Suzuki 2000 Grand Vitara SQ625 Service Manual page 460

If measured camshaft journal clearance exceeds limit, measure
journal (housing) bore and outside diameter of camshaft journal.
Replace camshaft or cylinder head assembly whichever the differ-
ence from specification is greater.
Item
Camshaft journal
bore dia. (IN & EX)
Camshaft journal
O.D. (IN & EX)
Wear of Hydraulic Valve Lash Adjuster
Check adjuster for pitting, scratches, or damage.
If any malcondition is found, replace.
Measure cylinder head bore and adjuster outside diameter to deter-
mine cylinder head-to-adjuster clearance. If clearance exceeds
limit, replace adjuster or cylinder head.
Item
Hydraulic valve
lash adjuster
O.D.
Cylinder head
bore
Cylinder head
to adjuster
clearance
ENGINE MECHANICAL (J20 ENGINE) 6A4-41
Standard
26.000 – 26.033 mm
(1.0236 – 1.0249 in.)
25.934 – 25.955 mm
(1.0210 – 1.0218 in.)
Standard
30.959 – 30.975 mm
(1.2189 – 1.2194 in.)
31.000 – 31.025 mm
(1.2205 – 1.2214 in.)
0.025 – 0.066 mm
(0.0010 – 0.0025 in.)
Limit
–
–
0.15 mm
(0.0059 in.)