XT600e rear sprocket
 

Standard rear is 45t so I may go with a 44t or 43t next. Any ideas where you can get any, as I can only find 45s

Ebay.de has some, the rear sprocket is called kettenrad, så search for something like "Xt 600 kettenrad 43"

Jt sprockets.

Wemoto also stock smaller or bigger. Call them if its not on their website. EBay too...

www.touringted.com

BTR (Bike Torque Racing) at Frome, Somerset. Seemed like a good bunch when I met them at the NEC Bike Show and ordered one from them for delivery from Frome. Very quick it was, too - although I haven't yet fitted as, like you, I'm only changing the gearing (down-gearing, though, unlike yourself), so no rush.

Probably better to change the chain and front sprocket at the same time.

For that 44-tooth sprocket, though, try BTR at URL = http://www.biketorqueracing.co.uk/results/1250544. (strangely, include that dot on the end). Top make (AFAM), good price, good seller. They don't seem to do the equivalent 43-toother, though.

The "Alternative Sizes Available" seems a bit haphazard but a fresh search will find the 45-toother, etc., for comparison.

Have you checked out Gearing Commander: Motorcycle Speed, RPM, Chain & Sprockets Calculator ?

HTH

Cheers will have a look. I am doing both sprocket and chain. I just need a rear sprocket to complete my set. Seemed to make sense to go to a 43 on rear and get a 14 front for trail days and use my 15 for travelling days on the road

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If your looking to gear down, you would need a bigger rear , not smaller. A 46 or 47 would be better. By going to 43/14 over 45/15 you would only be gaining a marginal lower ratio, equivalent to 3-4mph less top end at the same rpm(if that makes sense :cool4:)

Don't be temped to go too small on the back. I tried a 15/41 and thr bike couldn't power it. Awful.

15/43 should be the longest really. 15/44 is better if you can ride slower..

I have 14/38 on mine right now(the 38 came with the bike) for some longer rides. It pulls itself just barely at 70-75mph. My normal is 14/42 for short hops and in town. Don't know about outside US bikes but mine is running 3500rpm @60mph right now, which seems kind of high but still barely pull itself.

I usually run 16/47, should give a little less wear on the sprockets, due to them being larger. I use a 108 link chain, and have the possibility to go down to 15 and 14cs sprocket for tight offroad-stuff.

Our bikes doesnt pull 5th gear to redline stock, so even 1 tooth less on the rear makes the bike more sluggish. But its really nice to cruise with the lower rpms it brings, but you wil loose top speed

So would a rear sprocket for say a 91 year xt be the same stud pattern as for a newer E model. Cheers for all advice so far. It could be simpler mind to get a longer link chain and go with a 47 and a 16 like jens as they are available from wemoto

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How is the difference when you use 16/47 compared to original?

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I see what Xtrock is thinking :rolleyes2:, I was always wondering if there is a difference in how good a motor pulls a certain ratio, say 16/47 compared to 14/41, both of which end up at a very close final ratio (2.936/2.928). Would any difference be due to the diameter of the sprockets and how much parasitic friction is caused by smaller diameter sprockets. My head is hurting now. jeiger

Yep: rear sprockets from earlier XT6s will fit, even going back to the XT550. Not the front sprocket, though.

I am finding that when I get to fast motorway speeds (UK) I am starting to hang onto the bars due to the massive windblast, and figured that I could better use a (down-geared) 14/46 combination generally, same chain, swapping to 14/48 for the trails. First and second gears on the XT6E are rather high for off-tarmac.

Weird what different people find best. I haven't done the massive amount of off roading on my XT that I previously did on my XRs,DRZs and the like but on Strata Florida and up into Mid wales on stoney trails I have found the standard 15/45 pretty much useable, quite often in 2nd or 3rd gear with speed and ease. Obviously a 14t on the front would make it a bit gruntier for the slower stuff, but Im in no rush for too much off road these days.
I am riding on long A roads frequently and at the moment Im sitting with speedo showing 70mph at about4500 rpm. I am thinking that dropping that speed to about 4k rpm may be much sweeter

Yes drop those rpms, if it can pull it. 500rpms x 60 = 30,000 revolutions that motor didn't have to turn, over time that will really, really add up to less wear. Tire choice and air pressure also will have effect on what gearing you can run. If no real offroading is going to be done, a highway tire will have considerably lees rolling resistance.