Thread: DR350 Thread
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Old 11-29-2012, 05:51 PM   #13745
was 2bold2getold
Joined: Dec 2011
Location: DFW TX
Oddometer: 1,906
Originally Posted by MrPulldown View Post

I might consider this int he future if I every go on another tour with a lot of street riding. I have a 13,14,15 front and a 41,43 rear. I can run all combinations with the same chain. Have not messed with the 49 rear I jsut got.

Right now I am riding the 13/43 and it has quite a bit of grunt and I can still do 65mph (gps). Have no idea what my RPMs are since I ditched my tach/speedo. IT is high though. I don't cruise for any length of time at that speed. I have even reach the low 70s on a short highway jaunt.

From very non scientific experiamenting, each step in one front tooth or 2 rear teeth will change the RPMs about 400 +/-100 rpms. .
The 400 +/- 100 RPMs sounds about right. On the last mountain jeep trail ride we did last Sept. I used 14/41. 1st gear had plenty in the dirt but had trouble keeping up with a new KLR and XR650R on the road. Probably 8K ft +. Don't know if the 15 would have pulled it but think I'll give it a try ( and carry the 14 ). The 15 felt about right on a 50/50 dirt road ride here ( 640 ft ) a couple weeks ago.
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