Honda 2010 CBF 250, Workshop Manual

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PISTON/CYLINDER
8-6
NOTE
Inspect the rings of the piston and replace, if they are
worn.
Reinstall temporarily rings of the piston (page 8-7) in
their respective slots.
Press the ring of the piston until its external surface is
practically leveled with a piston.
Measure slack between the slot and the ring of the pis-
ton, using a gauge of thicknesses.
Insert correctly each ring of the piston in the base of the
cylinder, using the piston in accordance with the illustration.
Measure the generosity of the extremities of the ring of
the piston with a gauge of thicknesses.
Límite de
Ring Superior 0,12 mm
Servicio
Ring Secondary 0,12 mm
Replace always rings of the piston as a whole.
Installing the PISTON
Clean completely the head of the piston, the slots of rings
and the skirt piston. Install carefully rings of the pis-
ton, with oriented brands upwards.
i
•Apply oil to the rings of the piston.
•Do not open too the extremities of the rings of the
piston, not to harm them.
•Be careful not to damage the piston and the rings
during installation.
PISTON RING
PISTON
CBX250
Ring Superior 0,30 mm
Service Limit Ring Secondary 0,45 mm
Ringo de Aceite 0,86 mm