Adjusting The Engine Idling Speed - Yamaha XVS1100(L) Service Manual

SYNCHRONIZING THE CARBURETORS/

ADJUSTING THE ENGINE IDLING SPEED

Throttle cable free play (at the
flange of the throttle grip)
4 X 6 mm
12. Install:
S vacuum plugs
S air duct
S fuel tank
S seat
EAS00054
ADJUSTING THE ENGINE IDLING SPEED
NOTE:
Prior to adjusting the engine idling speed, the
carburetor synchronization should be adjusted
properly, the air filter should be clean, and the
engine should have adequate compression.
1. Start the engine and let it warm up for several
minutes.
2. Remove:
S cylinder head cover 1
3. Install:
S engine tachometer
(to the spark plug lead of cyl. #1)
Engine tachometer:
90890-03113
4. Check:
S engine idling speed
Out of specification ! Adjust.
Engine idling speed:
950 X 1,050 r/min
5. Adjust:
S engine idling speed
a. Turn the pilot screw 1 in until it is lightly
seated.
b. Turn the pilot screw out the specified number
of turns.
Pilot screw
3 turns out
c. Turn the throttle stop screw 2 in direction a
or b until the specified engine idling speed is
obtained.
Direction
a
Direction
b
3-10
INSP
ADJ
Engine idling speed is
increased.
Engine idling speed is
decreased.