Inspection - Yamaha MM600D Service Manual

CYLINDER HEAD AND CYLINDER

INSPECTION

1. Eliminate:
•
CAUTION:
Do not use a sharp instrument. Avoid damaging
or scratching the surface.
SEJ5090
2. Inspect:
•
3. Measure:
•
•
•
SEJ5100
4. Eliminate:
•
CAUTION:
Do not use a sharp instrument. Avoid damaging
or scratching the surface.
SEJ5110
5. Eliminate:
•
6. Inspect:
•
SEJ5120
5-7
ENG
Carbon deposits
(from the combustion chamber)
Use the rounded scraper 1.
Cylinder head water jacket
Crust of minerals/rust → Clean.
Cylinder head warpage
Out of specification → Resurface.
Warpage limit:
0.03 mm (0.0012 in)
Straight edge 1
Thickness gauge 2
Carbon deposits
(from the cylinders)
Use the rounded scraper 1.
Carbon deposits
(from the piston crown and ring grooves)
Piston crown
Burrs/nicks/damage → Replace.