How much does it cost to insure the yamaha yzf-r125 and the Derbi gpr 125 at the age of seventeen?

and which is the best out of the two motor bikes?How much does it cost to insure the yamaha yzf-r125 and the Derbi gpr 125 at the age of seventeen?neither get a 2 Stroke like a TZR125R or a RD125 or a older GPR125 insurance on them 2 should cost round 600 quid 3rd party fire and theft on the 2 strokes bout 360 3rd party fire and theft