do i need an alternator or a rectifier? - 600RR.net
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post #1 of 16 (permalink) Old 09-30-2010, 09:56 PM Thread Starter
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do i need an alternator or a rectifier?

ok after riding, my battery dies. i could be at the gas station, shut it off to get gas, start it, and the battery is dead. but the bike will sit for a couple of days, and it'll start right up. so something is draining while i'm riding. and if it doesn't kill the battery, the drain wile show by the way it starts.

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post #2 of 16 (permalink) Old 09-30-2010, 10:45 PM
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bad batt. will bet ya $100 take it get it checked it has a dead cell in it

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post #3 of 16 (permalink) Old 10-01-2010, 03:18 AM
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^^ when would you like my PayPal address?

Do you have it on a battery tender while it is just sitting?
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post #4 of 16 (permalink) Old 10-01-2010, 09:00 AM
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U can have mine if u like its n my profile....the batt. Tender doesn't matter if it starts fine and the rides 4 awhile and then it dies after cutting it off the batt has a dead cell just went through the same exact prob about 6months ago

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post #5 of 16 (permalink) Old 10-01-2010, 10:06 AM
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A natter could have a dead cell, but it would also have a dead charging system. A system failure is more likely than a cell failing during a short ride. Starting these bikes is a huge strain on the tiny battery and can easily drain them.
post #6 of 16 (permalink) Old 10-01-2010, 11:02 AM
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Get a multimeter and measure your battery voltage with the bike off, then with the bike running and revving at about 5k.

Is that your bike in your avatar? The headlights look wicked bright--what kind of headlights do you have? If you put in 100 watt bulbs and you're running both high and low beams, you are drawing too much power.
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post #7 of 16 (permalink) Old 10-01-2010, 12:33 PM
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Yea I agree that the charging system could go bad but u usually don't c that till ALOT of miles of alot of turning them on and off....I would start with the easiest being the battery do like ^^^^^^ said and test it or take it off and go 2 advanced of whatever is close buy and have them test it whatever is easier 4u

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post #8 of 16 (permalink) Old 10-01-2010, 12:51 PM
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Quote:
Originally Posted by TillysWilly View Post
Yea I agree that the charging system could go bad but u usually don't c that till ALOT of miles of alot of turning them on and off....I would start with the easiest being the battery do like ^^^^^^ said and test it or take it off and go 2 advanced of whatever is close buy and have them test it whatever is easier 4u
It can happen to a bike with 10 miles. Excess heat at the rectifier will damage it and cause a failure in the charging system.

A lot. A lot. A lot. A lot. A lot. A lot. A lot. A lot. A lot.
Get it? No such word as "alot".
post #9 of 16 (permalink) Old 10-01-2010, 01:04 PM
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The only way to isolate the problem is to get a multi-meter and test the individual parts per the Service Manual. You wouldn't want to spend $100+ on a new battery only to find out its actually the alternator that's the problem.
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post #10 of 16 (permalink) Old 10-01-2010, 04:06 PM Thread Starter
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^^ when would you like my PayPal address?

Do you have it on a battery tender while it is just sitting?
no its not on a tender but i do have one.

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Originally Posted by qqac View Post
Get a multimeter and measure your battery voltage with the bike off, then with the bike running and revving at about 5k.

Is that your bike in your avatar? The headlights look wicked bright--what kind of headlights do you have? If you put in 100 watt bulbs and you're running both high and low beams, you are drawing too much power.
the avatar pic is my car with fx-r retro fitted headlights

Quote:
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Yea I agree that the charging system could go bad but u usually don't c that till ALOT of miles of alot of turning them on and off....I would start with the easiest being the battery do like ^^^^^^ said and test it or take it off and go 2 advanced of whatever is close buy and have them test it whatever is easier 4u
i did that ones, and it said just needed to be recharged. any other time i'm either popped start it or gotten a jump. i have no idea how old the battery is so i'm gonna start there i guess. just thought it was weird that after sitting for 3 days it starts right up, but after riding it, it starts to have issues.

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post #11 of 16 (permalink) Old 10-01-2010, 05:34 PM
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sounds like an alternator problem or you have an electrical leak somewhere. do you have any non-oem parts like HIDs installed? if not installed correctly something like that could cause a drain/leak... also an alarm.

also when you ride - how do you ride it? if you keep the revs really low, the battery won't really get charged so there could be some problems there.
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post #12 of 16 (permalink) Old 10-01-2010, 05:46 PM Thread Starter
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Originally Posted by kuni View Post
sounds like an alternator problem or you have an electrical leak somewhere. do you have any non-oem parts like HIDs installed? if not installed correctly something like that could cause a drain/leak... also an alarm.

also when you ride - how do you ride it? if you keep the revs really low, the battery won't really get charged so there could be some problems there.
no hids or anything like that. when i'm cruising i'm at 5k or 7k depending on where i'm riding

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post #13 of 16 (permalink) Old 10-01-2010, 07:48 PM
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check the output of your r/r with the bike hot. if its failing when it gets hot it may stop the bike from starting. once it cools down the problem will go away.
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post #14 of 16 (permalink) Old 10-01-2010, 08:34 PM Thread Starter
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so if thats the pattern. whats the permanent fix?

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post #15 of 16 (permalink) Old 10-02-2010, 02:16 AM
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mine was doing the same thing if i had a ten min stop it would sound very weak or not start but if it sat there for like a few hours it would start fine. i got a new battery and have not had a problem since.
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post #16 of 16 (permalink) Old 10-04-2010, 06:40 AM
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Check the system voltage once its hot and you will find out if that is the problem, if it isn't then check the battery voltage with the bike off and hot and you will find out which (if either) is causing your problem.
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