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 GEARING - 1200 vs 1100

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Pisano
Tanabuso
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Join date : 2016-07-07
Age : 46

PostSubject: GEARING - 1200 vs 1100   Mon Aug 27, 2018 8:26 pm

Long ride this weekend had me thinkin about differences between 2V and 4V GRiSO models ( and differences between 4V engines in the Norge and Stelvio but we'll save that for later).

I didn't realize that gearing was different.  You'll probably be riding around one gear higher in a 2V GRiSO compared to a 4V GRiSO.

All theory but any body want to share real world experience? Ive only ridden the 4V.

For what its worth here is a comparison chart I had to make when I got home.(Speed is in real units  Wink  )

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Diablo Loco
Grignapoco
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Join date : 2013-05-29

PostSubject: Re: GEARING - 1200 vs 1100   Mon Aug 27, 2018 8:37 pm

My 1200 is doing an indicated 210 at 7800 revs but I've had some changes done.

Originally an indicated 230+ at the same revs (09 model) but acceleration is better now.

A mate with an 1100 at close to redline maxes at 201 indicated.

Which surprises him when my carby sport 1100 out accelerates and kills it on top speed.
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Pete Roper
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Age : 61

PostSubject: Re: GEARING - 1200 vs 1100   Tue Aug 28, 2018 8:44 am

What changes did you make? There's nothing you can do to alter the relationship between engine speed and road speed unless you were to swap primaries in the gearbox? Otherwise a perceived change could be achieved by messing with the speedo correction factor but that won't actually change the speed being done! Very Happy

Pete
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