Think lighting coil is fried!!

nambo-trev

nambo-trev

New member
Does anyone know the resistance of the lighting coil in the stator?? I think mines fried as I'm putting out 27-30v then ramps down to 9 at idle but would like to verify on the coil.
 
I was going to pull the flywheel and check the coil itself. I'm checking the ac voltage off the headlight because they just kept blowing and it's all over the map. Do you know where the voltage regulator is on these bikes? I'd like to test that before I pulled the flywheel. It's running around 28-30v then falls to around 9v so the stator is putting out that's why I was thinking regulator
 
I was going to suggest the regulator. I have no idea where its located, but the volts you listed make sense in theory. I'm pretty sure the lights should only be receiving 12V there abouts. At least thats how it was on my Yamaha. When the reg crapped itself same thing. Brightness would go up with throttle till it blew. The dropping voltage at idle is normal and you'll notice the light dim a bit. Thats just the nature of the beast and not having a battery.
 
Just checked the fiche and then my bike. Regs located down behind the RHS rad on the frame, just next to the ignition coil. I'd be checking voltage before and after. The same part is shared between 200/250/300 so should be easy enough to check on a mates bike or swap it out to confirm. ;)

Double checked bulb - HS1 12V35-35W HALOGEN BULB. Not surprising its blowing if its getting 30V.
 
Jakobi said:
Just checked the fiche and then my bike. Regs located down behind the RHS rad on the frame, just next to the ignition coil. I'd be checking voltage before and after.
Click to expand...

On my 06, the regulator is attached to one of the ignition coil screws.
There is no "before and after", the regulator is connected directly in parallell with the lighting coil and will regulate / reduce the voltage on the yellow wire from the lighting coil. So if you measure 30V here, your lighting coil is probably OK, but your regulator is either broken or disconnected in one end (to the yellow wire or to ground).
 
I'm going to try a new regulator this afternoon, I see the quick connect up too the main harness but loose it when it goes in, are you saying it's wired right back to the coil itself?
 
Its wired directly to the lighting coil, yes.

Sent from my OMNIA7 using Board Express
 
I have the OEM regulator off my 2010 if you need it. I put a Trail Tech Regulator/Rectifier on my bike when I dual sported it.
 
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