Suzuki GSX-R 1000 Service Manual: Throttle valve synchronization
Check and adjust the throttle valve synchronization among four cylinders.
- Start the engine and run it in idling condition for warming up.
- Stop the warmed-up engine.
- Lift and support the fuel tank. Refer to “fuel tank removal and installation” in section 1g (page 1g- 9).
- Remove the clamps (1).
- Disconnect the respective vacuum hoses (2) from vacuum nipples on the throttle body.
- Disconnect the iap sensor coupler (3).
- Connect the respective vacuum tester hoses (4) to the vacuum nipples.
- Set up the sds tool. (Refer to the sds operation manual for further details.)
- Start the engine.
- Click “data monitor”.
- Warm up the engine (engine coolant temp. More than 80 °c (176 °f)).
- Click “active control”.
- Click “isc air volume control” (5).
- Click “on” button (6) to fix the isc air volume of four cylinders.
| Note when making this synchronization, be sure that the engine coolant temperature is within 80 – 100 °c (176 – 212 °f). |
|
- Check for the synchronization of vacuum from #1 to #4 cylinders.
- Equalize the vacuum of the cylinders by turning each air screw (7) 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 air. Also, clean the air screw passageways.
Note
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- Repeat the procedures from 9) to 16).
- Close the sds tool and turn the ignition switch off.
- Disconnect the vacuum tester and reinstall the removed parts.
- After completing the throttle valve synchronization, clear the dtc and reset the isc learned value using sds tool. Refer to “isc valve preset and opening initialization” in section 1c .
Isc valve visual inspection
Visually inspect the isc valve if necessary.
Inspect the isc valve for any carbon deposition
defects. Clean or replace the isc valve if necessary.
...
Isc valve reset
When removing or replacing the throttle body assembly,
reset the isc valve learned value in the following
procedures:
turn the ignition switch on position.
Set up the sds tools. (Refer t ...
Other materials:
Turn signal light
To replace the turn signal light
bulb, follow these directions.
Remove screw and take off
the lens.
Turn the socket counterclockwise
and remove it.
Push in the bulb and turn it
counterclockwise.
Caution
Overtightening the screws may
cause the le ...
Front fork parts inspection
Refer to “front fork disassembly and assembly” .
Inner and outer tubes
Inspect the inner tube and outer tube for scratches
Slide bushing / guide bushing
Inspect the slide bushing and guide bushing for wear or
damage. If they are worn or damaged, replace them with
new ones. If they are not ...
Wheel balance check and adjustment
Check and adjust the wheel balance in the following
procedures:
removal the wheel assembly. Refer to “front wheel assembly removal and
installation” and “rear wheel assembly removal and installation” .
Remove the mounting drum from the rear wheel.
(For rear wheel) ref ...