FITS: XR / CRF100. Replacement piston kit which includes piston, rings, pin and clips. The item “BBR Big Bore Engine Motor Kit 120cc Replacement Piston Rings Honda XR100 CRF100″ is in sale since Monday, January 9, 2017. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts”. The seller is “americanclassicmotors” and… Read more →