1078RR stalls when throttling down abruptly - MVAgusta.net
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post #1 of 22 (permalink) Old 01-07-2020, 09:59 AM Thread Starter
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1078RR stalls when throttling down abruptly

A quick one, I hope. So 1078RR's engine is stalling after rpms go down, for example when riding already perfectly hot at 5k for a minute and then engaging the clutch and let it drop back to minimum. Same stalls happens at lower rpms, when the bike is still cold, but you go up to 3-4k and then engage the clutch. Only started to occur this year, and there's 100k kms on it. It doesn't happen if you lower the rpms very slowly. TPS reset didn't help (tried several times) and I don't know where else to look and what to replace. Always doing regular 6k maintenance, spark plugs also recently changed...
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post #2 of 22 (permalink) Old 01-07-2020, 10:43 AM
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healthy battery?

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post #3 of 22 (permalink) Old 01-07-2020, 12:10 PM
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stock pipes?

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post #4 of 22 (permalink) Old 01-07-2020, 12:17 PM
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I'm not a technician, but balancing throttle bodies fixed that very issue on my Rivale

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post #5 of 22 (permalink) Old 01-07-2020, 12:37 PM Thread Starter
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Can't say for sure about the battery but it certainly has no problems starting up. I've had bad batteries before and they never did anything like that. The pipes are MV Corse's Arrow titanium, but those have been on forever together with the electronics, so nothing changed recently.

Not sure what balancing throttle bodies is? Sounds advanced. Rivale is a totally different gen though...
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post #6 of 22 (permalink) Old 01-07-2020, 12:40 PM
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Balancing the Throttle Bodies is something that will help any engine run better.

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post #7 of 22 (permalink) Old 01-07-2020, 12:43 PM
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Quote:
Originally Posted by Buck View Post
Not sure what balancing throttle bodies is? Sounds advanced. Rivale is a totally different gen though...
Balancing throttle bodies is a not a bike specific procedure. You can get something like this ( https://www.revzilla.com/motorcycle/...pro-carb-tuner ), make a homemade one (google it), or get any motorcycle technician to do it.

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post #8 of 22 (permalink) Old 01-07-2020, 12:44 PM Thread Starter
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Any specific MV manual for that?
Aside from balancing, any other reasons it may exhibit this problem?
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post #9 of 22 (permalink) Old 01-07-2020, 02:25 PM
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Quote:
Originally Posted by Buck View Post
Any specific MV manual for that?
Aside from balancing, any other reasons it may exhibit this problem?
MV Agusta FAQ: Tuning 2) Idle, Base CO and Throttle Body Balance

check right sparkplug type, some had a modification/upgrade on that.

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Last edited by hb88xx; 01-07-2020 at 02:27 PM.
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post #10 of 22 (permalink) Old 01-07-2020, 02:50 PM
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Fit iridium spark plugs,fixed my bike.


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