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1. Removing spark plug with a spark plug wrench.
2. Inspect the spark plug visually. If spark plug is worn, dirty or has cracks,
replace with the recommended type and heat range.
3. The correct air gap is 0.70 to 0.80mm (Fig Q)
4. Tighten the spark plug.
5. After spark plug is tight; torque to 25-30N.m.
WARNING! An incorrectly tightened spark plug may result in poor engine
performance and permanent engine damage.
COMBUSTION DEPOSITS
We recommend that you should remove combustion deposits from the cylinder
head, top of piston, and around valves after every 100-300 hours of usage.
MUFFLER
WARNING! If engine just running down, do not touch muffler. Allow it to
cool before operation.
TRANSPORTING AND STORAGE
When storing engine for more than 30 days.
1. Store in a dry and clean area.
2. Run engine until fuel tank is empty and engine stops or add gasoline
preservative and running engine after adding for several minutes.
WARNING! Gasoline is flammable. Fuel or fuel vapors may explode. Keep
sparks and open flames from the working area.
3. Change engine lubrication oil.
4. Clean the exterior surfaces of the engine.
5. Remove spark plug, pour one teaspoon of fresh engine oil into cylinder.
Re-install spark plug without the spark plug wire attached. Pull starter rope
Fig Q
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