some one who has worked with bike for ever?

Which pipe goes to where?

please help with my Derbi terra 125?

Derbi Senda Excessive Fuel Consumption?

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

Derbi Senda 50cc?

eletronic fault on my derbi senda extreme 03 plate?

My derbi senda 50cc keeps cutting out?

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

2003 Derbi Senda R50 6 speed?

my derbi gp1 open 50cc won't start?

i have a brand new 2010 derbi senda xrace ?

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