Hur man byter kylarvätska på en Derbi Senda

How to change coolant and flush the cooling system on a Derbi DRD racing 07. This method works on most Derbi, Gilera, Aprilia etc. with the same cooling system and with both the old and the new engine. (D50B0, EBE050,EBS050) Music:   / ascence-about-youmaster-wav     / koven-x-roy-about-me-ncs-release     / anna-yvette-red-line-ncs-release