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post #1 of 10 (permalink) Old 07-17-2019, 06:28 AM Thread Starter
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Hello

Hi everyone,

New here. Just bought a 1090rr and we’ll i have some issues with it haha. Thought I’d seek some advise. Happy to be here. ^_^

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post #2 of 10 (permalink) Old 07-17-2019, 06:41 AM
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Welcome to the family !!! Where in the world are you? Please add your location to your profile.

1090RR is a great bike...what kind of issues do you have?

I used to be fast....now I just dream about it.
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'08 910R (Gina), '04 F4 SPR #275 Track Bike (Lola), YSR50 (The Rabbit), '71 CB100 (Lil' Red), '75 RD350C (Orange Bird) restoration project, '70 Suzuki F50 (Baby Blue)
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post #3 of 10 (permalink) Old 07-17-2019, 06:53 AM Thread Starter
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Hey,

Thanks for the welcome. I’m from Australia. I love the bike and have always wanted an MV Agusta. They are my dream bikes and I think they are amazing.

The issue I face needs a bit of prelude to make it easier to explain.

• Purchased the bike second hand on Saturday
• Dealer said battery was dead because hadn’t been ridden in a while. Fair enough. Charged it it worked. Super happy
• took it out that night, rode it.
• put the bike on charge at home just to insure that it is properly charged.
• took it for a ride the next day did roughly 177km on it. Good ride, very enjoyable haha. No issues.
• 2 days later (Tuesday) showing someone the bike go to start it, won’t tick over. Mmm strange. Put it on a trickle charge for 24hrs
• today start the bike and take it for a 20 minute ride works like a dream.
• 1-2 hrs later attempt to start the bike again as I had to go out, bike tries to kick over but appears to die and dash reboots by the looks of it. I can hear the engine re-pressurise, ok strange bike was just working.
• attempt to start again doesn’t even attempt to kick over but dash appears to reboot and I hear the engine re-pressurise again.

After talking with some people they suggest it could be a faulty battery or at worse a faulty alternator. I really hope it’s just the battery but it’s 21:45 here so can’t really do much testing. I have it back on charge atm so that tomorrow afternoon I can go get it checked at my local battery shop.

What I’m hoping for is to be able to get any suggestions as to what could be the issue or what I can do to resolve it ^_^

Thanks heaps,
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post #4 of 10 (permalink) Old 07-17-2019, 07:27 AM
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First let me welcome you to the forum!

This is certainly a battery issue from sitting without being on a maintenance charger.

Replace it with a quality YTZ10S unit from Yuasa or an equivalent. Be mindful of polarity and the number of wires attached to each terminal.

While you are in there, determine and clean and tighten the connections, both spade and bolted, on the start solenoid. It is located directly behind the battery box.

You can get your manuals free from here: Team Double 3 Racing | MV Agusta

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post #5 of 10 (permalink) Old 07-17-2019, 07:48 AM
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Hello & Welcome

I hope you sort out the problems soon.
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post #6 of 10 (permalink) Old 07-17-2019, 08:56 AM
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Yep....your battery is toast !! If it was the charging system you wouldn't have gotten far on any of those rides you took.

I used to be fast....now I just dream about it.
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post #7 of 10 (permalink) Old 07-17-2019, 02:54 PM Thread Starter
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Hey,

Thanks for the welcome. I am sorry about the delay in response as I went to bed.

I really do hope it’s just the battery. As you said I wouldn’t have made it that far if it was the charging. Besides I don’t recall the alternator/magneto light coming on during any of these situations. I’ll let you know how I go with it.

Also any suggested topics to look at or just anything in general?

Thanks,
Vh0x
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post #8 of 10 (permalink) Old 07-20-2019, 05:11 AM
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MVAgusta's must have some shitty power drain with the ignition off.
doesnt the ecu go into deep sleep.
Has anyone measured the current draw with ignition off. then ignition off 10min later.
Other thing is small battery will charge fast and thus provide more cranking amps.
Where a large capacity battery will never get right up to full charge and quickly under perform constantly at cranking amperage .
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post #9 of 10 (permalink) Old 07-20-2019, 08:10 AM
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All modern bikes (and all cars) have a key off current draw... The clock in the dash as well as any data that is not "bubble memory".

Most bikes have draw of a few millivolts. Cars have much larger batteries, so they do not discharge while sitting as quickly as motorcycles do. The smaller the battery, the less capacity, the faster the discharge rate.

This is why people who understand what is happening keep their bikes on maintenance chargers when not riding.

The Yuasa batteries in all my bikes last many years. 8 years on my 910R which is the most recent exchange (2 years ago).

I used to be fast....now I just dream about it.
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post #10 of 10 (permalink) Old 07-20-2019, 10:41 AM
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Quote:
Originally Posted by Say10 View Post
MVAgusta's must have some shitty power drain with the ignition off.
doesnt the ecu go into deep sleep.
Has anyone measured the current draw with ignition off. then ignition off 10min later.
Other thing is small battery will charge fast and thus provide more cranking amps.
Where a large capacity battery will never get right up to full charge and quickly under perform constantly at cranking amperage .
Battery capacity and CCA are set by the chemical composition of the battery. Physical size matters as does the chemical composition. Small physical size does not equate to “quick charging”.

A six cell battery puts out 13.2 Vic and capacity is set by volume.

Additionally, CCA and total amp-hours are set by physical size and chemical composition.

Buying a small battery is inherently bad advice,

Buy a good battery, do an initializing trickle charge for 24 hours PRIOR to first use and use a maintenance charger when the bike is stored.

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from OCTOBER 2-6, 2019

Call (423) 519-2000 or (423) 253-6213 to reserve your Riverfront Cabin. PM me for The Crow's Nest reservation!!!

Email/Paypal:
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My personal Cell Phone: (781) 223-3020


'07 F4 312R, '10 B4 1090RR, '15 B3 800RR
'07 Ducati Monster S4Rs, '07 Ducati Monster 695
2010 Harley Davidson Ultra-Classic Electra-glide CVO FLHTCUSEBLK
'63 Honda C100A Cub
'61 MVA TRA 125
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