Idle speed is 1300±100 rpm for all models. Needle clip positions are numbered from top (fat end) to bottom (tapered tip): 1 top, leanest 2 3 usually stock 4. Honda XR250R Specifications 1996 - 2004. Engine Type: 249cc air-cooled dry-sump single-cylinder four-stroke:. Top Speed. The Honda XR250R top speed is 66 mph. However, If you or the previous owner geared the dirt bike down for trails, it won't be as fast. On the other hand, if you (or they) geared it for the road or dessert, then it could easily go faster. Gearing plays a significant role in the delivery of your bike's power.
6 Speed : Final Drive: Chain: Gear Ratio:. Last year Honda deep-sixed its aged XR250R and introduced an impressive 350 to backstop its strikingly new XR500. This pair of bikes carried all-new chassis and running gear, and both powerplants had Honda's innovative Radial Four-Valve Combustion Chamber (RFVC) engine design.. Air caps top both.. Americans don't have a Baja model. But the stock XR250 has a 14T / 48T gearing. I have had XR280s to top 82mph with stock gearing. But most topped out at about 78mph. That is with diffent carbs , big bore kits, and unplugged pipes. I would say as box stock XR250 with proper jetting should top 75mph easily. Cher'o, Dwight