Concern About My F4 - MVAgusta.net
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post #1 of 13 (permalink) Old 06-04-2007, 06:50 PM
anothermvfanatic
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Concern About My F4

Can anyone help me understand what i am doing wrong or if soemething is wrong with my bike

In refernce to my lack of riding, and comments from the fine people of the world i am putting some mileage on this bike

and mine you loving it. Should of done this too long ago.

I went for a blast last night, which i shouldnt be doing as i shouldnt really be riding at night..(eye thing)

but ive noticed this before, spoke to my mechanic about it, and he gave me a technique to overcome it... but im finding it sometimes too hard

what happening to me is sometimes while i am riding and going through the gearbox, when its going through the rev range, and i go to change gear, im not sure if i miss it, (usally second gear) and or what but it wont engage and it makes a grinding sound, and wont enable me to make it engage....untill i basically ride it out a bit, and wait for the revs to go down..and wait for it to find a spot in the range to engage.

is this a problemo , or just me not riding it properly

i am concerned though that it is doing my gearbox damage

it probably happens at least once when i ride
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post #2 of 13 (permalink) Old 06-04-2007, 07:16 PM
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Quote:
Originally Posted by anothermvfanatic
Can anyone help me understand what i am doing wrong or if soemething is wrong with my bike

In refernce to my lack of riding, and comments from the fine people of the world i am putting some mileage on this bike

and mine you loving it. Should of done this too long ago.

I went for a blast last night, which i shouldnt be doing as i shouldnt really be riding at night..(eye thing)

but ive noticed this before, spoke to my mechanic about it, and he gave me a technique to overcome it... but im finding it sometimes too hard

what happening to me is sometimes while i am riding and going through the gearbox, when its going through the rev range, and i go to change gear, im not sure if i miss it, (usally second gear) and or what but it wont engage and it makes a grinding sound, and wont enable me to make it engage....untill i basically ride it out a bit, and wait for the revs to go down..and wait for it to find a spot in the range to engage.

is this a problemo , or just me not riding it properly

i am concerned though that it is doing my gearbox damage

it probably happens at least once when i ride
This happens sometimes. The key is that you always want to shift it to the next gear. If you are going from 2nd to 3rd and it misses, you still want to go to 3rd and not 2nd.

Can you shift the bike with no clutch? Does it change the problem? If you are very deliberate about it, does it always work?

My bike misses 4th every once in a while at the track. I just need to remind myself to be very deliberate and really get it into gear, and it just goes.

But I've always wondered how easy it would be to pull the cassette out and look at it to see what's going on.

'01 F4S
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post #3 of 13 (permalink) Old 06-04-2007, 07:16 PM
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Is it only second gear or does in happen in various gears? does it only happen when you up shift or when down shifting as well?

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post #4 of 13 (permalink) Old 06-04-2007, 07:23 PM
anothermvfanatic
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no its defintaly various gears not just second
post #5 of 13 (permalink) Old 06-04-2007, 07:27 PM
anothermvfanatic
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Can you shift the bike with no clutch? Does it change the problem? If you are very deliberate about it, does it always work?


never tried to shift without clutch

what do you mean if i am very dleiberate about it

i mean i dont want this to happen, but i do find it is a gearbox that needs to be really pushed into gear, its not as smooth as some of my other bikes or earlier bikes. My mechanic said that it was the gearbox of the f4, it needs to be pressed really hard, ie really yanked into gear...
post #6 of 13 (permalink) Old 06-04-2007, 10:21 PM
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could it be that your clutch lever has air bubbles in it or something, and it is not disengadging your clutch all the way before you shift?
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post #7 of 13 (permalink) Old 06-04-2007, 11:44 PM
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Dude, it shouldn't be making crazy noises and stuff, that is not good. most likely if you are missing a gear you are not letting the shifter fully reset before grabbing another gear. But any kind of grinding the bike makes once the clutch is out is not good. get it checked out.
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post #8 of 13 (permalink) Old 06-04-2007, 11:48 PM
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Quote:
Originally Posted by anothermvfanatic
Can you shift the bike with no clutch? Does it change the problem? If you are very deliberate about it, does it always work?



never tried to shift without clutch

what do you mean if i am very dleiberate about it

i mean i dont want this to happen, but i do find it is a gearbox that needs to be really pushed into gear, its not as smooth as some of my other bikes or earlier bikes. My mechanic said that it was the gearbox of the f4, it needs to be pressed really hard, ie really yanked into gear...
Yeah I almost never use the clutch doing upshifts, sometimes i use it at low speeds/gears on the street, but once you get used to the feel of the bike youcan shift smooth without the clutch just my letting the throttle close just a little at the correct RMP. anything north of 8k is pretty easy
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post #9 of 13 (permalink) Old 06-05-2007, 04:37 AM
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Bleed the clutch fluid, I bet it hasn't been done for awhile. Its dead easy to do even easier than changing oil and filter.

I bleed the clutch and brake fluid once a year or every second oil change what ever comes first. Brakes are more important to me than power.

Slow is smooth and smooth is fast!!

Last edited by minime; 06-05-2007 at 05:20 AM.
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post #10 of 13 (permalink) Old 06-05-2007, 05:09 AM
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Rob.....bring your bike around and I'll take it for a spin and soon tell you if you have a problem...

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