Question about 2000 Yamaha V Star 1100 Custom
I have installed a new battery, but the battery slowly dies after riding for few hrs..never died while riding before, but once stopped, the battery does not have enough power to restart.... tested battery and the charge capacity does not go up...which part needs replacing for the baetrry to charge while riding. The battery is simply not keeping its [email protected]
SOURCE: Electrical problem
Hi and welcome to FixYa,
Initially, pls try recharging the battery again. Remove the connector to the voltage regulator. Start/run the bike. If it lasts more than "3-5 minutes" then you have just confirmed a defective regulator. The voltage regulator would look something like below image.
This page may give you additional insight.
Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.
Posted on Nov 25, 2008
The old battery must have shorted out internally. That is why it went dead out of the blue.
Here are my thoughts, in random order, on other possibilities >
Posted on Jun 12, 2009
Are you saying that the battery still discharges when you run with the lights on?
Assuming that the battery itself is good (has it been replaced?) then you may have a problem with the stator.
Start by measuring the voltage across the battery with the engine running and with the lights on - if it is less than 13.5V, then there is still a problem with the charging circuit.
If it does measure that (or better) then your battery is unable of sustaining a charge and should be replaced
You can find some helpful daignostics in this personally authored guide
http://www.triumphrat.net/speed-triple-forum/104504-charging-system-diagnostics-rectifier-regulator-upgrade.html - it applies to any motorcycle witha similar 3 phase generator system.
Posted on Aug 15, 2009
Assuming you can get it started after charging the battery, put a volt Ohmmeter on the battery with the engine running around 3000 rpm. The reading should be around 14 volts. If it is, then the stator is fine. It is on the left side of the bike under the cover.
There may be a loose / dirty connection somewhere on the bike. Remove the seat and gas tank to gain access to the wiring harness. Get a volt Ohmmeter as you may need to check continuity at some point. Start at the battery, then fuses and the wires connecting to the fuses. Inspect for burned wires, abraded wires, loose and/or dirty connections, bad connectors and loose wires. This means the mass of wires inside the headlight must also be inspected. Check the handlebar kill switch and the side stand kill switch as well. Go all the way to the ignition system. Check the key switch. Put it on "run" and check for power through the switch as you jiggle the wires. Find the bad connection and you should be able to fix it.
Can I get a “very helpful” rating on this answer?
Posted on Sep 02, 2009
Testimonial: "Thanks for the assistance, it was exactly what i needed to know"
These parts are fairly reliable. Rather than buying new, you should be able to pick one up from a motorcycle breaker who will post it to you. I would expect to pay about £60-£100 tops in the UK (Depending on mileage). ANy Yamaha dealer will be happy to order you one new, but they are a hell of a price!
Posted on Oct 09, 2009
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