{"product_id":"big-bore-cylinder-kit-23-27-gas-gas-husqvarna-ktm-mc-f-fc-sx-f-athena-p400270100027-86mm-282cc","title":"BIG BORE CYLINDER KIT 23-27 GAS GAS HUSQVARNA KTM MC F FC SX-F ATHENA P400270100027 86mm 282CC","description":"\u003cp\u003eThe Athena Big Bore Cylinder Kit with GET Boost increases the displacement of compatible 250 cc motocross engines to 282 cc. It combines a larger cylinder and piston with a pre-calibrated electronic module designed to manage the Big Bore configuration. The kit is intended to provide greater power and torque across the rev range while maintaining smooth, controllable delivery.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eGET Boost is pre-calibrated for the Big Bore configuration to manage engine operation and power delivery.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eThe module connects to the original system through a dedicated harness without permanent changes to the stock ECU or motorcycle wiring.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eThe cylinder is engineered for the increased mechanical loads and thermal demands of motocross use.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eThe piston is designed to withstand the loads associated with the increased displacement while maintaining low weight and dimensional precision.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eThe gaskets provide sealing for the new cylinder assembly.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eCylinder bore: 86 mm.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eEngine displacement with kit installed: 282 cc.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eBig Bore cylinder.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eForged piston, wrist pin and piston rings.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eComplete gasket set for cylinder installation.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ePre-calibrated GET Boost electronic module.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eAthena: P400270100027.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eGAS GAS MC F 250 cc: 2024–2027.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eHUSQVARNA FC 250 cc: 2023–2027.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eKTM SX-F 250 cc: 2023–2027.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"ORO2U","offers":[{"title":"Default Title","offer_id":57686458827125,"sku":"56-K2520.86.CKA","price":781.33,"currency_code":"GBP","in_stock":false}],"url":"https:\/\/www.smxoffroad.com\/products\/big-bore-cylinder-kit-23-27-gas-gas-husqvarna-ktm-mc-f-fc-sx-f-athena-p400270100027-86mm-282cc","provider":"SMXOFFROAD Ltd","version":"1.0","type":"link"}