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HERO MAESTRO EDGE 2021 - Page 76

HERO MAESTRO EDGE 2021
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Reinstall the noise suppressor cap.
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 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.
72
Adjust idle speed by adjusting the throttle
stop screw (1) by inserting a suitable screw
driver.
Idle speed: 1700±200 r/min
Warm up the engine and park the
vehicle on its main stand.
IDLE SPEED
Remove the centre compartment (page
40).
Refer to the safety precautions (page 60).
The engine must be at normal operating
temperature for accurate idle speed
adjustment. Ten minutes of stop-and-go
riding is sufficient.
(1) Throttle stop screw
The spark plug must be securely tightened. An
improperly tightened plug can become very hot
and possibly damage the engine.
WARNING
!!
1
Check the spark plug gap using a wire-type
feeler gauge. If adjustment is necessary,
bend the side electrode (2) carefully.
(2) Side electrode
0.6-0.7 mm
2
BRAKE SHOE WEAR
Refer to the safety precautions (page 60).
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).
The front and integrated brakes are equipped
with brake wear indicators.

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