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Discussion Starter #1 (Edited)
I looked at the setup of my carb. and I wonder if it is ok. for this bike? I have not thought that the power at full speed/ full trottle, is impressive so I wonder if it can be wrong?

The engine has #"DU 63721" The carb. has #930/9

Mainjet: 240 needlejet: 107 needleposition: in the middle groowe
Throttle valve: 3 1/2
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