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Discussion Starter · #3 ·
I can't post the effort because I had the local shop do it (it was so cheap it wasn't worth me screwing it up)

I can post to the result. Both my brother and I have 2014 N1K's. We both did the supersprox.com front 16 tooth (cst1537-16) sprocket (25 bucks).

The idea was to make the gears useful in this bike and to decrease rpm at 70-75MPH.

We succeeded! The bike goes from frenetic shifting to torquey smooth. Not an exact description. Both of us noted that we didn't even try to shift into that phantom 7th gear! Low speed drive-ability is exactly what you think- lower rpm and enjoyable. Each gear feels like it has a purpose instead of just a temporary stopping point before you shift again.

We also noticed no measurable drop in acceleration. If anything the bike gets to spend an extra few tenths in each gear which means less shifting and more on throttle time.

This mod is so perfect that we both are scratching our heads as to why Kawi didn't do this from the factory. I don't think we will change out the rear! this drops top gear rpm by about 500rpm, so less highway buzz. We are more sport twistie riders and go out of our way to avoid highways, but its nice to now have a 7th gear ;)
 

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Discussion Starter · #5 ·
I am thinking that the speedo is more accurate now, given all the sloppy optimism of the factory units. I will use a gps and let you know.

I am getting a healtech indicator though.
 

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Discussion Starter · #9 ·
Well the shop misquoted me on the phone and fulfilled the task for $41. It is much less than 1 hours labor. 41 was a no brainer, it should have been $73.
 

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Discussion Starter · #19 ·
I think it will cost you a tenth in the quarter mile. But really the bikes gears are so short that 3-4 were useless. The acceleration is still the same by feel. It is just requires less frenzied shifting.
 

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Discussion Starter · #29 ·
I think that is chain length. I would just call supersprox.com - one and done.

GL
 

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Discussion Starter · #48 ·
146 seams very slow for a liter bike... I wonder if the limiter can be removed ?
 
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