Honda CBR1000F Manual page 56

Screw the adaptors in the No.4 intake port vacuum holes.
Connect the vacuum gauge tubes to the No.2, 3 intake
ports.
Connect the vacuum gauge tube to the No.1 intake port
Connect the vacuum pump to the fuel tank vacuum tube.
Operate the pump and open the fuel valve.
Start the engine and adjust the idle speed using the throttle
stop screw.
Idle
speed:
1,000
±
100 min-' (rpm) (Except SW, AR
type)
1,050
±
50 min-' (rpm) (SW
type)
1,050
±
100 min-' (rpm) (AR
type)
Check the each carburetor intake vacuum pressure is within
20 mm (0.8 in) Hg of the base carburetor.
Synchronize the carburetors by turning the adjusting
screws.
NOTE
• The No.3 carburetor cannot be adjusted; it is the base
carburetor.
• The No.3 cylinder intake vacuum pressure is the base
vacuum pressure.
Synchronize to specification by turning the adjusting screw
with the phillips screwdriver as shown.
Recheck the idle speed and each cylinder intake vacuum
pressure so it is within 20 mm (0.8 in) Hg of the base carburetor
reading after snapping the throttle grip 3-4 times.
Remove the vacuum gauge tubes.
Maintenance
(2) FUEL TANK VACUUM TUBE
(1) VACUUM GAUGE TUBES
(1) THROTTLE STOP SCREW
(1) ADJUSTER SCREWS
(1) VACUUM GAUGE TUBES
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