Question about 2003 Yamaha YZF-R1
Hi, Rudy and the usual suspects are:
1. Excessive electrical "HEAT" aka "AMPERAGE" melts the varnish
insulation causing the coils to short out.
2. Overheating due to a faulty voltage regulator.
3. Voltage regulator not properly grounded.
4. Loose rotor magnets or stator bolts.
5. Faulty starter relay.
6. Old battery dead cell loose or corroded cables.
7. Faulty wiring in the charging circuit.
8. Excessive wattage in a batteryless system.
9. Aftermarket parts are usually substandard.
10. Headlight not designed for a motorcycle system.
Some bikes have charging systems that get the job done but just barely and will have the most failures, you can upgrade the system with quality parts and a higher output. Relocating the voltage regulator to a spot more conducive to air flow will help immensely. Regular wiring system checks for corrosion chaffed wires, rerouting harnesses that run too close to heat sources ie. cylinders-exhaust etc. is great preventive maintenance to avoid those breakdowns in the middle of nowhere at 2 in the morning.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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Posted on May 02, 2017
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Posted on Jan 02, 2017
HEY BUD, THERE IS ONLY ONE WAY TO PULL THE STATOR ALL BIKE COMPANIES MAKE A PULLER JUST FOR THIS PURPOSE. YOU SHOULD INVEST IN ONE THEY ONLY COST 20 TO 30 DOLLARS AND IS A LOT CHEAPER THEN THE STATOR IF TRIED ANY OTHER WAY
Posted on Aug 19, 2009
Testimonial: "thank you do u know where i can get that tool "
SOURCE: 2003 Yamaha R1... Replaced the
ill bet you have a alternator that is grounded out not so much the armature
the archer witch is the out side peace more than likely on the passenger side
you can see it thrue the side cover i will try to find a pic
Posted on May 28, 2011
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