When replacing cables or working on the bike in general the cables tend to get twisted up and routed where they don’t belong. Here are some diagrams showing the factory recommended cable routing for the throttle cables, clutch cables, decompression cables, and other wires.
Everyone will have to choose the gearing on their XR650R that works best for them and their riding locations, conditions, and style. Here are the final gear ratios produced by each sprocket combination to help you decide what to try next.
Front Sprocket / Rear Sprocket | Gear Ratio
13/46 | 3.538:1
14/46 | 3.285:1
15/46 | 3.06:1
16/46 | 2.875:1
13/47 | 3.615:1
14/47 | 3.357:1
15/47 | 3.133:1 (popular for distance riding, lower RPMs/better mileage)
16/47 | 2.937:1
13/48 | 3.692:1
14/48 | 3.428:1 (Stock gearing)
15/48 | 3.2:1 (popular all around choice)
There are constant questions about the size of this nut. If you can’t break out a pair of calipers, well, here it is. It’s 27mm.