Honda 2010 CBF 250, Workshop Manual

Page: 101 / 291

CYLINDER HEAD/VALVES
7-8
NOTE
Install carefully the supports of the camshafts and guide to
the supply chain.
Tighten bolts in sequence crusade, in several steps.
TORQUE 12 N.m (1,2 kg.m)
Do not turn the camshaft during the inspection.
DISMANTLING OF THE CYLINDER HEAD
Remove the following components:
Camshafts (page 7-5).
Exhaust pipe (page 2-5)
Carburetor (page 5-5)
Carefully Remove the four screws, washers and two bolts.
NOTE
Remove the bolt of the superior connection of the tube of
oil from the cylinder head together with the washer seal.
Remove the cylinder head.
NOTE
Be careful not to damage the contact surfaces.
Be careful to the bolts and nuts do not fall within the
casing of the engine.
BOLTS
NUT
CYLINDER HEAD
Remove the supports of the camshafts and measure the
width of each plastigage compressed. The wide more indic-
ates the generosity of oil.
In the event that the limits of service are exceeded, replace
the camshaft and check again the generosity of oil. In the
event that the slack oil still exceed the limit of service, re-
place the cylinder head and the supports of the camshafts
as a whole.
Service Limit 0,10 mm
CBX250