help! my F41000 S rev limit in 9000rpm - MVAgusta.net
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post #1 of 24 (permalink) Old 04-10-2011, 09:50 PM Thread Starter
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help! my F41000 S rev limit in 9000rpm

when open the throttle,the rev can't over 9000,it looks like ecu cutting firing...
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post #2 of 24 (permalink) Old 04-10-2011, 10:32 PM
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Hi & Welcome as I notice this is your first post

There's lots of people on here with an amazing amount of knowledge who will be only too happy to help but I think they may need/want a slightly better more thorough description of the problem.

For instance, does the bike start/run fine up to 9000? then what does it misfire/ cut out completely? The more info you provide the more likely someone can identify the likely problem.


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post #3 of 24 (permalink) Old 04-10-2011, 10:34 PM
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Ha Ha someone has fiddled with it, mst've been your mum or dad so you cant do crazy speeds!!

Why would you want to go over 9000 rpm anyway - that's where the fun starts!!!

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post #4 of 24 (permalink) Old 04-10-2011, 10:52 PM
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i had a similar issue with my 05 gsxr 750. around 8000 rpm my bike would not accelerate any further. it was due to a bad fuel pump, apparently a 2nd valve opens up, and mine wasnt.

maybe the f4 has a similar setup, i dont know
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post #5 of 24 (permalink) Old 04-10-2011, 11:02 PM
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Quote:
Originally Posted by gazman View Post
Ha Ha someone has fiddled with it, mst've been your mum or dad so you cant do crazy speeds!!

Why would you want to go over 9000 rpm anyway - that's where the fun starts!!!
I don't think that's it - 8500k in 6th gear still has him humming along, if it was mum or dad I reckon the problem would be kicking in at 3000rpm

Hang in there crazycheetah some useful replies should come in shortly - SiCC's is a good start


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Last edited by MVista; 04-10-2011 at 11:40 PM.
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post #6 of 24 (permalink) Old 04-11-2011, 12:44 AM
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post #7 of 24 (permalink) Old 04-11-2011, 01:04 AM Thread Starter
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Quote:
Originally Posted by MVista View Post
Hi & Welcome as I notice this is your first post

There's lots of people on here with an amazing amount of knowledge who will be only too happy to help but I think they may need/want a slightly better more thorough description of the problem.

For instance, does the bike start/run fine up to 9000? then what does it misfire/ cut out completely? The more info you provide the more likely someone can identify the likely problem.
Quote:
Originally Posted by SiCC View Post
i had a similar issue with my 05 gsxr 750. around 8000 rpm my bike would not accelerate any further. it was due to a bad fuel pump, apparently a 2nd valve opens up, and mine wasnt.

maybe the f4 has a similar setup, i dont know
My englishi is poor,so i'm very sorry...
The bike start are normally,throttle response are normally,dash board display are normally;
but when i opening throttle,the engine rev reach to 9000 and "stop" at 9000,engine cuting firing,sound like rpm in red.the gear in neutral or 1,2,3 are same.
F41000S EFI sytem no CMP,no baro sensor,no STVA,no EXCV;the injector & coil work in each round,i checked the parts:fuel pump was checked ok,TPS checked normally,so i think the ecu REV limit parameter are changed?or ecu work in safe mode?
the ect & iap/iat no checked yet.

Many thanks!

Last edited by crazycheetah; 04-11-2011 at 01:09 AM.
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post #8 of 24 (permalink) Old 04-11-2011, 01:15 AM
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Replace your spark plugs! Order a set of NGK CR9EIX plugs and I bet your problem will go away.

But give us some more details about your bike, year, model, milage.

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post #9 of 24 (permalink) Old 04-11-2011, 01:52 AM Thread Starter
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Quote:
Originally Posted by mv2envy View Post
Replace your spark plugs! Order a set of NGK CR9EIX plugs and I bet your problem will go away.

But give us some more details about your bike, year, model, milage.
The plugs was replaced,and injectors was inspected.bike are F4 1000S 1+1 37year,23340km.
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post #10 of 24 (permalink) Old 04-11-2011, 04:42 AM
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Have you checked crank sensor, L/H side of motor, just behind cylinder head. Mine came loose and bike revved very funny. 4000max and then 6000max and then idle only.

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