Suzuki Wagon R Manual page 500

45_
INSPECTION
Valve Guides
Using a micrometer and bore gauge, take diameter readings on
valve stems and guides to check stem-to-guide clearance.
Be sure to take reading at more than one place along the length of
each stem and guide.
If clearance exceeds limit, replace valve and valve guide.
Item
In
(0.2152 – 0.2157 in.)
Valve stem
diameter
Ex
(0.2142 – 0.2148 in.)
In
Valve guide g
I.D. (0.2166 – 0.2170 in.)
Ex
In
(0.0008 – 0.0018 in.)
Stem-to-guide g
clearance
Ex
(0.0018 – 0.0028 in.)
If bore gauge is not available, check end deflection of valve stem
with a dial gauge instead.
Move stem end in directions (1) and (2) to measure end deflection.
If deflection exceeds its limit, replace valve stem and valve guide.
Valve stem end deflection
limit
Valves
D Remove all carbon from valves.
D Inspect each valve for wear, burn or distortion at its face and stem
and, as necessary, replace it.
D Measure thickness (1) of valve head. If measured thickness ex-
ceeds limit, replace valve.
Valve head thickness
Standard
IN 0.8 – 1.2 mm
(0.03 – 0.047 in.)
EX
ENGINE MECHANICAL 6A1-45
Standard
5.465 – 5.480 mm
5.440 – 5.455 mm
5.500 – 5.512 mm
0.020 – 0.047 mm
0.045 – 0.072 mm
In 0.14 mm (0.005 in.)
Ex 0.18 mm (0.007 in.)
0.6 mm (0.024 in.)
0.7 mm (0.027 in.)
Limit
–
–
–
0.07 mm
(0.0027 in.)
0.09 mm
(0.0035 in.)
Limit