2. Disconnect the damper heater wires.
3. To set the throttle valve, press the accelerator pedal to the floor and release it smoothly.
4. Start the engine. The throttle should open partially. If not, check the free play of the lever and replace it if necessary. If the throttle still does not open, check the diaphragm.
- a. Remove two screws.
- b. Connect the vacuum pump to the hose connection.
- c. Hold your finger over the hole until enough vacuum is generated to fully retract the opener rod.
- d. If the rod does not stay inside, replace the opener.
- e. If the rod remains inside, inspect the vacuum port in the carburetor. Clean it if necessary.
5. If the coolant temperature is below 11°C, tab A on the throttle opener should not be located near the carburetor. If there is contact, disconnect the opener hose. If the tab has come off the support, check the vacuum hose #18 for blockage and check that the thermostat valve B is working properly. If the tab has not come off, press the opener lever down until it comes off; if this does not happen, clean the vacuum port of the opener with a 0.5 mm drill and repeat the test.
6. If the coolant temperature is above 19°C, tab A should be positioned against the carburetor. If so, reconnect the throttle heater wires.
7. If the foot is not positioned properly, check vacuum hose No.18 for blockage and check that thermal valve B is closed.
[The text can be found on the website HondaBook.ru]