3-17
Seat valve
l
Carbon deposition on valve seating will cause
valves not to seat properly thereby causing
leakage and affects idling, pickup and mileage.
Also leads to erratic running and starting
trouble.
Valve and valve guide
l
Carbon deposits on the valve stem rubs
continuously on guide valve and results in
increased clearance between the stem and
guide valve. Clean the valve stem with suitable
cleaning solvent. (Fig. 3.57)
l
Clean the guide valve to remove any carbon
buildup by using carbon removers. Clean other
parts of head complete cylinder thoroughly
with suitable cleaning solvent.
INSPECTION
Head complete cylinder
l
After cleaning the liquid gasket from the
surface of the cylinder head complete, inspect
the surface for any scratches, high and low
spots. If noticed, remove them suing a fine
emery paper (400 grade) placed over the
surface plate. (Fig. 3.58)
Surface plate
l
Using a feeler gauge, check for the distortion
of surfaces of the cylinder head complete. If
the reading exceeds the limit, replace the head
complete cylinder with a new one. (Fig. 3.59)
Feeler gauge
Surface plate
Service limit
0.050 mm (max)
Fig. 3.57
Fig. 3.58
Fig. 3.59
TVS APACHE RTR 200
SERVICE MANUAL
SERVICING OF ENGINE
