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some sprocket advice

7 posts in this topic

Ive got a 06 WR450 that is plated. I dont ride the road very much, just to get to the trail. Sometimes Ill do 20-30 miles of road to get to a ride. My WR is a great bike but Ill never confuse it with a street bike. It feels like Im running the crap out of it on the highway at about 65mph.

Living in the northeast I do alot of tight trail and rocky riding, so alot of slower trail work. Id really like to have a little lower gearing but that bit of road time has prvented me from changing out my sprockets.

For those that have changed out the stock tooth sizes how much of a difference did you really get? Perfect world I wish the WR had a 6 speed tranny but thats not gonna happen. I need a lower 1st, 2nd and a bit of 3rd but want my 4th and 5th to stay where theyre at. I know thats not happening.

Any suggestion on a front/rear combo that would offer a good balance for what Im describing?

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I run 13/50 without any trouble on my 06....gives me a little more torque, wears about the same as stock (14/50) and allows me to cruise on highway at 60-65. Granted its not a highway bike by any means but I don't use it for highway much....my 1 cent.

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I am probably 70% street and 30% trail on enduro tires with my 07. The bike is totally uncorked and has amazing torque. Almost too much in the lower gears for what I use the bike for. Next week I will be dropping 2 teeth on my rear sprocket to 48 to extend the gears a little and gain some top-end. (I dont expect much of a difference, but I want to experiment anyway). I could have gone lower by 3 or 4 teeth or gone up a tooth on the front but I didn't want to risk losing too much torque. I will report back on any difference, pro's and con's etc. when I am done.

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For those that have changed out the stock tooth sizes how much of a difference did you really get? Perfect world I wish the WR had a 6 speed tranny but thats not gonna happen. I need a lower 1st, 2nd and a bit of 3rd but want my 4th and 5th to stay where theyre at. I know thats not happening.

Any suggestion on a front/rear combo that would offer a good balance for what Im describing?

you have already got a good balance with the standard sprocket sizes. dont go to making big changes as you will end up way out, i would suggest maybe go up one tooth on the rear and try that.... it worked for me......... you will notice the biggest change if you go up or down a tooth on the front but i think i remember right that one tooth up or down on the front is equal to three on the rear, but i think this is to much change the improvement you are looking for. good luck:ride:

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Thanks for the info. I didnt want to start a sprocket collection trying different combos.

Muddyken did you change out your rear sprocket? If you did what kind of top end drop did you see?

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Changed my 06 from 14/50 to 15/50 and much better for top end HWY and still has heaps of grunt for low end. Cheap and same length chain.

Hope this helps.

Richie

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