Suzuki Jimny Service Manual page 534

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.
Valve stem-to-guide clearance
Standard
0.020 – 0.047 mm
In
(0.0008 – 0.0019 in.)
0.045 – 0.072 mm
Ex
(0.0018 – 0.0028 in.)
Valve stem diameter [A]
In
Ex
Valve guide bore [B]
In and Ex
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 deflec-
tion.
If deflection exceeds its limit, replace valve stem and valve guide.
Valve stem end deflection limit
In: 0.14 mm (0.006 in.)
Ex: 0.18 mm (0.007 in.)
ENGINE MECHANICAL (M13 ENGINE) 6A1-53
Limit
0.07 mm
(0.0028 in.)
0.09 mm
(0.0035 in.)
Standard
5.465 – 5.480 mm
(0.2152 – 0.2157 in.)
5.440 – 5.455 mm
(0.2142 – 0.2148 in.)
Standard
5.485 – 5.510 mm
(0.2159 – 0.2169 in.)