Yamaha MZ250 Service Manual page 77

PISTON, CAMSHAFT, CRANKCASE, AND
a
CRANKSHAFT
2. Measure:
9 Crankshaft runout limit
Out of specification → Replace.
Use a dial gauge.
Dial indicator gauge:
YU-A8428
Dial gauge:
90890-03097
Runout limit:
Refer to "SPECIFICATIONS" in
the Supplementary service
manual.
3. Measure:
9 Crank pin outside diameter a
Out of specification → Replace.
Use a micrometer.
Crank pin outside diameter:
Refer to "SPECIFICATIONS" in
the Supplementary service
manual.
Limit:
Refer to "SPECIFICATIONS" in
the Supplementary service
manual.
3-43
ENG