Carburetor Synchronization - Yamaha RX10K Supplementary Service Manual

CARBURETOR SYNCHRONIZATION

2-14
CARBURETOR SYNCHRONIZATION
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. Remove:
S Vacuum cap
2. Install:
S Carburetor synchronizer 1
S Engine tachometer (near the spark plug)
Carburetor synchronizer
90890-03094, YU-8030
Engine tachometer
90793-80009, YU-8036-B
3. Start the engine and let it warm up for several
minutes.
4. Inspect:
S Engine idle speed
Out of specification ! Adjust.
Refer to "ENGINE IDLE SPEED ADJUST-
MENT".
Engine idle speed:
1,350 ± 100 r/min
(1,250 X 1,450 r/min)
5. Adjust:
S Carburetor synchronization
Adjustment steps:
S Synchronize carburetor #2 to carburetor #3 by
turning the synchronizing screw 1 in either
direction until both gauges read the same.
INSP
ADJ