Honda WT20X Owner's Manual page 40

Noise
Model
Sound pressure level
) Tested by prEN12639
(Lp
A
Guaranteed sound
power level (L
Tested by 2000/14/EC
Tune-up
ITEM
Sparkplug gap
Valve clearance
Other specification
)
WA
SPECIFICATION
0.70 0.80 m m
(0.028 0.031 in)
IN: 0.13 0.17 mm (cold)
EX: 0.18 0.22 mm (cold)
WT20X WT30X
92 dB
106 dB
No other Adjustment needed.
WT40X
97 dB 96 dB
110 dB 110 dB
MAINTENANCE
Refer to page 27
See your authorized
Honda dealer
39