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Northern Pride

Like riding a buckin bronco!

15 posts in this topic

So i have a tusk street legal kit on my 2008 wr450 and i wired the headlight directly to battery, couldnt get it to work with new kit or old plug. I put a ricky stator in it after i kept draining the battery and it ran great for about a month but today during the end of a 2' hour ride, mostly 1st to 3rd gear, it started misfiring, popping and back firing while i was on the main road going home in 5th gear. I also lost my blinkers, headligh very dim and could barely hear the horn. Do you guys think its the battery? I have no idea how old it is, it came with the bike and i did drain it about 3 times. Do these bikes run crappy with a dead battery? It will idle fine but starts acting like crap when i give it throttle, like its miss firing or not igniting. Thanks

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It drained three times and you are not sure if you should replace it?

 

REPLACE IT

 

Whether that is the total cause of your problem remains to be seen, but you need to service the electrical system:

Clean the harness points

Clean the ground points

Do a Stator test

Replace the battery with a Li ion

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The headlight isn't supposed to be directly wired to the battery on those bikes. At least none of mine are done that way but it sounds like you have a bad battery.

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Charged the battery over night, tested at 13.54 I then ran the bike and reving it, the numbers did not increase. Still back firing and missing. Stator or rectifier is my guess. I will check all connections to the ricky stator. Any ideas?

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Found a cooked fuse under the seat, should of checked that first. Replaced it and good to go. Think directly wiring the stock headlight to battery can cook it? How many watts is the stock head light?

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My WR is an 03, I don't know what was changed. 

 

From the factory, it ran lighting on AC. When the street legal kit was installed, the lighting was changed to run off the battery. However, my charging system wasn't changed. The stock lighting will pull more power than the DC side of the system can provide, and when the battery is dead it'll start running poorly - the rpm that it'll run at will decrease over time. 

 

The right way to fix it is to float the ground and install a DC only R/R. The lazy way I fixed it for now is to run LEDs front and rear. 

 

As I said, I'm not sure that this applies to you.

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My WR is an 03, I don't know what was changed. 

 

From the factory, it ran lighting on AC. When the street legal kit was installed, the lighting was changed to run off the battery. However, my charging system wasn't changed. The stock lighting will pull more power than the DC side of the system can provide, and when the battery is dead it'll start running poorly - the rpm that it'll run at will decrease over time. 

 

The right way to fix it is to float the ground and install a DC only R/R. The lazy way I fixed it for now is to run LEDs front and rear. 

 

As I said, I'm not sure that this applies to you.

Thanks, i am going with an led headlight, eliminating stock. Led is 18w, hardwires directly to the battery. I should be ok right?

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You still ought to check with a multimeter and verify that it isn't draining. I think available power is around 30-35W on the DC side. The LED taillight shouldn't use much, so you should be ok... I think. 

 

As I said, this isn't the right way to do it but it seems to work.

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Running is more important, that'll tell you what the charging system is doing.

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