Checking The Spark Plugs - Yamaha XVS1100(L) Service Manual

ADJUSTING THE THROTTLE CABLE FREE PLAY/

CHECKING THE SPARK PLUGS

Handlebar side
a. Loosen the locknut 1 .
b. Turn the adjusting nut 2 in direction a or b
until the specified throttle cable free play is
obtained.
Direction
Direction
c. Tighten the locknut.
After adjusting the throttle cable free play,
turn the handlebar to the right and to the left
to ensure that this does not cause the en-
gine idling speed to change.
EAS00059
CHECKING THE SPARK PLUGS
The following procedure applies to all of the
spark plugs.
1. Remove:
S cylinder head covers 1
2. Disconnect:
S spark plug cap
3. Remove:
S spark plug
CAUTION:
Before removing the spark plugs, blow away
any dirt accumulated in the spark plug wells
with compressed air to prevent it from fal-
ling into the cylinders.
4. Check:
S spark plug type
Incorrect ! Change.
Spark plug type (manufacturer)
BPR7ES (NGK)
W22EPR-U (DENSO)
5. Check:
S electrode 1
Damage/wear ! Replace the spark plug.
S insulator 2
Abnormal color ! Replace the spark plug.
Normal color is a medium-to-light tan color.
6. Clean:
S spark plug
(with a spark plug cleaner or wire brush)
3-12
Throttle cable free play is
a
increased.
Throttle cable free play is
b
decreased.
WARNING
INSP
ADJ