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Old 11-30-2012, 11:27 PM   #9
oldxr
Beastly Adventurer
 
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Joined: Jan 2007
Location: central komifornia
Oddometer: 1,118
My Honda xr650r on the dyno.Top trace is the oem carb rejetted.Bottem is an edelbrock carb with a 21e needle.Most of the weak/poor driveability is from carbs jetted for emissions so the bike can be imported.The oem carb has poor throttle response at low rpms.I have since found a 20e needle for the eldo and pulled 43 mpg on combined highway/dirt road touring with a giant loop pack on back.I forget but I found a company that can build a 50hp klr motor some where on the net.Its is a modern dohc 4 valve engine.Problem is most klr riders dont want to drop $2k in the engine.Usually you deduct %20 for the difference between rwhp and crankshaft hp
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