Push Rod Inspection; Cylinder Head Inspection - Yamaha EF2000iS Manuel D'atelier

CYLINDER HEAD COVER AND CYLINDER HEAD

PUSH ROD INSPECTION

1. Inspect:
9 Push rod runout
Runout limit:
0.5 mm (0.02 in)
Out of specifications

CYLINDER HEAD INSPECTION

1. Inspect:
9 Cylinder head combustion chamber
Check the combustion chamber for car-
bon deposits.
Carbon deposits → Remove.
TIP
Be sure not to damage the contact surface of
the cylinder.
2. Inspect:
9 Cylinder head
Cracks/damage around the hole of
spark plug → Replace.
3. Measure:
9 Cylinder head warpage
Measure the warpage on the contact
surface of the cylinder head at six
points using the straight edge and
thickness gauge.
Warpage limit:
0.05 mm (0.002 in)
Out of specifications → Resurface or
replace.
3-22
ENG
→ Replace.