for wear, burn or distor-
tion at its
face and stem and replace as neces-
sary.
l
Measure
thickness of valve head. If measured
thickness exceeds its limit specified below,
replace valve.
Fig.
Valve head thickness
If bore gauge is not available, check end deflec-
tion of the valve stem in place with a dial
gauge rigged.
stem end in the directions and to
measure end deflection.
If deflection exceeds its limit, replace valve stem
and valve guide.
Valve stem end
In
d e f l e c t i o n l i m i t
0.14 mm (0.005 in.)
0.18 mm (0.007 in.)
Standard
1 .O mm
(0.039 in.)
Limit
In
0.6 mm (0.023 in.)
Ex 0.7 mm (0.027 in.)
Fig.
1. Valve head thickness
2 .
45
3-20