How to mend Derbi Senda R50

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

how to fix my petrol problem?

Derbi Senda Wont Run When Hot?

my derbi senda sm extreme 2007 ?

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

fixing my dtr 2001 model?

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

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

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

Derbi Senda Excessive Fuel Consumption?

runs fast then cuts out?

derbi senda indicators?

i have a brand new 2010 derbi senda xrace ?

faring?

My derbi senda 50cc keeps cutting out?

my derbi gp1 open 50cc won't start?

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

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

eletronic fault on my derbi senda extreme 03 plate?

please help with my Derbi terra 125?

2003 Derbi Senda R50 6 speed?

Which pipe goes to where?

derbi senda 54 plate leak?

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

is the battery dead?

derbi senda?

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

adam or bb from m?

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

Derbi Senda 50cc?