Starting or Starter, or starter relay problem Help! - 600RR.net
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post #1 of 15 (permalink) Old 04-14-2010, 06:30 PM Thread Starter
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Starting or Starter, or starter relay problem Help!

SUPP GUYS AND GIRLS I got my bike a few weeks back and realize that it may have a charging problem or a starting problem. I feel strongly that it is the starter gone bad due to the follow reasons.

1. Fully charged battery at 12.69 volt(Cold Temp and Hot temp)

2. Idle charging rate at 13.59-14.1 volt(Cold temp and Hot Temperature)

3. After a 15 mile ride, Battery at 12.8-13.0 volt and charge rate is comparable to above data.

4. Hard start at 200 Degrees (battery Full at 12.9 volts)

5. Experience slow crank


My question is from all the info above do you gusy think it is reasonable to believe that the starter is bad? are there other parts that may contribute to this cause? Please help and offer your opnion

thanks!!!!!
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post #2 of 15 (permalink) Old 04-14-2010, 08:41 PM
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You need one more check... read the battery voltage while starting the bike. A piece-o-junk battery will almost always read 12V when nothing is drawing power from it. What sets apart a good battery from a bad one, is what voltage does it read while pumping 50 amps to the starter motor. Good batteries should really be no less than 11V while a bad one will be lower than that.

If that checks out good, then hold the voltmeter on the starter while starting the bike will let you know if a wire is restricting your power to the starter. A damaged wire will put a tight spot in the current flow. Its like a 3" pipe going down to a 1" and back to a 3". You're only going to get as mush as that 1" pipe allows. So a smashed wire with broken strands will act like the 1" pipe.

If the battery reads above 11V while starting and the voltage at the starter is also above 11V, then look into a new starter. ( which I have one for an '03 - '06 PM me about it if interested)

I doubt that the starter has gone bad though.

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post #3 of 15 (permalink) Old 04-14-2010, 08:58 PM
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check the cold cranking amps and what its rated for then test it and see if it meets the spec
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post #4 of 15 (permalink) Old 04-14-2010, 08:59 PM
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Sounds like a bad battery to me. Voltage can be good, but if the cranking amps of the battery is below spec, the starter will struggle to spin.
post #5 of 15 (permalink) Old 04-15-2010, 12:31 AM Thread Starter
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reason why i think is starter because i did the battery amp check while starting the bike it shows 11.3 Plus.


Reason i think could be a starter due to the bike has 37000 miles. wear and tear i think. How hard to install the starter?
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post #6 of 15 (permalink) Old 04-15-2010, 12:46 AM
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I wouldn't go replacing a starter without being 100 percent sure that its the problem. I'm with the other guys... starters are pretty simple, they either work or they're broke. Any of the wiring getting really hot while trying to start the bike?
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post #7 of 15 (permalink) Old 04-15-2010, 03:19 AM
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thats not the starter, if the starter was gone you wouldnt be able to start
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post #8 of 15 (permalink) Old 04-15-2010, 06:51 AM
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Originally Posted by 2full2ride View Post
reason why i think is starter because i did the battery amp check while starting the bike it shows 11.3 Plus.


Reason i think could be a starter due to the bike has 37000 miles. wear and tear i think. How hard to install the starter?
That's not an accurate way of testing a battery. You need to get the CCA of the battery, not standing amps.
post #9 of 15 (permalink) Old 04-15-2010, 08:16 AM
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My own bet would be on the battery if it turns out to be no good get the MotyDesign
lightweight battery from BrowningBuck she is a beauty but hurry up they are selling like hot cakes here a link to his thread
https://www.600rr.net/vb/showthread.php?t=178059




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post #10 of 15 (permalink) Old 04-19-2010, 10:32 PM Thread Starter
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its not the battery. I was able to start bike everytime it is cold without a hitch. everytime it gets hot it wont crank I think for sure it is the starter.
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post #11 of 15 (permalink) Old 04-19-2010, 10:45 PM
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T just went through this....read the engine build thread....IT'S THE STARTER!!!!!! after 190 degrees the bike would not start even with a car battery. As soon as it cooled down it would start again

IT'S THE STARTER!!!

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post #12 of 15 (permalink) Old 04-19-2010, 10:49 PM
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If a starter is bad, it will not start the bike period.
post #13 of 15 (permalink) Old 04-20-2010, 07:20 AM
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Not true.

We battled this problem for weeks...it's the starter

we changed the battery out with 14amp
replaced all the cables
jumped the stater relay to bypass all the ignition

nothing worked after 180 ish degrees

REPLACED THE STARTER AND IT WORKS GREAT

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post #14 of 15 (permalink) Old 04-22-2010, 07:06 AM
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https://www.600rr.net/vb/showthread.php?t=180235

Like I said it's the starter!

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post #15 of 15 (permalink) Old 04-22-2010, 11:56 AM
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Had the very same trouble last week. (Check my thread just below your thread in this trouble shooting section.) Edit: in fact Doofie has posted a link to my thread above this post...

Mine was a small battery that didn't have enough power to start it when hot. BUT it had been fine for a long time. The actual reason was worn bushes in the starter. When cold it starts fine, but once hot, the internal resistance increases dramatically and you need that extra oomph to start it. In my case replacing the battery sorted it because i replaced it with a bigger one, making it up to the correct size it should've been. Yours if it's the correct size could mean that the starter has got to a worse state than mine and now even the proper size battery won't do it.

Check your battery, is it a 9AH battery? It should be... If it is, get it drop tested for free at any garage. It'll be fine i bet. It's charging and holding etc, it'll be fine, but you can tick the box.

I'd put my wallet on the starter motor.


Bongo

Last edited by BONGO; 04-22-2010 at 11:57 AM. Reason: saw a post above
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