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 a
wrench plug to compress the washer. If you
are reusing a plug, it should only take 1/8-
1/4 turn after the plug seats.
î Reinstall the noise suppressor cap.
The spark plug must be securely tightened.
An improperly tightened plug can become
very hot and possibly damage the engine.
WARNING
58
IDLE SPEED
Refer to the safety precautions (page 48).
The engine must be at normal operating
temperature for accurate idle speed
adjustment. Ten minutes of stop-and-go
riding is sufficient.
î Remove the centre compartment (page 31).
î Warm up the engine and park the
scooter on its main stand.
BRAKE SHOE WEAR
Refer to the safety precautions (page 48).
The front and integrated brakes are equipped
with brake wear indicators.
When the brake is applied, an arrow mark
(1) on the brake arm (2) moves towards a
reference mark (3) on the brake panel (4).
If the arrow aligns with the reference mark on
full application of the brake, the brake shoes
must be replaced. Visit your Authorised Hero
MotoCorp workshop for this service.
(1) Throttle stop screw
1
1
3
4
2
î Adjust idle speed by adjusting the throttle
stop screw (1) by inserting a suitable screw
driver.
î Idle speed: 1500+200 r/min
(3) Reference mark (4) Brake panel
(1) Arrow (2) Integrated brake arm
INTEGRATED BRAKE
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