Suzuki DL650 Service Manual page 242

5-32
FUEL SYSTEM AND THROTTLE BODY
THROTTLE VALVE SYNCHRONIZATION
Check and adjust the throttle valve synchronization between two
cylinders.
CALIBRATING EACH GAUGE (For vacuum balancer gauge)
Start up the engine and run it in idling condition for warming
UP.
Stop the warmed-up engine.
Remove the fuel tank. ( W 5 - 7 )
Remove the air cleaner box. (-5-15)
Install the fuel tank.
Connect the IAT and PAIR control valve sensor couplers.
Connect the IAP sensor coupler and vacuum hose.
Connect the PAIR hose.
Remove the rubber cap
@ I
from the No.1 throttle body.
Connect one of the four rubber hoses of the vacuum balancer
-
gauge to the nipple on the No.1 throttle body.
09913-131 21 : Vacuum balancer gauge
Start up the engine and keep it running at 1 300 rpm by turn-
-
ing throttle stop screw
a.
\
-
Avoid drawing dirt into the throttle body while running
the engine without air cleaner box. Dirt drawn into the
engine will damage the internal engine parts.
(3:
$-
I
-