Did u checked pickup's voltage (U need a something that measures peak voltage... Honda # 07HGJ-0020100/ Google the building guides... )? The gap btw flywheel maybe too wide (weak reading) for
generic CDI to work
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According to
http://forum.jorsindo.com/forum.php?...ad&tid=2505924 Typical carb Taiwanese GY6 family: >95v / >1.7v