Honda ANF125 Owner's Manual page 127

ENGINE
Bore and stroke
Compression ratio
Displacement
Spark plug
Standard
For extended
high speed riding
Spark plug gap
Idle speed
Valve clearance (cold)
52.4 57.9 mm (2.06
9.3 : 1
124.8 cm (7.61 cu-in)
CPR6EA 9 (NGK)
U20EPR9 (DENSO)
CPR7EA 9 (NGK)
U22EPR9 (DENSO)
0.80 0.90 mm (0.031 0.035 in)
1,400 100 min (rpm)
Intake 0.10 mm (0.004 in)
Exhaust 0.10 mm (0.004 in)
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2.28 in)
or
or
117