Brutale 920 Hates the Wet.... - MVAgusta.net
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post #1 of 24 (permalink) Old 05-01-2019, 02:58 PM Thread Starter
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Brutale 920 Hates the Wet....

Hello everyone, Sorry to be introducing myself to many of you this way but I'm stumped (that isn't difficult) My Beautiful 2011 Brutale 920 really dislikes the British weather.
Last week she sat out in the rain for a while and then on starting misfired like a choking Gorilla... And was even worse when I went to pull away at which point she stalled almost throwing me off like an angry donkey.
I left her to dry out the following day and her condition returned to normal.
Today we had a little rain whilst she waited patiently for me at work and then once again when I went to fire her up she again misfired and continued to do so throughout the short 7 mile journey home.
Any ideas to what may be causing this? I've got a can of ACF50 and a plan on adding extra rain protection to the bikes electrical components but it would be handy to have a better idea of what could cause this.
Many thanks in advance


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post #2 of 24 (permalink) Old 05-01-2019, 03:44 PM
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Quote:
Originally Posted by BicesterBrutale View Post
Any ideas to what may be causing this?
Just a guess, but I would say leaving out in the rain is causing it.

Seriously, I have no idea but welcome to the forum. Someone who has had similar experiences will probably offer constructive suggestions.

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post #3 of 24 (permalink) Old 05-01-2019, 03:57 PM
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Welcome to the forum. Might I suggest a waterproof cover with a built in heat shield for the exhaust. Other than that I'm sure others will chime in. If you do end up using a cover try to figure out a smart way to transport it. Maybe... if you can... get two covers and leave one at work for those surprise storms. A PITA but maybe necessary.

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post #4 of 24 (permalink) Old 05-01-2019, 04:13 PM Thread Starter
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Thanks peeps, I'm not a fair weather rider and this bike will have to endure everything the British weather can throw at it including Snow and frost... An impossibility for a touchy Italian?? It'll be coming with me kicking and screaming... Surely a little rain shouldn't do any harm?? Looks like I've got a fight on my hands. 🙈


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post #5 of 24 (permalink) Old 05-02-2019, 05:38 AM
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Sorry cannot help with the error but my 920 has spent it's life in all weathers with no issues as far as running is concerned, might take a few attempts to start it though.

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post #6 of 24 (permalink) Old 05-02-2019, 05:40 AM
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There are three places I would check for water intrusion: The main ECU harness connection, the fusebox, and the dash connection.

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post #7 of 24 (permalink) Old 05-02-2019, 06:30 AM
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Originally Posted by silentservice703 View Post
There are three places I would check for water intrusion: The main ECU harness connection, the fusebox, and the dash connection.

Is the right answer.


I'm a few junctions up the M40 from you (assuming your forum name includes your actual location) and it's not exactly been biblical rain recently so I would suggest that the issue will be visible as only a little rain is causing problems.


If not immediately visible and you are able, get the bike somewhere dry, covered and well ventilated and run it up. Then use a plant sprayer or similar to mist the above electrical components 1 by 1 to narrow it down.
cruiser and esq'z me like this.

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post #8 of 24 (permalink) Old 05-02-2019, 06:38 AM
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Also -- what about ignition systems? -- Coils - leads .. etc...

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post #9 of 24 (permalink) Old 05-02-2019, 07:26 AM
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could it be something silly like the plug caps are not pushed fully home and filling with water?
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post #10 of 24 (permalink) Old 05-02-2019, 10:07 AM Thread Starter
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Originally Posted by noggin View Post
Sorry cannot help with the error but my 920 has spent it's life in all weathers with no issues as far as running is concerned, might take a few attempts to start it though.
Thankyou... Garage trying to tell me it's Italian and therefore should spend its life under a blanket but seeing as there seems to be no one else with this problem I'm guessing it's just mine.


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