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Weak spark lyfan 110cc

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Old Jun 3, 2024 | 11:14 PM
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BrokenSled's Avatar
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Default Weak spark lyfan 110cc

It won’t start, but I can see a small spark from the plug when I put it on the head.

Does anyone know what my readings should be on my coil? (It has one input and one output)

what readings should I have on my stator? It has two wires coming out of it, black/red(power) and blue/white(pulse).

should I have a resistor plug/cap?
 
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Old Jun 3, 2024 | 11:24 PM
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BrokenSled's Avatar
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Default My readings

Primary side of coil: .8 ohms
secondary side: 2,220 ohms
(this is a new coil that I ordered)

stator black/red(power): 169 ohms
stator blue/white(pulse): 104 ohms
(I think this is the problem?)

I have bypassed the kill switch.

I put on a new CDI
 
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Old Jun 4, 2024 | 02:38 AM
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From: Lancaster England
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Just checked the "help diagnose stator" sticky and it gives generic 150 ohms for pulse and 450 ohms for power, however ohming out doesn't tell you much unless you know exactly what it should be for your model. Better is to check voltages when cranking. It is also rare for a bike not to give a good enough spark. They usually either spark, or don't, so be very sure the problem isn't the carb or low compression, before going down the fit new ignition parts rabbit hole.
 
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