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The TTR250 FAQ web pages -> TTR250 -> Sprockets, chains and gearing -> Hi guys, another sprocket question.
Post Info TOPIC: Hi guys, another sprocket question.
threshold


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Hi guys, another sprocket question.
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Hey guys,

I work away at an evil place called olympic dam. However there is plenty of good riding up here - great red sand for miles. My TTR needs to be geared down to have more power to ride through this thick sand. Does anyone have any reccomendations for a ratio where I would be able to sit on 100 km/h all day and hopefully be able to pop the front wheel also?

 

I am looking at getting an exhaust and derestricting my bike soon.

 

Thanks in advance

 

Glen



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ttr steve


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13/48

14/52



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threshold


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Thanks steve, Thats why I love this site. If I have a digital speedo will this affect it's calibration as I dont have a speedo cable on the front wheel.

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ttr steve


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Yep

One of these will sort you outsmile https://totallyttrs.com/epages/699105d9-e4cc-4b32-b236-84e72cd67f84.sf/en_GB/?ObjectPath=/Shops/699105d9-e4cc-4b32-b236-84e72cd67f84/Products/TTR-0273



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threshold


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Excellent, will I need to fabricate any adjustments to my chain roller with 13/48 or 14/52?

Are those speedo adjusters accurate/hard to install?

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ttr steve


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ttr steve wrote:

No need to change the roller and the healer is accurate and  easy to set upsmile

 

 



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mossproof


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You might need to elongate the holes on the lower rear chain guide to let it drop enough for the chain to ride over it onto the 52 tooth properly. It's worth it though - excellent trail gearing.

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leigh


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13/48 definitely the way to go.

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threshold


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Thanks guys. I think I will go with a 13/48 so I dont have to change anything at all. If I do that my speedo will be showing a faster speed than I am going? I had a speeding ticket the other week and don't need another one.

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mossproof


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Correct - speedo will read faster than actual speed.
I prefer a 14 tooth front sprocket for the extra clearance over the swingarm , but as you say, 13/48 is less hassle.

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threshold


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Hi guys,

would this be fine for what I am looking for?

vi.raptor.ebaydesc.com/ws/eBayISAPI.dll

Anyone had any experience with JT chains and sprockets?

Price seems good. And its a 13/48 kit like I am after.


Only other question is it would fit a 1997 ttr?




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TTRfan


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Sprockets are interchangeable across all years and models of TTR250 - one of the beauties of owning a TTR250 biggrin



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threshold


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Thanks mate. Great news.

 

 

:)



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ttboof


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threshold wrote:

Hi guys,

would this be fine for what I am looking for?

vi.raptor.ebaydesc.com/ws/eBayISAPI.dll

Anyone had any experience with JT chains and sprockets?

Price seems good. And its a 13/48 kit like I am after.


Only other question is it would fit a 1997 ttr?


 Its cheaper as its not an oring chain .will wear fast prob last about a quarter of the time if an oring chain  

Oring lasts well  .  non oring short life but low drag 



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threshold


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13/48 Talon sprockets bought from totally ttrs. They look the biz.

 

 

So any o ring or x ring chain with a 520 pitch will fit my ttr? 120 minimum links?



-- Edited by threshold on Friday 7th of April 2017 03:54:36 PM

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ttr steve


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threshold wrote:

13/48 Talon sprockets bought from totally ttrs. They look the biz.

 

 

So any o ring or x ring chain with a 520 pitch will fit my ttr? 120 minimum links?



-- Edited by threshold on Friday 7th of April 2017 03:54:36 PM

Yep

But I only use Renthal as they are the best!

Thanks for the order Glen, already packed and ready to post.

Steve 



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JOHNYBOY


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i fit jt sprockets on my sons ktm 450 have been using them for years good quality

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threshold


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got my sprockets. cheers steve


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threshold


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bought a rhk o ring 520 pitch 120 link, hope rhk are ok ... super excited to get to my folks and see my talon sprockets



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ttr steve


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smilesmilesmile



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pricey


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How's the sprockets/chain going threshold? I just put 14/47 on mine and it's awesome. Can still cruise they highway but have seemingly much more poke. Let us know how you get on. 



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threshold


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Well I hope they should be on my bike. Bike was at mechanics getting fork seals done so I said put chain n sprockets on too.. I will let you know in a couple of weeks when I get it back


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KMAN


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Howd that 13 48 combo turn out threshold

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threshold


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Im enjoying it kman.

The only thing I am not enjoying is my speedo being out.

Need to get that speedo adaptor as im on an open enduro it reads it from the front sprocket. What a silly idea!

Will post more on it when I have an adaptor and have an idea on how fast im actually going.

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threshold


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Turned out really well. Can sit on 100 on freeway so I am stoked

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