wsm STW37 Workshop Manual page 149

STW34, STW37, STW40, WSM
Camshaft Alignment
1. Support the camshaft with V blocks on the surface plate at both
end journals.
2. Set a dial indicator with its tip on the intermediate journal.
3. Measure the camshaft alignment.
4. If the measurement exceeds the allowable limit, replace the
camshaft.
Camshaft alignment Factory specification
Cam Height
1. Measure the height of the cam at its highest point with an
outside micrometer.
2. If the measurement is less than the allowable limit, replace the
camshaft.
Factory specification
Cam height of intake
Allowable limit
Factory specification
Cam height of exhaust
Allowable limit
Oil Clearance of Camshaft Journal
1. Measure the camshaft journal O.D. with an outside micrometer.
2. Measure the cylinder block bore I.D. for camshaft with a cylinder
gauge, and calculate the oil clearance.
3. If the oil clearance exceeds the allowable limit, replace the
camshaft.
Factory specification
Oil clearance of
camshaft journal
Allowable limit
Camshaft journal O.D. Factory specification
Cylinder block bore I.D. Factory specification
1-S70
ENGINE
0.01 mm
0.0004 in.
9Y1211109ENS0110US0
33.90 mm
1.335 in.
33.85 mm
1.333 in.
33.90 mm
1.335 in.
33.85 mm
1.333 in.
9Y1211109ENS0111US0
0.050 to 0.091 mm
0.0020 to 0.0035 in.
0.15 mm
0.0059 in.
39.934 to 39.950 mm
1.5722 to 1.5728 in.
40.000 to 40.025 mm
1.5748 to 1.5757 in.
9Y1211109ENS0112US0
KiSC issued 11, 2014 A