Crankcase Cover Removal; Camshaft Inspection - Yamaha EF3000iSE Service Manual

CRANKCASE COVER AND CAMSHAFT
6
4
2
1
3
5

CRANKCASE COVER REMOVAL

1. Remove:
• Crankcase cover
NOTE:
Loosen the bolts in the proper sequence.
SWL3370J

CAMSHAFT INSPECTION

1. Inspect:
• Camshaft
Damage → Replace.
SVU3480J
2. Measure:
• Cam lobes length a and b
Out of specifications → Replace.
Cam lobes length:
SVU3490J
3. Inspect:
• Surface of camshaft gear teeth
• Decompressor
Wear/damage → Replace.
SVU3500J
4. Measure:
• Camshaft diameter a
Out of specification → Replace.
Camshaft diameter:
Wear limit:
SVU3510J
3-35
ENG
a: 26.9 ± 0.05 mm
Intake
(1.059 ± 0.002 in)
b: 22.0 ± 0.05 mm
(0.866 ± 0.002 in)
Exhaust a: 26.68 ± 0.05 mm
(1.050 ± 0.002 in)
b: 22.025 ± 0.05 mm
(0.867 ± 0.002 in)
14.965 ~ 14.990 mm
(0.5892 ~ 0.5902 in)
14.950 mm (0.5886 in)