Brutale 990R: Engine buzzing with contact on - MVAgusta.net
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post #1 of 18 (permalink) Old 09-28-2011, 10:45 AM Thread Starter
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Brutale 990R: Engine buzzing with contact on

Hi guys...
During the last days I am experimenting a strange situation when trying to start on my Brutale.

I move the key to the on position and let the bike makes the checks before start it...but when it finish...you can still hear a buzz from the engine that never stops...it is like a "piii..trrrr...piii...trrr". When pushing the stat button..the bike starts with no problem.

Anybody knows what it is this strange buzzing sound????

Brutale 990R Black '10
Yamaha TMax '11
Husqvarna WR250 '10
(Previous: Honda CR250R '03, Yamaha FZ1 '06, Yamaha R6 '07)
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post #2 of 18 (permalink) Old 09-28-2011, 02:45 PM
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What´s the buzz?

Hi Celica,

my best guess is the injection fuel pump running to keep the fuel preassure up as it assumes you want to start the engine after turning on the ignition.

MV Agusta Brutale 1078
Ducati Sportclassic 1000S
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post #3 of 18 (permalink) Old 09-28-2011, 04:05 PM Thread Starter
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Quote:
Originally Posted by maximustinnitus View Post
Hi Celica,

my best guess is the injection fuel pump running to keep the fuel preassure up as it assumes you want to start the engine after turning on the ignition.
So, in that case, is it a normal behaviour?

Brutale 990R Black '10
Yamaha TMax '11
Husqvarna WR250 '10
(Previous: Honda CR250R '03, Yamaha FZ1 '06, Yamaha R6 '07)
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post #4 of 18 (permalink) Old 09-28-2011, 07:11 PM
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Buzzing...

My 1090rr does it too. It's probably normal...
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post #5 of 18 (permalink) Old 09-29-2011, 03:14 AM Thread Starter
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I have been talking with my MV dealer and they say it is probably the fuel pump, as maximustinnitus previously commented...but...they want to see the bike...maybe because it is not normal...

Brutale 990R Black '10
Yamaha TMax '11
Husqvarna WR250 '10
(Previous: Honda CR250R '03, Yamaha FZ1 '06, Yamaha R6 '07)
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post #6 of 18 (permalink) Old 10-10-2011, 09:42 AM Thread Starter
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I have recorded a video so you can hear the noise we are talking about just in the case somebody has experimented it before...

http://www.flickr.com/photos/[email protected]/6224305432/

Brutale 990R Black '10
Yamaha TMax '11
Husqvarna WR250 '10
(Previous: Honda CR250R '03, Yamaha FZ1 '06, Yamaha R6 '07)
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post #7 of 18 (permalink) Old 10-10-2011, 10:17 AM
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Mine does not do that.

What steering stabilizer is that on your bike

Bikes in the Garage

MV Agusta Brutale RR1090
BMW K1600GT
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post #8 of 18 (permalink) Old 10-10-2011, 12:54 PM
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Um, no...

My 1090 does not do that. There is a high pitched wine, kind of like the high voltage when the TV is on, but nowhere near that. That sounds like the servo motor for the exhaust valve if the 990's have them. Look down on the right hand side of the bike by the exhaust and see if the cables on the servo are moving in unison to the noise...
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post #9 of 18 (permalink) Old 10-10-2011, 01:19 PM
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Doesn't sound correct!

K1300R
Diavel
Pushbike
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post #10 of 18 (permalink) Old 10-10-2011, 03:16 PM Thread Starter
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Quote:
Originally Posted by pete_sd View Post
Mine does not do that.

What steering stabilizer is that on your bike
FGubellini...is the brand that produces the steering stabilizer for MV Agusta Corse.

Brutale 990R Black '10
Yamaha TMax '11
Husqvarna WR250 '10
(Previous: Honda CR250R '03, Yamaha FZ1 '06, Yamaha R6 '07)
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