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-   -   Chain and sprocket changes (https://www.horizonsunlimited.com/hubb/yamaha-tech/chain-and-sprocket-changes-67465)

nikroc 17 Aug 2014 15:19

Revival
 
Hi all.
Just got the tt600re back after it had sat in a potential buyers garage for nearly two years..he's a mate and I know its been un used.
Never did the sprockets n chain so im going to do it now. Just to confirm the sprockets are same as the xt range....:confused1:

G600 18 Aug 2014 00:00

Yes they are. I just put a 47t TT600RE sprocket on my 2000 XT600E. They are the same except for the number of teeth (47 is stock on the TT600RE and 45 on the XT600E).

The TT600RE and 2000 XT600E front sprockets also are the same. The TTR600 had a different sprocket and so did the early XT's, don't know the exact years.

nikroc 18 Aug 2014 09:04

Thanks..best go count how many teeth I got on my sprockets.
previous advise suggested going from 15/38 to 14/40..
Quote:

Originally Posted by G600 (Post 476678)
Yes they are. I just put a 47t TT600RE sprocket on my 2000 XT600E. They are the same except for the number of teeth (47 is stock on the TT600RE and 45 on the XT600E).

The TT600RE and 2000 XT600E front sprockets also are the same. The TTR600 had a different sprocket and so did the early XT's, don't know the exact years.


nikroc 18 Aug 2014 09:58

14/47 on mine as is...

G600 19 Aug 2014 19:32

Quote:

Originally Posted by nikroc (Post 476715)
14/47 on mine as is...

Yeah, me to. I went 14/47 on my XT600E when I replaced the chain/sprockets last week. Great around town, excellent offroad but a little buzzy on the blacktop. About 4k rmp's at 90km/h, 4,5K at 100km. The TT600RE is more off road oriented, I liked 14/47 on my 2005, but I was not really looking for comfort on the road.

I will go 15/47 and see how that works out.

nikroc 19 Aug 2014 20:56

I;ve started to use het to commute,18 miles each way and mostly country backroads..making the journey 'fun'. Engine rattles away and im maxing out at 45/50 intentionally.

Not sure what going to a 15 up font would do tbh.

I did an oil n filter change yesterday and have never had as bike that's so hard to check the levels as this one. Royal pita!

Jens Eskildsen 21 Aug 2014 08:09

Gearing is a very personal choice, and greatly depends on the driving pattern. I've gathered a lot of different sprockes over time (13, 14, 15, 16 cs sprocket, 42, 45, 46, 47 rear) and tried most of the combinations.

I've commuted just over 100km a day, for almost a year, I used 16/45 for that to take the top of rpms when riding highways, interstate ect. I've also tried 13/47 just to test it in the sand, but the gearing was too short for me, couldnt really use the torque of the engine, and the XT will never be a high rpm screamer.

I have a few different sets of wheels, but I would agree for everyday fooling around, commuting in town, and not a lot of riding ont he fast roads 15/47 is nice. If going on some gnarly track, change the front for a 14.

I hated stock gearing the first few years, but now it seems like its actually really good for me. I think I've gotten used to it, and my driving pattern has changed a bit. Perhaps I even carry more speed on the gravelroads ect, to suit the gearing.

Its easy and cheap to play with the front sprocket, the rear aint that bad either when you shop around. A 15/47 combo fits with stock chain as I recall.

Happy hunting.

nikroc 21 Aug 2014 16:25

Quote:

Originally Posted by Jens Eskildsen (Post 477061)
Gearing is a very personal choice, and greatly depends on the driving pattern. I've gathered a lot of different sprockes over time (13, 14, 15, 16 cs sprocket, 42, 45, 46, 47 rear) and tried most of the combinations.

I've commuted just over 100km a day, for almost a year, I used 16/45 for that to take the top of rpms when riding highways, interstate ect. I've also tried 13/47 just to test it in the sand, but the gearing was too short for me, couldnt really use the torque of the engine, and the XT will never be a high rpm screamer.

I have a few different sets of wheels, but I would agree for everyday fooling around, commuting in town, and not a lot of riding ont he fast roads 15/47 is nice. If going on some gnarly track, change the front for a 14.

I hated stock gearing the first few years, but now it seems like its actually really good for me. I think I've gotten used to it, and my driving pattern has changed a bit. Perhaps I even carry more speed on the gravelroads ect, to suit the gearing.

Its easy and cheap to play with the front sprocket, the rear aint that bad either when you shop around. A 15/47 combo fits with stock chain as I recall.

Happy hunting.

how will going to a 15 upfront affect the bikes feel?..

Jens Eskildsen 21 Aug 2014 19:16

15 is stock, together with 45 rear.

1 tooth front alters the rpm by about 500rpm. So going one tooth down gives you 500rpm extra at the same speed.

So if 15/45 gives you, lets say 95km/h at 4000rpms, changing the front sprocket to a 14, will set the rpms at 4500rpms to go the same speed.

You can play with the numbers at www.gearingcommander.com I use the 1990 xt600. I added that one, and its the same from 1990 and up to the last models.

nikroc 21 Aug 2014 19:23

on the tt600re stock is 14/47...I was wanting a bit more go from the off so if I understand this correctly,be a first, going to a 15 front tooth would drop the acceleration whilst effectively lowering the revs at the top end?...

Jens Eskildsen 21 Aug 2014 21:25

Yes, try it, CS-sprockets are cheap.

tall-mike 29 Aug 2014 01:06

:thumbup1:


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