CRF250L/M headlight HS1 35/35W not H4 60/55W

Jul 20, 2013
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Picked this up from another forum and puzzled. Thai CRF's have a low power 35/35W bulb - why? In checking mine the back of the headlight housing was actually marked "Thailand HS1 35/35W other H4 60/55W". What is the reason - local bike law and are other bikes similarly reduced?