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Author: Subject: Fireblade 4th gear issue
zekill

posted on 9/12/12 at 05:25 PM Reply With Quote
Fireblade 4th gear issue

Hi all,
I have a big problem with my 919 fireblade gearbox.

5th to 4th go to a false "neutral".
When the 4th is engaged, if I use brake, it's the same, the gearbox go to false "neutral".
I have no problem with others gears.

Thank.





Fisher Fury with Phoenix bodywork, Blade 919cc

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MK9R

posted on 9/12/12 at 07:15 PM Reply With Quote
Does it jump out of 4th when accelerating??? If so the dogs are worn





Cheers Austen

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tony.g

posted on 9/12/12 at 07:17 PM Reply With Quote
Common problem,
It needs a gearbox rebuild or easier to replace the engine and box.
I have just got one from Andy Bates.
It might be worth a call to him....

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zekill

posted on 9/12/12 at 07:23 PM Reply With Quote
when accelerating there is no problem with 4th.

It seem to be a lot of work to strip the gearbox, and I need to found parts too.

Perhaps the time to upgrade engine or found the same in good condition.
It's shame, this engine work very fine and it have a new baffle plate.


[Edited on 9/12/12 by zekill]

[Edited on 9/12/12 by zekill]





Fisher Fury with Phoenix bodywork, Blade 919cc

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tony.g

posted on 9/12/12 at 07:37 PM Reply With Quote
All parts are easily available...............
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mark chandler

posted on 9/12/12 at 08:33 PM Reply With Quote
If you decide to sell the engine as is let me know.

Thanks Mark

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tandi

posted on 10/12/12 at 12:18 AM Reply With Quote
I had the same problem. Wasn't long before my fury was jumping out on the way up too. Dogs and cogs!
Talk to Andy at AB Performance, great guy, huge knowledge, you won't find a more genuine supplier. My fury runs like a dream now :-)

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zekill

posted on 10/12/12 at 10:18 AM Reply With Quote
thank all,
Mark -> I live in France.

I will to strip the gearbox and see what is wrong.





Fisher Fury with Phoenix bodywork, Blade 919cc

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Benzo

posted on 10/12/12 at 06:52 PM Reply With Quote
I have a good 2nd hand Gearbox if you are interested..

I can post it to france, drop me a u2u if you are interested.

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zekill

posted on 10/12/12 at 07:04 PM Reply With Quote
-> Benzo
thank you, let me the time to strip engine et see what I need





Fisher Fury with Phoenix bodywork, Blade 919cc

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Benzo

posted on 10/12/12 at 07:10 PM Reply With Quote
quote:
Originally posted by zekill
-> Benzo
thank you, let me the time to strip engine et see what I need


Let me know, I have a couple of boxes here, I won't be looking too much for them

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zekill

posted on 10/12/12 at 07:57 PM Reply With Quote
ok Benzo, I tell you more this week I think.





Fisher Fury with Phoenix bodywork, Blade 919cc

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zekill

posted on 15/12/12 at 06:37 PM Reply With Quote
I have strip my engine, all seem to it in good condition, so I search more and I've found the issue.
remember: 4th go out when I use brake and 5th to 4th is difficult too with a lot of false 'neutral'

See this pic, the circlip marked in red is out of groove in one side and the 4th gear can't side normally. it's feeling lile a spring when I try to put this 4th gear.
I have found the problem but at this time I don't understand why this circlip go out.






Fisher Fury with Phoenix bodywork, Blade 919cc

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