Yamaha MZ250 Service Manual page 69

PISTON, CAMSHAFT, CRANKCASE, AND
a
a
b
a
3-35
CRANKSHAFT
2. Check:
9 Camshaft lobe dimensions a and b
Camshaft lobe dimensions:
Dimension a:
Refer to "SPECIFICATIONS" in
the Supplementary service
manual.
Limit:
Refer to "SPECIFICATIONS" in
the Supplementary service
manual.
Dimension b:
Refer to "SPECIFICATIONS" in
the Supplementary service
manual.
Limit:
Refer to "SPECIFICATIONS" in
the Supplementary service
manual.
Out of specification → Replace.
3. Check:
9 Surface of camshaft gear teeth
9 Decompressor
Crack/damage/wear → Replace.
4. Check:
9 Camshaft journal diameter a
Camshaft journal diameter (limit):
Refer to "SPECIFICATIONS" in
the Supplementary service
manual.
Out of specification → Replace.
ENG