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Mend Derbi Senda 50cc

i have a derbi senda 50cc, on starting it revs straight up to 900 rpm. ?

i have a derbi senda 50cc, on starting it revs straight up to 900 rpm. I have checked accelerator cable and linkage they are free. any ideas please

Guy Stratton
October 2012
DerbiDerbi Senda 50ccVehicles, Motorcycles
generic answer as not familiar with the bike. Presuming this has a carb, check the butterly valve inside incase the spring / linkage internally has become damaged/ detached leaving the throttle in an open position. Choke on? if it has one. Check for the carb drawing in air around the gasket area.

mark
November 2012

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Derbi Senda 50cc High Revs - Help!