î
Clean dirt around the spark plug base.
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.
motorcycle is going to be operated for
extended periods at high speeds or near
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.
0.6-0.7 mm
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.
î
Make sure that the spark plug gap is
0.
6
-
0.
7
mm
using a wire-type feeler
gauge. If
adjustment is necessary, bend
the side
electrode carefully
.
Make sure the
plug
washer is in good conditions.
î
Tighten a new spark
plug 1/2 turn
with
a
box wrench to compress the washer.
If you are reusing a plug, it should only take
1/8-1/4 turn after the plug seats.
î
With the plug washer attached, thread the
spark plug in by hand to prevent cross-
threading.
î
Insert the ignition key into the side cover
lock (1). Remove the side cover (2) by
turning the key clockwise. Pull out lug (3)
from the grommet and slide the cover as per
direction indicator (4).
The air cleaner element is of Dry Paper
Pleated type and it should be serviced at
regular intervals
(page 30)
. When riding in
dusty areas, more frequent service may be
necessary.
AIR CLEANER
(3) Lug
(4) Direction indicator
(1) Side cover lock (2) Side cover
3
2
1
4
î
Remove the air cleaner cover screws (5)
and the cover (6).
26
