Rx125R 1993 - 125cc Sportsbikes Forum

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Rx125R 1993 Dellorto VHSB 34 LD Carb Jetting

#1 User is offline   BradsRX 

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Posted 19 April 2021 - 11:29 PM

I have rebuilt the Rotax 123 engine for my 1993 Aprilia RX125R. Now cleaning carb and checking settings. Carb is Dellorto VHSB 34 LD with the following settings: Main jet - 140, Needle - K25 with clip at 2nd notch from top, Atomiser - DP266, Choke jet - 60, Idle jet emulsion tube - B34. I am struggling to get it to idle and rev up. Are these standard settings?

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