18-56 VL800/C/TK9 (’09-MODEL)
• Click “Active control”.
• Click “ISC air volume control” 1.
• Click “ON” bottom 2 to fix the ISC air volume of two cylinders.
NOTE:
When making this synchronization, be sure that the water tem-
perature is within 90 – 110 °C (194 – 230 °F).
• Check for the synchronization of vacuum of #1 and #2 cylin-
ders.
• Equalize the vacuum of the cylinders by turning each air
screw 3 and keep it running at idling speed.
NOTE:
Always set the engine rpm at idle rpm.
• If the adjustment is not yet correct, remove each air screw
and clean them with a spray-type carburetor cleaner and blow
dry with a compressed ai . Also, clean the air screw passage-
ways.
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.
Step 3
Repeat the procedures of Step 2.
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