terrordactyl250 Posted March 24, 2010 ok heres my problem. i bought a exhuast crush rings on ebay and they guy keeps sending me ones are to big. on the page it said it would fit my bike. but its not. so i measured and the exhuast header is 38mm, the exhuast slot on the engine is 39mm. and the rings hes keeps send me are 40mm. anyone know the specs? 👍 Share this post Link to post Share on other sites
