Camshaft Inspection - Yamaha EF2800i Service Manual

CRANKCASE COVER AND CAMSHAFT
SVU3500
SVU3510
SVU3520
SVU3530

CAMSHAFT INSPECTION

1. Inspect:
• Camshaft
Damage → Replace.
2. Measure:
• Cam lobes length a and b
Out of specifications → Replace.
Cam lobes length:
Intake
Exhaust a: 26.68 ± 0.05 mm
3. Inspect:
• Surface of camshaft gear teeth
• Decompressor
Wear/damage → Replace.
4. Measure:
• Camshaft diameter a
Out of specification → Replace.
Camshaft diameter:
14.965 ~ 14.990 mm
(0.5892 ~ 0.5902 in)
Wear limit: 14.950 mm (0.59 in)
3-29
ENG
a: 26.9 ± 0.05 mm
(1.06 ± 0.002 in)
b: 22.0 ± 0.05 mm
(0.87 ± 0.002 in)
(1.05 ± 0.002 in)
b: 22.03 ± 0.05 mm
(0.87 ± 0.002 in)