SPARK PLUG INSPECTION
Recommended plug: NGK-CPR6EA9
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
workshop 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.
29
(1) Noise suppressor cap (2) Spark plug
12
•
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.
•
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.
0.8-0.9 mm
•
Tighten with a new spark plug 1/2 turn
spark plug thewrench to compress washer.
If you are reusing a plug, it should take only
1/8-1/4 turn after the plug seats.
•
With the plug washer attached, thread the
spark plug in by hand to prevent cross-
threading.
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.
•
Savita Oil Technologies Limited.
•
Bharat Petroleum Corporation Limited.
OIL CAPACITY: . litre0 95
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