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6-9

FUEL SYSTEM

INSPECTION

● Check the carburetor insulator O-ring for wear or

damage.

● Install in the reverse order of removal.

PILOT SCREW ADJUSTMENT

USING THE EMISSION ANALYZER (CO,HC)

● Open the seat and remove the center cover.

① Turn the pilot screw clockwise until it seats lightly,

then back it out to the specification given(1½).

② Warm up the engine to operating temperature (60℃).

③ Adjust the idle speed with the throttle stop screw.

IDLE SPEED : 1,700

±±

100RPM

④ Extend the hose (60Cm) at the tail pipe, and insert the

probe of the emission analyzer to the tail pipe, and

adjust the pilot screw with a ⅛

, the Co to became

3~4%.

⑤ Adjust by the throttle stop screw, repeat steps ④ and

⑤ until accord the idle rpm (1,800rpm) and the Co

(3~4%).

O-RING

EMISSION ANALYZER

MUFFLER

PILOT SCREW

THROTTLE STOP SCREW

Before adjustment the pilot screw, check the

following items.

- Fuel system electrical system for troubling.

- Do not force the pilot screw against its seat ;

The seat will be damaged.

- Spark plug for cleaning and gap adjusting.

- Valve clearance for adjusting.

- Emission analyzer for correction.

Exhaust gas contains poisonous substance.

Do not adjusting for a long period of time in a

closed, or poorly ventilated area.

NOTE

Brand	DAELIM
Model	B-BONE
Category	Scooter
Language	English

DAELIM B-BONE Service Manual

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