Spark Plug Inspection - Linhai 2004 ATV 260 Service Manual

CHAPTER 3A ENGINE
4. Adjust:
Engine idle speed
Adjustment steps:
Turn the pilot screw
Turn the pilot screw out by the specified
number of turns.
Turn the throttle stop screw
the specified idling speed is obtained.
Turning in → Idling speed is increased.
Turning out → Idling speed is decreased.

3.2.3SPARK PLUG INSPECTION

1.Remove :
Spark plug cap
Spark plug
CAUTION:
Before removing
compressed air
accumulated in the spark plug wells to prevent it
from falling into the cylinder.
1. Check:
Spark plug type
Incorrect Replace.
Standard spark plug:
DR8EA (NGK)
2.Inspect:
Electrode
Wear/ damage Replace.
Insulator
Abnormal color Replace.
Normal color is a medium - to- light tan color.
3.Clean:
Spark plug
(with spark plug cleaner or wire brush)
4.Measure:
Spark plug gap ③
(with a wire gauge)
Out of specification
260/ 300 / 400 cc
until it is lightly seated.
Pilot screw:
3
1 / turn out
8
in or out until
the spark plug,
to blow away
Adjust gap.
use
any dirt
ATV SERVICE MANUAL09.0
CHAPTER 3 ENGINE PAGE. 3A- 11