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Go Back   KatRiders.com > Rolling Stock > Tire Talk, Chain & Sprockets

Tire Talk, Chain & Sprockets If it has to do with tires & wheels, then you're in the right place.
Best tire for a Katana? What's the tread life on a particular brand ? Size of a stock rim?
Chains & Sprockets? These questions and so much more are addressed right here !

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Old 03-25-2010, 01:51 PM   #1
Fishermanz
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Default would like lower RPM's on the highway

I've looked on here for recomendations on what I need to make my bike ride on the highway with lower RPM's,but can't seem to find what I'm looking for. So do I need a smaller rear sprocket & shorter chain? for example I wanna go 100 in 5th with it not winding so much. BTW this is on my 06 750.
Thanks for the help
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Old 03-25-2010, 02:16 PM   #2
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The first applicable question is why?

If it's gas saving, it won't be a huge difference.

If it's just to lower engine RPM, remember that motorcycle engines redline at higher RPM and are designed to run at higher RPM..

Here's a handy chart to compare how much you could reduce RPM

http://www.motorcycleanchor.com/kata...sprockets.html
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Old 03-25-2010, 02:16 PM   #3
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Is there a specific reason you would like to do this?

You could go with a lower tooth-count on the rear sprocket, but you'll be sacrificing your low-end performance.
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Old 03-25-2010, 04:53 PM   #4
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I want lower rpms. I wanna be able to hit 80 in 4th or 5th without winding it out so much. Maybe I'm being retarded, but on my 02 shadow that I used to own everyone told me to do it because it was such a smoother ride. Didn't know if maybe same thing applied to my Katana. T
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Old 03-25-2010, 05:41 PM   #5
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Quote:
Originally Posted by Fishermanz View Post
I want lower rpms. I wanna be able to hit 80 in 4th or 5th without winding it out so much. Maybe I'm being retarded, but on my 02 shadow that I used to own everyone told me to do it because it was such a smoother ride. Didn't know if maybe same thing applied to my Katana. T
I'm not sure I really understand your post. From my experience with my Kat, it cruises best on the hwy at 120khr ( 72mph) and that's at about 6-7K rpms.....not sure......depends on the headwind. The sixth gear is there for a reason. The engines were designed to run best between 6-8k if I'm not mistaken....so you'd actually be harming your bike.
Even on the R1..... even though I can get to 70mph in first, it's not really a comfy ride. I'd rather cruise at the same speed (72) ....in 5th as it's all it has gear wise.
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Old 03-25-2010, 06:43 PM   #6
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That's why I asked I'm now going to forget about putting a different sprocket on it & leave it the way it is. Why ruin a good thing right!
Thank You all
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Old 03-25-2010, 07:29 PM   #7
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One thing I can recommend to improve your riding experience - earplugs. Try them out. A soft set of 32dBa disposable plugs will do very good things for you. I promise.
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Old 03-26-2010, 09:29 AM   #8
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On my 04 750 I went with a 16 tooth front sprocket and a 160/70 rear tire. I'm very happy with the results for my type of riding. The sprocket did not require a chain length adjustment and the part was found for free. The rear tire was done for maintenance so was a planned expense. The better fuel mileage while minimal is noticeable without a great loss in stop light acceleration.
Just my personal experience, yours may vary.
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