Guide To The Distribution Chain; Cylinder Head - Honda 2010 CBX 250 Workshop Manual

CYLINDER HEAD/VALVES
Remove the keys of the valves, retainers springs, springs and
valves, using the special tools, according to the illustration.
Special tool:
Valve compressor
Accessory to valve compressor
i
To avoid loss of tension, not compress the springs more
than was necessary to remove the keys.
Remove the checkpoints of oil from the shoots of the
valves and the seats of the springs.
NOTE
During the disassembly, identify each piece removed after
reinstallation in its original position.

GUIDE TO THE DISTRIBUTION CHAIN

Check the guide to the distribution chain with regard to
excessive wear or damage. Replace, if necessary.

CYLINDER HEAD

Remove the deposits of carbon of the combustion
chamber.
Check the area of the hole of the spark plug and valves
with regard to cracks.
Check the cylinder head with regard to twist using a rule of preci-
sion and a gauge of thicknesses.
Service Limit
NOTE
Be careful not to damage the surface of the gasket.
7-10
07757–0010000
07959–KM30101
VALVE COMPRESSOR AND ACCESSORY
VALVE
SPRINGS
RETAINERS
DISTRIBUTION CHAIN GUIDE
0,10 mm
CBX250
SEAT OF THE SPRING
OIL STEM
SEAL
KEY