15t vs. 14t - Kawasaki Ninja 250R Forum
 
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post #1 of 5 (permalink) Old 04-16-2013, 08:00 AM Thread Starter
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15t vs. 14t

who all has changed to a 15t from the 14t sprocket and what do you think? Or who prefers the 14t
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post #2 of 5 (permalink) Old 04-16-2013, 08:21 AM
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I have and I love it. If you do a lot of highway riding, a 15t is a must, IMO. Lowers rpm's quite a bit and just makes the ride more comfortable overall. You do loose a little bit of acceleration, but I can still out-accelerate most cars. Not really a huge deal to me



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post #3 of 5 (permalink) Old 04-16-2013, 08:51 AM
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Depends on what kind of driving you are doing. I went to 15t in front initially because I do a lot of highway driving. It will drop rpms by about 1k.

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post #4 of 5 (permalink) Old 09-04-2013, 02:36 AM
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Quote:
Originally Posted by tadster00 View Post
I have and I love it. If you do a lot of highway riding, a 15t is a must, IMO. Lowers rpm's quite a bit and just makes the ride more comfortable overall. You do loose a little bit of acceleration, but I can still out-accelerate most cars. Not really a huge deal to me
I just got a 2012 250R, it's my first bike. I plan on making the trek to Sturgis next year from Olympia Washington, so taller gearing is a must. When you went with the 15t, did you also have to go down on the rear sprocket or does the factory 45t work without chain length issues? Also, where might I get a 15t? And is there a 16t available? What is a good brand? Like I said, this is my first bike so I'm a rookie when it comes to two wheels. Four wheels are my thing. Lol
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post #5 of 5 (permalink) Old 09-04-2013, 05:34 AM
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the stock 45t will work without any chain issues. I believe you could go as low as a 15t front and 43t rear using the same size chain. I've thought about going to a smaller rear, but haven't done it since I do more city riding than commuting. If you do the change just remember, it's always encouraged to replace the chain and sprockets together as a package. You could probably get away with just replacing the front sprocket right now since your bike is pretty new, but just remember that for future reference. I can tell you from experience that a new chain on old sprockets will ruin the chain and the sprockets within the first few hundred miles. I've heard it vice versa as well.

They make a 16t, but I'm not sure why. It will actually grind against the front sprocket housing from what I've read and heard.

I've bought two 15t JT sprockets and bought them both on Amazon for about $12.



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