Vari xp-200, User Manual

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VARI XP-200
5.6.5 Spark plug service
Recommended spark plugs: F6RTC and F7RTC
NOTE:
An incorrect spark plug can cause engine damage. Special spark plug wrench is provided and should be use
•
Disconnect the spark plug cap, and remove any dirt from around the spark plug area.
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Remove the spark plug with a 13/16- inch spark plug wrench.
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Inspect the spark plug ,replace it if the electrodes are worn, or if the insulator is cracked or chipped.
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Measure the spark plug electrode gap with a suitable gauge, the gap should be0.70-0.80 mm (0.028-0.031 in ), correct the gap if
necessary , by carefully bending the side electrode.
•
Install the spark plug carefully, by hand , to avoid cross-threading
•
After the spark plug seats, tighten with a 13/16-inch spark plug wrench to compress the water. If reinstalling the used spark plug,
tighten 1/8 1/4 turn after the spark plug seat. If reinstalling a new spark plug, tighten 1/2 turn after the spark plug seat.
NOTE:
A loose spark plug can overheat and damage the engine.
Over tightening the spark plug can damage the threads in the cylinder head.
•
Attach the spark plug cap.
5.6.6 Idle speed adjustment
•
Start the engine outdoors, and allow it to warm up to
operating temperature.
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Move the throttle lever to its slowest position.
•
Turn the throttle stop screw to obtain the standard idle
speed, standard idle speed is 1520±152 ot/min.
5.6.7 Spark arrester service (optional equipment)
Your engine is not factory-equipped with a spark arrester, In some areas, it is illegal to operate an engine without a spark arrester,
check local laws and regulations, A spark arrester is available from authorized servicing dealers.
The spark arrester must be serviced every 100 hours to keep it functioning as designed.
If the engine has been running, the muffler will be very hot, allow the muffler to cool before servicing the spark arrester.
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0,7 – 0,8 mm