Possible transmission gear ratio change - K-Bikes.com - Excellence in Motion
 
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post #1 of 3 (permalink) Old Mar 16th, 2014, 8:17 am Thread Starter
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Possible transmission gear ratio change

Hi all once again,

I recently purchased a transmission from an '08 with less than 6k miles. Before I put it in I am sending it off to get undercut and fluxed and what not. While I have the tranny in the shop is it possible to change the 6th gear to something taller? I would like to cruise at lower RPM on the highway while increasing the potential top speed of the bike.

Has anyone done this before on the K1200s or 1300s?
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post #2 of 3 (permalink) Old Mar 16th, 2014, 11:41 am
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You certainly could but you'd have to have two new gears machined. One on the driven shaft, and the complimentary gear on the drive shaft.

As far as top speed, I think the k1300s is ecu limited at 186. I can't imagine needing to go faster than that other than for bragging rights.

'06 K1200R- in pieces
'73 Honda CB500F- slow but fun.
'77 Yamaha XS 750 triple- kinda
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post #3 of 3 (permalink) Old Mar 17th, 2014, 6:30 am Thread Starter
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I have an '05 K1200s which maxed out around 172 according to the GPS. This is plenty fast for me on the top end. However, I like to cruise around 120ish maybe a bit more on nice days. I'm not a speed demon but coming from Germany and being able to cover lots of distance fast is nice.

I thought maybe the final drive from the GT would work but we already share the same gears
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