Zhejiang Qianjiang Motorcycle RKV 200 Service Manual download pdf (Page 25)

Symptom: Too much fuel consumption by the engine Diagnosis procedures

Too much fuel consumption

Check operation method

Lift it by main stand, rotate wheels by hands

1. Check if motorcycle is driven

overspeed or not at economical

speed or driven at low gear; 2.

Check if gasoline grade being

used is correct.

Wheels rotate inflexibly.

Wheels rotate freely.

1. Check braking

drag; 2. Check if

bearing of wheels

are over worn or

injured; 3. Check if

middle spacers in

the hub are missed

or a little shorter.

Check tire pressure

Air pressure too low

Air pressure normal

Gas up as specified.

Check if fuel tank, fuel switch, delivery pipe

or carburetor leaks oil.

Exclude as practice.

Check mixture ratio of combustible gas mixture.

Mixture ratio is normal.

Concentration is too high.

Concentration is too low.

Check if idle speed of engine is too high.

1. Check if air cleaner is

clogged; 2. Check if float

of carburetor is too low;

3. Check if main jet of

carburetor is too big.

1. Check if carburetor

is clogged inside; 2.

Check if float is too

high.

Check and adjust

carburetor.

Use an ignition timing lamp to

check ignition timing of engine

Check if transmission belt

of cluth slips.

Check ignition system.

Yes

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Zhejiang Qianjiang Motorcycle RKV 200 Service Manual Page 25

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