You will need a flat blade screwdriver.
1. Disconnect the wire from the terminal «minus» battery.
2. Remove the air filter (see «Removal and installation of the air filter»).
3. Press the latch...
4.... and disconnect the wiring harness connector from the throttle position sensor.
5. Press the latch...
6.... and disconnect the wiring harness block from the idle speed controller.
7. Using a screwdriver as a lever...
8.... Disconnect the intermediate thrust of the throttle actuator from the throttle assembly lever.
9. Remove the throttle assembly.
10. Remove the sealing rubber ring from the throttle assembly...
11.... and inspect it. Replace a cracked or torn ring with a new one.
12. Install the parts in the reverse order of removal.