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gearing help

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I primarily ride two tracks. One is a wide open track with only one tight spot and it is still pretty open. I also ride an indoor track that is super tight. I am not able to clear most of the jumps because I come out of a turn and am not able to get enought momentum. ON the outdoor track I feel that I am coming out of the turns sluggishly. I own a 2004 yz250f the stock gearing is still there 13/48. I was just wondering what two gear ratios would be best for these tracks even if I have to by two sets of sprockets.

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I run a 52 rear sprocket. you will need a longer chain (2 links).

Just remember that you may need to improve your cornering speeds to clear these obstacles.

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Try running a 50 tooth sprocket for the really tight tracks and a 47 or stock sprocket for the open tracks.

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Ran the 52 yesterday on the indoor. It was great on the taller ratio 426, but ran out of gear to fast on the 250F

I am going to get my 51 from my friend again and try that. Otherwise, it maybe a 50.

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I would leave the stock rear sprocket, but change the countershaft sprocket. This is essentially the same as changing 3 or 4 teeth at the rear by changing one up front. I run a 14 on the front and 48 on the back, I never feel like I need more bottom end. Even on tight indoor tracks or riding tight trails, weaving the handlebars through trees, then opening it up on a road, this gearing is just fine for me. Much less time and effort is required to change front sprockets compared to the rear. This is the main reason I would change the coutnershaft sprocket. Remember that for optimum chain and sprocket life, change all three componets at the same time.

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I've been running a 13/50 combo both indoor and out and love it. I pull a little faster out of the hole and still have plenty of gear left to rev out.

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