Camshaft Inspection; Cam Lobes Length - Yamaha EF2000iS Service Manual

CRANKCASE COVER AND CAMSHAFT
a
a
a
b
3-32

CAMSHAFT INSPECTION

1. Inspect:
9 Camshaft
Crack/damage/wear → Replace.
2. Inspect:
9 Cam lobes length a and b

Cam lobes length:

(intake and exhaust)
Dimension a: 20.54 ± 0.05 mm
Limit: 20.39 mm (0.802 in)
Dimension b: 16.189 ± 0.05 mm
Limit: 16.039 mm (0.631 in)
Out of specification → Replace.
3. Inspect:
9 Surface of camshaft gear teeth
9 Decompressor
Crack/damage/wear → Replace.
4. Inspect:
9 Camshaft journal diameter a
Camshaft journal diameter (limit):
11.95 mm (0.4704 in)
Out of specification → Replace.
ENG
(0.81 ± 0.002 in)
(0.64 ± 0.002 in)