How to mend Derbi Senda 50cc

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. ?

my derbi senda sm extreme 2007 ?

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

runs fast then cuts out?

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

adam or bb from m?

my derbi gp1 open 50cc won't start?

how to fix my petrol problem?

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

eletronic fault on my derbi senda extreme 03 plate?

Which pipe goes to where?

Derbi Senda 50cc?

2003 Derbi Senda R50 6 speed?

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

please help with my Derbi terra 125?

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

Derbi Senda Excessive Fuel Consumption?

is the battery dead?

faring?

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

i have a brand new 2010 derbi senda xrace ?

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

My derbi senda 50cc keeps cutting out?

derbi senda?

derbi senda 54 plate leak?

fixing my dtr 2001 model?

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

Derbi Senda Wont Run When Hot?

derbi senda indicators?