Suzuki RA410 Manual page 298

1. Gaging plastic
2. Scale
6) Remove housing, and using scale on gaging plastic envelop,
measure gaging plastic width at its widest point.
Journal
clearance
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 tappet and shim
Check adjuster for pitting, scratches, or damage.
If any malcondition is found, replace.
ENGINE MECHANICAL 6A4-39
Standard
0.045 – 0.087 mm
(0.0018 – 0.0034 in.)
Standard
23.000 – 23.021 mm
(0.9055 – 0.9063 in.)
22.934 – 22.955 mm
(0.9029 – 0.9037 in.)
Limit
0.12 mm
(0.0047 in.)