31
SPARK PLUG
Recommended spark plugs:
NGK-CPR 8 EA9, CHAMPION-RG 6 YC,
BOSCH-UR5DC
î
Clean any dirt around the spark plug base.
For most riding conditions this spark plug heat
range number is satisfactory. However, if the
vehicle is going to be operated for extended
p e r i o d s a t h i g h s p e e d s o r n e a r
maximum power in hot climates, the spark
plug should be changed to a cold heat range
number, consult Authorised
Hero MotoCorp
workshop on this if required.
î
Disconnect the noise suppressor cap (1)
and remove the spark plug (2) with the
help of spark plug box wrench provided in
the tool bag.
î
Visually inspect the spark plug electrodes for
wear. The center electrode should have
square edges and the side electrode should
not be eroded. Discard the spark plug if
there is apparent wear or if the insulator is
cracked or chipped.
(1) Noise suppressor cap (2) Spark plug
2
1
î
Remove centrifugal filter cover (6) & clean
the centrifugal filter (7) with non flammable
or high flash point solvent (kerosene).
î
Fill the crankcase with clean engine oil
(page 29)
.
î
Reinstall the centrifugal filter cover, right
crankcase cover, rider foot rest, muffler &
kick starter pedal.
î
Ensure to replace gasket with new one once
removed
î
Clean filters as specified in the maintenance
schedule.
NOTE
5
6
(5) Oil filter screen (6) Centrifugal filter cover
(7) Centrifugal filter
7
î
Reinstall the oil filter screen with tapered
end facing in.
