Synchronizing The Carburetors - Yamaha XVZ13TF 1999 Service Manual

SYNCHRONIZING THE CARBURETORS

EAS00050
SYNCHRONIZING THE CARBURETORS
NOTE:
Prior to synchronizing the carburetors, the valve
clearance and the engine idling speed should
be properly adjusted and the ignition timing
should be checked.
1. Stand the motorcycle on a level surface.
NOTE:
Place the motorcycle on a suitable stand.
2. Remove:
S vacuum plugs
3. Install:
S adapters
S vacuum gauge 1
S engine tachometer 2
(to the spark plug lead of cyl. #1)
Vacuum gauge
YU-08030-A, 90890-03094
Engine tachometer
YU-08036-A, 90890-03113
4. Start the engine and let it warm up for several
minutes.
5. Check:
S engine idling speed
Out of specification ! Adjust.
Refer to "ADJUSTING THE ENGINE IDLING
SPEED".
Engine idling speed
950 X 1,050 r/min
6. Adjust:
S carburetor synchronization
a. Synchronize carburetor #1 to carburetor #2
by turning the synchronizing screw 1 in ei-
ther direction until both gauges read the
same.
3-13
CHK
ADJ