Question about 2004 Yamaha V Star 1100 Classic

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My 1100 V Star is not holding a charge and it is a brand new battery

Posted by Anonymous on


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  • Yamaha Master
  • 42,914 Answers

Hi, Anonymous you need to perform the following tests:
1. Fill acid type batteries to proper levels.
2. Charge battery overnight at 1-2 amps you need 12.5 volts or better after charging.
3. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
4. Hook up battery positive cable, then with your multimeter on the milliamp scale connect one lead to the negative battery post and the other lead to the ground cable. Meter should read 3 milliamps or less, 10 milliamps with a radio, 15 milliamps with radio and CB. If your multimeter reads higher you need to isolate the circuit by pulling fuses and circuit breakers one at a time and observe multimeter for a drop in amperage then get out your test light and track down the short in that circuit.
5. Hook up the multimeter to the battery set it to DC volts and start the engine if multimeter falls below 9.0 volts while cranking you need to perform a proper load test on the battery and replace if necessary.
6. With the engine running at 3600 RPM, the battery should read 14.3-14.7 volts if not continue tests.
7. Unplug the voltage regulator from the alternator at crankcase by the front of the primary cover.
8. To test voltage regulator go to
9. With the multimeter set to the ohms scale, with one lead grounded, touch an alternator pin ohmmeter should read infinity, if not replace the stator.
10. With both leads touching alternator pins multimeter should read 0.1 to 0.2 ohms on 1989 and later models. 0.2 to 0.4 ohms 1988 and earlier models, if not replace the stator.
11. With the multimeter set on AC volts scale, both leads touching alternator pins multimeter should read 16 to 20 volts AC for every 1000 RPM'S 1989 and later and 19 to 26 volts AC for every 1000 RPMS. If not replace the rotor.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
How to diagnose and repair motorcycle charging problems
OEM parts for Yamaha

Posted on Jun 17, 2016


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Posted on Jan 02, 2017

  • 7 Answers

SOURCE: charging system can't keep up with lights 2001 v-star 1100 classi

Hi Dalemcin,
I had simillar problem,
what I did is I checked the level of fluid in battery and noted that it was drain ( probably evaporated, because the weather temp. where I live is above 40 C) so I replenished the battery with destilled water. Now it works perfect.

Posted on Aug 12, 2009

  • 6966 Answers

SOURCE: battery keeps going dead

Hi and welcome to FixYa,

To your query, there are 2 major components of the charging system:

  • stator - left side of the engine itself;
  • regulator - right side, below the seat; would be behind the chrome cover below the battery.

A common problem with a VStar is burned, pitted or corroded terminal pins/connectors from the stator to the regulator.

Good luck and thank you for asking FixYa.

Posted on Sep 05, 2009

  • 345 Answers

SOURCE: 07 yamaha 1100 v star

the mustang seats, do they have different mounting points, is that why they do not fit? If the seat fits on the bike, then mabey you can adjust the mounting points by making up some brackects to bolt to.

Posted on Apr 27, 2010

  • 6966 Answers

SOURCE: 2009 Yamaha V Star 1100

Hi and welcome to the site,

Initially, have the battery load tested and externally charged.

Offhand, check the main fuse. It would be inside the starter relay housing.

Good luck and thank you for asking.

Posted on Aug 03, 2010

  • 8909 Answers

SOURCE: 2002 yahama v-star 1100 does not charge the

Check the regulator and alternator/diode pack. If the regulator is faulty that could be you problem.

Posted on Jan 20, 2011

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1 Answer

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Hi Dalemcin,
I had simillar problem,
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