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Old 10-13-2014, 01:29 PM   #2
kz1000st   kz1000st is offline
 
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Join Date: Oct 2008
Location: Hyde Park, NY
Posts: 1,228
The first place to start, if you suspect the regulator, is at the battery. Without the engine running there should be about 12.5 volts at the battery, with the engine running there should be 13.5+ volts at the battery. If you have the correct voltage at the battery the best thing is to start at the headlight plug and work backwards through the wiring. It could be a broken wire (been there) or connector pulled loose or even a bad ground. Heck, it could even be a bad headlight bulb. Using a volt/ohmmeter to check for voltage and continuity is about the only way to find an electrical problem.
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2021 Dong Fang Super 200- 1,161 miles
1991 Honda Nighthawk 250- 17,443 miles
2009 CF Moto Fashion- 18,608 miles
1983 Kawasaki 750 Spectre- 47,113 miles
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That's 30,049 China Scootin miles and Counting.
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