some one who has worked with bike for ever?

Which pipe goes to where?

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

2003 Derbi Senda R50 6 speed?

please help with my Derbi terra 125?

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

My derbi senda 50cc keeps cutting out?

eletronic fault on my derbi senda extreme 03 plate?

i have a brand new 2010 derbi senda xrace ?

Derbi Senda Excessive Fuel Consumption?

my derbi gp1 open 50cc won't start?

Derbi Senda 50cc?

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