Spark Plug Inspection; Engine Oil - HERO SPLENDOR iSMART PROGRAMMED FI Manual

SPARK PLUG INSPECTION

Recommended spark plugs:
NGK-CR7HSA, P-RZ9HC (Federal
Mogul) and BOSCH-UR4AC
For most riding conditions this spark plug heat
range number is satisfactory. However, if the
vehicle 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
on this if required.
Clean any dirt around the spark plug base.
•
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.
(1) Noise suppressor cap
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
workshop
1
2
(2) Spark plug
there is apparent wear or if the insulator is
cracked or chipped.
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.
With the plug washer attached, thread the
•
spark plug in by hand to prevent cross-
threading.
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.

ENGINE OIL

Use hero genuine engine oil or recommended
grade oil.
BRAND: Hero 4T plus
GRADE: SAE 10W 30 SL Grade
(JASO MA2).
Manufactured by:
Tide Water Oil Co. (India) Ltd.
•
32
0.6-0.7 mm