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.
For most riding conditions this spark plug heat
range number is satisfactory. However, if the
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.
î
Clean any dirt around the spark plug base.
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.
8
-0.
9
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
With the plug washer attached, thread the spark
plug in by hand to prevent cross-threading.
î
Tighten a new spark plug 1/2 turn with
spark plug wrench to compress the washer.
If you are reusing a plug, it should only take
1/8-1/4 turn after the plug seats.
Air cleaner
The air cleaner element is of Dry Paper
Pleated type and it should be serviced at
regular intervals
(page 26)
. When riding in
dusty areas, more frequent service may be
necessary.
î
Remove the side cover (1) by removing side
cover screw (2). Pull out lug (3) & push the
cover towards rear.
î
Remove the air cleaner cover screws (4) and
the cover (5).
î
Pull out the air cleaner assembly (6) by
separating the mounting clamp (7) from
the clamp holder.
3
2
1
(1) Side cover (2) Side cover screw (3) Lugs
30
0.8-0.9 mm