Find great deals on eBay for yamaha ybr125 parts and yamaha ybr 125 seat. Shop with confidence. Skip to main content. eBay logo: Shop by category. Shop by category. Enter your search keyword YAMAHA YBR 125 ENGINE BARREL AND PISTON USED 12K 2012 BIKE GENUINE YAMAHA PARTS. EUR 31. 60 EUR 8. 75 postage;