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Discussion Starter #1 (Edited)
As far as I can tell, suzuki uses the same gearbox in all the 650 motors. The specs for the DL, SV and the same motor in the Hyosung all have the same primary drive and gear ratio's.

But - now I hear the 2012 DL650 has a taller 6th
And I think, with a taller 6th, I could go one cog smaller on the chain.
Giving me a better spread, and similar touring.

Has anyone seen any specs on the ratios for the 2012 model?

Any guesses if the cases are the same? Chance of this being a couple of cogs only?
Primary drive specs are the same from what I have read.

I know - I'm way ahead. Just wanted to get ppl thinking.

Catchya
Paul
 

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FORUM GODFATHER.....R.I.P. PAT
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The 2012 model is unchanged. Suzuki seems to think all their 650 V-twins have a tall 6th gear.
 

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Could someone explain to my feeble brain what "tall" means in this context? Does that mean that relative to "normal", it makes more turns of the wheel per turn of the motor, or fewer? :confused:
 

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FORUM GODFATHER.....R.I.P. PAT
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Tall means less rpms are required to hold a given speed. Here are the ratios.

driven gear teeth:drive gear teeth

1st 32:13
2nd 32:18
3rd 29:21
4th 27:24
5th 25:26
6th 23:27

If you're thinking 6th gear doesn't look disproportionately taller than the other spreads, I don't blame you. I think it would be a good idea. When I saw the tall 6th gear claim for the 2012, I was hopeful but it was unchanged.
 

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Discussion Starter #5
So where is the magic fuel range coming from with the smaller tank I wonder?

I put 18.5L in the other day - although it was cutting out on the road to the servo.

Paul
 
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The 2012 model is unchanged. Suzuki seems to think all their 650 V-twins have a tall 6th gear.
I swear that my 05 has a 7th gear and if I just keep hunting for it, I'll find it.
It seems there are never enough gears when entering a higher speed road.
I suppose the 2012 model will sort out that issue.
 

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FORUM GODFATHER.....R.I.P. PAT
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I didn't even like what a one over 16T sprocket did to the bike. It's an individual thing.
 

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So where is the magic fuel range coming from with the smaller tank I wonder?

...
There is mention of better atomization due to injection nopzzles with finer, more numerous holes in them plus better engine management and better aerodynamics.

..Tom
 
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