How to mend Derbi Senda 04

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

Derbi Senda Excessive Fuel Consumption?

My derbi senda 50cc keeps cutting out?

adam or bb from m?

how to fix my petrol problem?

i have a brand new 2010 derbi senda xrace ?

faring?

derbi senda?

Which pipe goes to where?

please help with my Derbi terra 125?

Derbi Senda 50cc?

Derbi Senda Wont Run When Hot?

my derbi gp1 open 50cc won't start?

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

derbi senda indicators?

derbi senda 54 plate leak?

fixing my dtr 2001 model?

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

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

my derbi senda sm extreme 2007 ?

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

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

2003 Derbi Senda R50 6 speed?

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

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?

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

runs fast then cuts out?

is the battery dead?

eletronic fault on my derbi senda extreme 03 plate?