No headlight,signal light,tail lights, or speedometer power.
I was riding the bike and it just quit. battery was very warm. let it cool down and it started again but with no power to my lights or speedometer or odometer. also sounds as though it is only running on one cylinder. have narrowed it down to maybe stator or cdi box but would like a second opion. can anyone help me out. thanks.
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The 100 watts may be running the battery down. quickest test is put a standard bulb back it and see if the problem persists.
If the battery is a few years old it wont help things.
If you wire to the battery dont forget a fuse, or risk burning your bike down.
Could be bad brake light switch but turn signals involved so? Has to be bad ground.Light sockets corroded bad wiring thru fender mounting bolts in tail light assembly broke but corroded in place,not a good ground.Has to be simple cause bike runs.
The turn signals are controlled by a "turn signal controller" that is located just under the dash on your bike. If heat is the problem, you may have to purchase a new unit.
To test, see if you can get the cover off that covers the split in your tanks just below the dash. You should be able to see the unit with that removed. If so, buy a small can of electronic component cooler at at Radio Shack or somewhere. Ride the bike until the turn signals quit. Give the controller a quick shot of the component cooler. If the signals immediately start back working, this is indeed your problem. You can either try to figure a way to keep the unit cooler or replace the unit. Cost is about $150 last time I purchased one. Good Luck.
Your battery is most likely the cause. The tail light and dash light do not draw much juice from the battery. However the headlight and starter are a different story. Are you absolutely sure you turned everything off before you took your break? If you are and you don't ride your bike a lot you should get a trickle charger for it. Use it when not riding. It will prevent you battery from completely losing it's charge thus protecting the battery. If you do ride often then you should have the battery tested. You may need a new one. Remember that once a battery has been drained too low, permanent damage can occur.
The YZ is a dirt bike as is. The WR is a street bike and has more accessories on it.
Remove the body parts you do not want to get broken. Turn signals, tail light, speedometer, tachometer and mirrors are the main things. Fenders and headlight are possibilities also but the fenders tend to keep mud off the the engine and your body while the headlight allows you to ride at night.
Change to a larger rear sprocket. Two or three teeth will make a difference. This will make the bike to " quicker " off the line and out of turns and provide more torque than stock. Top end is a bit slower but with all the twists and turns you seldom get to top speed anyway.
Get a heavier flywheel. Yamaha has one but the cost is about $105.00. An aftermarket flywheel may be an option that would cost less.