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  #31  
Old 09-Feb-2005, 23:38
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I've been running 14/36 for over a year and I'm happy to sacrifice a little top end for more acceleration by moving to 14/39
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Old 09-Feb-2005, 23:53
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Sorry, let me clarify ...

Andyb made a general suggestion that 15/38 was a good choice for 99* bikes. I just wanted to point out that the 996's are an exception because of their much higher gearing.

The 996R's use the close-ratio box like the 998's and 999's.

I wasn't suggesting using 15/43 for a 996R, adam.
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  #33  
Old 09-Feb-2005, 23:56
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phew, thanks Shazaam.
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  #34  
Old 10-Feb-2005, 00:00
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No definitely 14/42 for you Adam!



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Old 10-Feb-2005, 00:02
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Quote:
Originally posted by tp-996
Quote:
Originally posted by Shazaam!
I agree that 15/38 is a good choice for 998's and 999's, but not for 996's. Unlike the other two that have the close-ratio, the 996 has a standard-ratio gearbox that has taller 3rd-6th gears.

A better choice for a 996 is 15/43 (98-links.)

What are the implications of running 14/39 Shazaam? Or even 14/43 ?

The following engine speeds in 6th gear at 120Kmph will give you an idea of the difference in a 996:

15/36 3,890 rpm 94-links (stock gearing)
14/36 4,168 rpm 94-links
14/39 4,516 rpm 96-links
15/43 4,647 rpm 98-links
14/43 4,979 rpm 98-links





[Edited on 2-9-2005 by Shazaam!]
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  #36  
Old 10-Feb-2005, 00:02
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Quote:
Originally posted by Shazaam!
Sorry, let me clarify ...

Andyb made a general suggestion that 15/38 was a good choice for 99* bikes. I just wanted to point out that the 996's are an exception because of their much higher gearing.

The 996R's use the close-ratio box like the 998's and 999's.

I wasn't suggesting using 15/43 for a 996R, adam.

Oh man, Shazaam. I've been trying to follow this, wrote down your advice on a yellow sticky even! Now I'm totally confused. I think I have standard chain and sprockets on my 996. I want to increase the low down torque without affecting the top end enjoyment too noticeably. Is there a solution for that?
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Old 10-Feb-2005, 00:05
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Quote:
Originally posted by Shazaam!
The following engine speeds in 6th gear at 120Kmph will give you an idea of the difference in a 996:

14/39 4,516 rpm
15/43 4,647 rpm
14/43 4,979 rpm

Ok, so I'm cool with that. My question is more on what type of chain to run 14/39 or even 14/43, seeing as I'm now thinking of 14/43
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  #38  
Old 10-Feb-2005, 00:25
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Quote:
Originally posted by Redruth
I have standard chain and sprockets on my 996. I want to increase the low down torque without affecting the top end enjoyment too noticeably. Is there a solution for that?

The 996 and 996S bikes are the highest-geared Ducati superbikes. Extremely over-geared.

If you replace the stock 15/36 set-up with 15/43, as I suggest, your tach at 70mph will read about 750 rpm higher (4,647 instead of 3,890) but you'll be using all your gears now, instead of just the bottom four or five. It'll be much easier to launch off the line as well.
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Old 10-Feb-2005, 00:32
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Quote:
Originally posted by Shazaam!
Quote:
Originally posted by Redruth
I have standard chain and sprockets on my 996. I want to increase the low down torque without affecting the top end enjoyment too noticeably. Is there a solution for that?

The 996 and 996S bikes are the highest-geared Ducati superbikes. Extremely over-geared.

If you replace the stock 15/36 set-up with 15/43, as I suggest, your tach at 70mph will read about 750 rpm higher (4,647 instead of 3,890) but you'll be using all your gears now, instead of just the bottom four or five. It'll be much easier to launch off the line as well.

I get the gist, but this is a bit too technospeak for me. What does this mean

"your tach at 70mph will read about 750 rpm higher (4,647 instead of 3,890)"

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  #40  
Old 10-Feb-2005, 00:35
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So a 'tach' is the thing that shows the revs, right?

Hats off to ya. That you can quote figures as accurate as 4,647 and 3,890 on chain and sprocket change.


Whatever the outcome of the know all quiz, I'm sending you a prize
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