How to mend Derbi Senda 50cc

i have a brand new 2010 derbi senda xrace ?

My derbi senda 50cc keeps cutting out?

my derbi senda sm extreme 2007 ?

derbi senda 54 plate leak?

derbi senda?

Which pipe goes to where?

petrol is pushed through the exhaust port on my derbi senda 06?

how to fix my petrol problem?

my derbi gp1 open 50cc won't start?

Derbi Senda 50cc?

eletronic fault on my derbi senda extreme 03 plate?

faring?

please help with my Derbi terra 125?

how do i open the valves fully on my dtr 125 02 model?

my sons derbi 50cc bike was going yestewrday then it started to smoke a bit?

my derbi senda's spark plug turns black after one run? plz help?

derbi senda indicators?

how can i fix my derbi senda x-treme indicators?

how can i get my head bolts out they have snapped ? derbi gpr?

adam or bb from m?

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

Derbi Senda Wont Run When Hot?

is the battery dead?

runs fast then cuts out?

Derbi Senda Excessive Fuel Consumption?

2003 Derbi Senda R50 6 speed?

My derbi senda has orange spark and won't start ?

fixing my dtr 2001 model?

how to reset the service light on my Derbi terra 125?

Derbi senda , no fuel coming through the pipes from the tank to the carb?