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7.2 THE SPARK PLUG CHECK
Spark plug is one of the important parts of the engine and it is easy to be checked.
According to spark plug condition. You may infer the situation of the engine. The ideal color of
the electrode should be light brown. If there’s any problem, please ask your dealers to check
for you. Please take off the spark plug after a period of time because it will be corroded &
worn out due to the hotness and dirt for the time being. If happened, please change a new
spark plug.
．Standard spark plug: TR3-50: BP7HS(NGK) or BPR7HS for EEC regulation
TR3-125 & 150
: C7HSA(NGK) or CR7HSA for EEC regulation
．Spark plug gap:0.6~0.7mm
When checking the spark plug, please cleaning the surface of the washer and screw, then
fasten it.
．Torque: 2.0 kgf-m
Note:
If there is no wrench w/torque gauge can be used, please wrenching it by your fingers
turn 1/4~1/2 and later use the wrench to fix it to the standard torque once available.
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