Honda 2010 CBF 250, Workshop Manual

Page: 289 / 291

FAULT FINDING
21-2
CBX250
THE ENGINE HAS NO POWER
1. Lift the wheels off the ground and
turn manually.
•Brake rough •Bearing wheels worn or
damaged. •Drive chain too tight.
•Valve of the tire with fault •Tire punch
The wheels not
rotate freely.
•Valve enrichment of start (IS) stuck in the po-
sition operated. •Air Filter obstructed. •Flow of
fuel restricted. •Silencer obstructed. •Relief
fuel tank obstructed.
The rotation of
the engine does
not increase.
Pressure too
low
Probable Causes
The wheels
rotate freely.
2. Check the pressure of the tires.
• Module to control the ignition (ICM) with fault. •
Pulse generator power with fault.
Incorrect
The rotation of the
engine increases.
5. Check on the point of ignition.
•Valve stuck in the open position. •Cylinder
and rings of the piston worn. •Leakage
from the gasket of the cylinder head. •Synchronisation
incorrect valves.
Too low
Correct
Correct
6. Try the compression of the cylinder.
•Maintenance has not been made in the interval
correct. •Degree heat incorrect spark plug
Spark Plug
dirty or
discoloured
Not obstructed
8. Remove and inspect the spark plug.
•Oil Level too high. •Oil Level too
low. •Contaminated Oil
Incorrect
OK
9. Check the level and the state motor
oil.
Correct
• Channels of oil obstructed. •
Hole of oil obstructed.
Lubrication incor-
rect in the system
of valves
10. Remove the cover of the cylinder head and
inspect the lubrication.
Refer to page 21-3
Lubrication correct in
the system of valves
• Maintenance has not been made in the in-
terval correct.
Obstructed
7. Check to see if the carburetor
is obstructed.
•Clutch skating •Disks bearings/plates of clutch worn
•Disks bearings/plates of clutch banked •Spring clutch
weak •attachment in the engine oil
The rotation of engine is
not varia when
decouples the clutch.
Pressure normal
3. Accelerate rapidly from the 1TH to the
2TH place.
The rotation of the en-
gine decreases when
decouples the clutch.
4. Accelerate gradually.