Suzuki Intruder VZ1500 Service Manual page 208

1D-19 Engine Mechanical:
13) Click "ON" button (3) to fix the ISC air volume among 2 cylinders.
NOTE
When making this synchronization, be sure that the water temperature is within 70 – 100 °C (158 – 212
°F).
14) Check for the synchronization of vacuum from #1
and #2 cylinder.
15) Equalize the vacuum of the cylinders by turning each
airscrew with the special tool and keep it turning at
idling speed.
Special tool
(A): 09913–10130 (Carburetor adjust driver)
NOTE
Always set the engine rpm at idle rpm.
(A)
16) If the adjustment is not yet correct, remove each air
17) Repeat the procedures of 7) to 15).
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18) Close the SDS tool and turn the ignition switch to
19) Disconnect the vacuum tester and reinstall the
20) After completing the throttle valve synchronization,
(A)
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screw and clean them with a spray-type carburetor
cleaner and blow dry with a compressed air. Also,
clean the air screw passageways.
NOTE
• Slowly turn the air screw in clockwise and
count the number of turns until the screw
is lightly seated.
• Make a note of how many turns were made
so the screw can be reset correctly after
cleaning.
OFF position.
removed parts.
clear the DTC and reset the ISC learned value using
SDS tool. Refer to "ISC Valve Preset and Opening
Initialization in Section 1C (Page 1C-8)"
3
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