{"product_id":"xr-crf100-stock-comp-plus-120cc-kit","title":"XR\/CRF100 - Stock Comp Plus 120cc Kit","description":"\u003cdiv class=\"bbr-description\"\u003e\r\n\u003cp\u003eBBR Motorsports celebrates one of the best selling dirt bikes of all time with this high-compression 120cc big bore engine kit for the XR\/CRF 100. Increased displacement, higher compression and large cooling fins enhance the performance and longevity of the motor. This is the only XR\/CRF100 bore kit that matches the new rocker arms perfectly to the new high-performance BBR cam shaft. This kit is ready to go and bolts on with no case boring required. Dyno tests show more than 2HP gain with this kit. Fits ALL model year XR and CRF100's. From 1981-Present year.\u003c\/p\u003e\r\n\u003c\/div\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003cdiv class=\"bbr-bullet-points\"\u003e\r\n\u003cul class=\"bbr-ul\"\u003e\r\n\u003cli\u003eIncreased displacement\u003c\/li\u003e\r\n\u003cli\u003eHigh compression\u003c\/li\u003e\r\n\u003cli\u003eHigh performance camshaft with HD valve springs\u003c\/li\u003e\r\n\u003cli\u003eNew rocker arms and adjusters\u003c\/li\u003e\r\n\u003cli\u003eBBR Large fin, aluminum cylinder with steel liner\u003c\/li\u003e\r\n\u003cli\u003e58mm piston, ring set, piston pin \u0026amp; clips\u003c\/li\u003e\r\n\u003cli\u003eGasket kit including cylinder head and base gaskets\u003c\/li\u003e\r\n\u003cli\u003eBBR Rev Box\u003c\/li\u003e\r\n\u003cli\u003eUni Air Filter\u003c\/li\u003e\r\n\u003cli\u003eAir Box Vents\u003c\/li\u003e\r\n\u003cli\u003eFits 1981-Present year XR\/CRF100's\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv class=\"bbr-additional-info\"\u003e\r\n\u003cp\u003e\u003ca href=\"http:\/\/www.bbrmotorsports.com\/Tech\/FAQ\/Documents\/JettingChart.htm\" target=\"_blank\"\u003e\u003cbr\u003eBBR General Jetting Guidelines Chart\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eStock XR\/CRF100 - 53.0mm bore, 45.0mm stroke\u003c\/p\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv class=\"bbr-instructions\"\u003e\u003ca href=\"https:\/\/bbrmotorsports.com\/Products\/ItemInfo\/411-HXR-1001\/Instructions\/XRCRF100_120BigBoreKit_New.pdf\" target=\"_blank\"\u003e120cc Big Bore Kit with Cam - XR\/CRF100 Instructions\u003c\/a\u003e\u003c\/div\u003e","brand":"BBR Motorsports","offers":[{"title":"Default Title","offer_id":52951877321076,"sku":"411-SCP-0120","price":285.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/2888\/9203\/files\/CRF80ProCompMotor_26d187ed-46b0-44b5-a6c6-aab038ae5090.jpg?v=1755290962","url":"https:\/\/bbrmotorsports.shop\/products\/xr-crf100-stock-comp-plus-120cc-kit","provider":"BBR Motorsports","version":"1.0","type":"link"}