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- - Rear sprocket for XT660R ( https://www.xt660.com/showthread.php?t=7246)

Quote:

Originally Posted by Kev (Post 139175)

It has not change on the R you are right Dave, I fitted a 15/47T on my 04 XTX with no problems.

I just added additional info for the XTX riders who have 07 on wards X's with the new style swinging arm, 15/47 won't fit unless you grind the swinging arm or go a longer chain.

Does a 46 teeth rear sprocket fit on a 2007 then? 15/46..

Quote:

Originally Posted by motonacio (Post 139170)

No and no.

There is enough adjustment in the chain to cope with either of those changes.

I've heard that you need a 112 length chain if you go above 45 back..

See this table from off-the-road.de:

----44--45--46--47--48--49--50
13 108 110 110 112 112 112 114
14 108 110 110 112 112 112 114
15 110 110 112 112 112 114 116
16 110 110 112 112 114 114 116

So if you only change to 14 front you can use standard 110 length.
If you have default 15 front and change to 46 back you need
112 length.
This is how I read this table and I assume that Off the road is right?