Zhejiang Qianjiang Motorcycle RKV 200 Service Manual download pdf (Page 52)

* Attention

While removing filter element of air cleaner, please do not run the engine, in case unfiltered air

comes into the engine, which may result in fast wear of some components or damage the engine.

On the other hand, rotation of engine without filter element may affect the carburetor and the

carburetor will not work normally afterwards, which may result in overheated engine. Install filter

element guide, filter element, air cleaner housing cover, stop valve assembly and left protecting

plate.

Spark plug

Disconnect lead wire of spark plug cap.

Remove spark plug with a spark plug wrench or equivalent tool.

Inspection

．If the insulator is cracked or damaged;

．If electrodes are worn;

．Combustion condition and color

—Light grey color means excellent combustion condition.

—Pale color indicates that ignition system fails or lean

fuel/air mixture.

—Wet appearing or dark carbon deposition means higher

fuel/air mixture.

If the above-mentioned appears, please remove them with

spark plug cleaner or wire brush. If necessary, replace the

spark plug.

Visually inspect the spark plug.

If the insulator is cracked or worn, please replace it with a new one.

Spark plug clearance inspection.

Clearance: 0.6-0.7mm

* Attention

Reinstall the spark plug into the cylinder head and tighten it with the specified torque.

Tightening torque：18N.m

Screw the spark plug into the cylinder head first with a hand, and then tighten it with spark plug

wrench.

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Zhejiang Qianjiang Motorcycle RKV 200 Service Manual Page 52