6-6 CYLINDER, PISTON AND EXHAUST VALVE
• Remove the side valves and spacers.
CYLINDER HEAD INSPECTION
• Remove carbon deposits from the cylinder head.
• Inspect the cylinder head for cracks around the spark plug
hole.
• Inspect for cylinder head distortion.
Cylinder head distortion
Service Limit: 0.05 mm (0.002 in)
09900-20803: Thickness gauge
CYLINDER INSPECTION
• Remove carbon deposits from the exhaust port.
• Inspect the cylinder for cracks and replace the cylinder if nec-
essary.
• Inspect the cylinder bore for wear and scratches.
NOTE:
Chrome-plated cylinder bore can not be modified such as boring
and honing.
• Inspect for cylinder distortion.
Cylinder distortion
Service Limit: 0.05 mm (0.002 in)
09900-20803: Thickness gauge
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