Suzuki RM125 - Cylinder Head Inspection; Cylinder Inspection

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