Problem starting when engine hot/warm on my Brutale 1078 - MVAgusta.net
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post #1 of 37 (permalink) Old 06-05-2018, 08:10 AM Thread Starter
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Problem starting when engine hot/warm on my Brutale 1078

Problem starting when engine hot/warm on my Brutale 1078. Kinda stuttering. Battery only couple mths old, and it only happens when the engine is hot/warm.. cold starts in the morning is fine.. weird

i'll be bringing it to the shop soon.. any pointers would be good.. thx in advance


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post #2 of 37 (permalink) Old 06-05-2018, 08:18 AM
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Check the connections at the START SOLENOID for cleanliness and tightness. Located directly behind the battery.

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post #3 of 37 (permalink) Old 06-05-2018, 12:09 PM
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If you find that cleaning your connections solves your issue, you can disregard this. I had starting issues similar sounding to yours on hot starts and also very difficult starting when cold out, less than 50F was a 50/50 chance, on my 910R. I made some uprated battery cables for the battery ground and from the battery to the starter and it was a night and day difference. Something to consider if the issue persists.
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post #4 of 37 (permalink) Old 06-06-2018, 04:58 PM
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I took all of the connectors out of the connector housings and soldered them to each wire,
then put back in the housing added some deoxit 100 to each connection works well .

Also added the thicker primary wire kit sold on this site cracks faster when warm
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post #5 of 37 (permalink) Old 06-07-2018, 01:09 AM
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The battery cables are the issue for hot/warm start problem. You should replace them with the upgraded ones or make them yourself/have a shop to make them. I've had the same problem with my 910R Brutale and after changing the cables the problem is gone.
You should find some threads abou it on here.
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post #6 of 37 (permalink) Old 06-07-2018, 03:33 AM
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The 1078 brutale is a bitch for this ,still haven't completely solved the problem after changing half the gear on the bike , number 1, the heavy battery leads is a must, no2 change to lithium battery with a big cranking capacity , i have cleaned all connections but still on occasions it happens , I have changed , ECU,CAM SENSOR ,AIRTEMP SENSOR , CRANK SENSOR , iF YOU EVER FIND THE PROBLEM PLEASE ADVISE ME . GOOD LUCK .
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post #7 of 37 (permalink) Old 06-07-2018, 03:37 AM
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ps:The battery and new leads made a huge difference but still has not solved it completely ,It was bloody dangerous if you stalled in traffic ,Yep your video is spot on .
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post #8 of 37 (permalink) Old 06-07-2018, 01:41 PM Thread Starter
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Originally Posted by eddypro View Post
ps:The battery and new leads made a huge difference but still has not solved it completely ,It was bloody dangerous if you stalled in traffic ,Yep your video is spot on .
I've actually stalled at the lights a few times already.. dats why going to the shop now.. the last incident a wk ago was right in the middle of an intersection while waiting to turn, it stalled and i was blocking traffic after the lights changed.. last straw
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post #9 of 37 (permalink) Old 06-08-2018, 04:13 AM
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Honestly ,if they fix it please post the fix,Mine is not to bad now but not perfect , This has bugged me for years . Keep us informed
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post #10 of 37 (permalink) Old 06-08-2018, 06:52 AM Thread Starter
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Honestly ,if they fix it please post the fix,Mine is not to bad now but not perfect , This has bugged me for years . Keep us informed
just wondering what the charge on your batteries are.. i went to the shop today.. when i arrived and showed them the problem, the battery was at 12.8v.. but after they charged it a little to 13.3v the problem immediate disappeared, instant crank

and not like my battery is not charging or alternator not working, just that at that lower charge and with warm engine, i get that stuttering

i've gotta install one of them voltmeters and monitor some more

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