Derbi ATV DXR 200, Workshop Manual

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4-1-7. Choke(refer to Fig. 4-10, 4-11)
For different requirements, the choke position may locate on left handle-bard;, below the start button. Fig.
4-11. Starting a cold engine requires a richer air-fuel mixture (2) on direction (3) to open the choke and (4)
to close the choke.
4-1-8. Float level inspection(Fig. 4-08)
01. turn the carburettor upside down for float valve touch the float valve seat. Then, tilt carburettor slowly to
check float level with level gauge during float pin touch valve.
* service limit (float level)- 12.5mm(125) or 13mm (l50).
02. very careful bend the float pin to perform adjustment.
03. re-check the proper float operation.
04. install the float chamber.
4-1-8. Carburettor installation (Fig. 4-05, 4-06)
01. use slow compressed air through all passages before install.
02. tighten the 2 locknuts and air cleaner connector band screw.
* torque: 0.8-1.2 kg-m
4-l-9. Throttle valve installation (Fig. 4-1, 4-2, 4-3, 4-4)
- The procedure reverses the removal steps:
01. install the jet needle into the throttle valve and secure with the needle retainer.
* Jet needle notch: 4th. Notch (from top to bottom)
02- assemble rubber cover, carburettor cap. throttle valve spring.
03. connect the throttle cable to the valve.
04. install the throttle valve into the carburettor. Align the groove in the throttle valve with the throttle stop
screw.
05. tighten the carburettor cap.
06. inspect the throttle grip free play and make adjustment.
* throttle grip free play: 2-6mm
4-1-10. Fuel tank: refer to part 3-30
4-1-11. Air cleaner cleaning: refer to part 3-06