trouble restarting, only when hot - MVAgusta.net
 
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post #1 of 9 (permalink) Old 11-19-2013, 10:54 AM Thread Starter
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trouble restarting, only when hot

I have a 2006 Brutale 910s. Anytime I ride the bike and then try to restart shortly after turning it off....the bike sounds like it has a dead battery, and does not want to crank over. I get all the lights lighting up, and it tries to do something, but I mostly hear a loud clunk, no usual cranking noises. This only happens when the bike is hot, and when i try to restart after running.

The battery cranks fine when the bike is cold, or after I wait a while. I checked the side stand interlock, and it is not the thing that is preventing a restart. My SPU has been updated.

Any ideas?

06 Mv Agusta Brutale 910
08 Ducati Hypermotard S
13 Husky Terra 650
2 Italian, 1 American, and 1 German car
1 Orbea Onyx (Basque) bike
Push lawnmower (to reduce above carbon footprint)
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post #2 of 9 (permalink) Old 11-19-2013, 11:50 AM
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Sounds like a weak battery.
In store/dealer/service measure the condition of the battery under load, not the voltage (V) Current (A), or you can try to jump start the battery of your car.
If it starts normally on jumo pstart then it is almost certain the battery, if it does not start then check the fuses (contact) and connection to the starter.
If all connections are clean and secure but still does not start, check the ignition relay (bridge at least 10 mm).
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post #3 of 9 (permalink) Old 11-19-2013, 12:30 PM
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I believe I've seen a thread in the maintenance section of the forum on the bike not being able to deliver enough power to run the fans and start the bike if it's hot, so it gives up. I think heavier battery and starter wires are added and it fixes the issue. Do a search on it and see what you find, though hopefully someone who's done it or knows the thread might chime in and save you some time

Speed is relative, but fast is fast.

- 2011 brutale 1090R (Matte pearl white/Black)
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post #4 of 9 (permalink) Old 11-19-2013, 01:02 PM Thread Starter
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This sounds very plausible. Fans add to the load, and the battery peters out. Otherwise...the hot/cold starting difference was hard to reconcile.

I have seen threads where folks had good luck with the Shorai. I might try that.


Quote:
Originally Posted by Reckler View Post
I believe I've seen a thread in the maintenance section of the forum on the bike not being able to deliver enough power to run the fans and start the bike if it's hot, so it gives up. I think heavier battery and starter wires are added and it fixes the issue. Do a search on it and see what you find, though hopefully someone who's done it or knows the thread might chime in and save you some time

06 Mv Agusta Brutale 910
08 Ducati Hypermotard S
13 Husky Terra 650
2 Italian, 1 American, and 1 German car
1 Orbea Onyx (Basque) bike
Push lawnmower (to reduce above carbon footprint)
v12gte is offline  
post #5 of 9 (permalink) Old 11-19-2013, 05:28 PM
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Change all battery leads for descent type first 3 in total. The earth , the positive to the Solonoid , the lead that goes to the starter motor, should cost you no more than 50. Dollars
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post #6 of 9 (permalink) Old 11-19-2013, 05:29 PM
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I had the same issue , only took me 4 years to solve after changing every other bloody part
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post #7 of 9 (permalink) Old 11-19-2013, 06:45 PM Thread Starter
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where I can get "better" battery cables? Nothing coming up in the forum search or ebay.

BTW, I picked up the heavier duty battery from Motowheels (Shorai LFX19A4-BS12)

Thanks to all.

Quote:
Originally Posted by eddypro View Post
Change all battery leads for descent type first 3 in total. The earth , the positive to the Solonoid , the lead that goes to the starter motor, should cost you no more than 50. Dollars

06 Mv Agusta Brutale 910
08 Ducati Hypermotard S
13 Husky Terra 650
2 Italian, 1 American, and 1 German car
1 Orbea Onyx (Basque) bike
Push lawnmower (to reduce above carbon footprint)
v12gte is offline  
post #8 of 9 (permalink) Old 11-20-2013, 02:32 AM
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I've had the same simptoms and my battery was new. Checked the starter motor, the alternator, than I saw the thread about the battery leads.
You have to buy the cable and the connectors and make the leads yourself or ask an electrician to do it for you. I don't think you'll find a plug&play kit for our bikes. The cable and connectors are on ebay or a specialized electric parts website/store. They're very common parts. I bought mines from here http://www.vehicle-wiring-products.e...tterycable.php.
No problems with hot starting ever since.

Cheers,
Laur.
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post #9 of 9 (permalink) Old 11-20-2013, 04:33 AM
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Just ask a auto electrician cost me 30 dollars. They will make new ones for you but heavier.
Cheers eddy
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