well I finaly got it.its a moose # m602-20-13 .it fits a xr650r 00-01. what i didnt realize is that i would have to shave about the width of the retaining ring off the back of the sprocket.good thing I have a machine shop available at my work and ill be sure to do it on my lunch hehehehehe. other than that it fits well and I cant wait to see what kind of a differance it makes. hope all of you with the 13 38 gearing are telling the truth when you say it makes a big change in the way it revs. having a little trouble staying with a buddies yamasuckie 450 that is piped with an airfilter kit and jet kit. but I dont care becaus with all my extras i still have less into my machine and it rides better and is almost as fast ( atleast before the sprocket change ). thanks for all the help fellow predator owners, I just cant decide what to do next the rezzies or a cdi box, anyone know which will gain more? thanks again
predator609
Joined
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2,923 Posts
yeha i got the exact same sprocket. It was cheap and i have had no teeth dissappear. I too had to grind on it a bit but i have had it off and on my preators a few times. 13/38 is to deep for me, i only use it for woods and dunes, and will prolly be changing back to a 14/38. I might try a 13/36.
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