{"title":"Cylinder Kits","description":null,"products":[{"product_id":"athena-97-04-yamaha-yz-125-stock-bore-complete-cylinder-kit","title":"Athena Complete Cylinder Kit (Stock Bore) for Yamaha YZ125 19972004","description":"\u003cp\u003eRestore factory-spec performance with the Athena Complete Cylinder Kit (Stock Bore) for Yamaha YZ125 models from 1997–2004. Designed as an all-in-one top-end solution, this kit is ideal when your original cylinder is worn, scored, or due for a rebuild. Athena’s proven engineering focuses on durability, consistent sealing, and reliable piston-to-cylinder performance for demanding motocross and trail use.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete cylinder kit\u003c\/strong\u003e designed for a stock bore rebuild\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium cylinder\u003c\/strong\u003e with galvanic coating for strength and wear resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged piston\u003c\/strong\u003e with molybdenum coating to reduce friction and improve longevity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for performance consistency\u003c\/strong\u003e under high heat and high RPM operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYamaha \u003cstrong\u003eYZ125\u003c\/strong\u003e \u003cstrong\u003e1997–2004\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eStock bore\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment disclaimer:\u003c\/strong\u003e Check your vehicle details before ordering.\u003c\/p\u003e\u003ch3\u003eBenefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHelps bring back crisp throttle response and dependable compression\u003c\/li\u003e\n\u003cli\u003eImproves reliability for racing, training, and weekend riding\u003c\/li\u003e\n\u003cli\u003eA practical solution when replacing a damaged or tired top end\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy From Us\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAU\/NZ-focused service and local-friendly support\u003c\/li\u003e\n\u003cli\u003eFast dispatch options and secure checkout\u003c\/li\u003e\n\u003cli\u003eTrusted parts range for riders who want quality that lasts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":42036830044203,"sku":"ATHP400485100003","price":978.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/7346\/2059\/files\/06dd71e36399717a634cc3a49b0dbc4e.jpg?v=1755566094"},{"product_id":"athena-01-04-yamaha-yz-125-stock-bore-complete-cylinder-kit","title":"Athena Complete Cylinder Kit (Stock Bore) for Yamaha YZ125 20012004","description":"\u003cp\u003eRestore strong, consistent power with the Athena Complete Cylinder Kit, built as a high-quality stock bore replacement for the Yamaha YZ125. Designed for riders who want dependable performance and long service life, this kit pairs a premium aluminum cylinder with protective galvanic coating and a forged piston featuring a molybdenum coating to help reduce friction and wear.\u003c\/p\u003e\u003cp\u003eIdeal for a top-end refresh or replacement, Athena’s engineering helps deliver smooth throttle response and reliable compression—great for motocross and off-road use where durability matters.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock bore\u003c\/strong\u003e sizing for standard replacement applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum cylinder\u003c\/strong\u003e with galvanic coating for durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged piston\u003c\/strong\u003e with molybdenum coating to reduce friction\u003c\/li\u003e\n\u003cli\u003eComplete cylinder kit designed for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cp\u003eCheck your vehicle details before ordering.\u003c\/p\u003e\u003ch3\u003eBenefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHelps restore engine performance and throttle response\u003c\/li\u003e\n\u003cli\u003eImproved wear resistance for longer service intervals\u003c\/li\u003e\n\u003cli\u003eReliable, high-quality option for top-end rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy From Us\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpecialist auto parts store serving NZ \u0026amp; AU customers\u003c\/li\u003e\n\u003cli\u003eQuality parts from trusted brands like Athena\u003c\/li\u003e\n\u003cli\u003eFast order processing and helpful customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment disclaimer:\u003c\/strong\u003e Confirm model\/year and specifications before purchase to ensure correct fit.\u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":42036830208043,"sku":"ATHP400485100008","price":855.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/7346\/2059\/files\/821f1f6872c4dc0775fc63049fc91edf.jpg?v=1755566094"},{"product_id":"athena-02-24-kawasaki-kx-65-44-5mm-cylinder","title":"Athena Cylinder Kit 44.5mm for Kawasaki KX65 (20022024)","description":"\u003cp\u003eRefresh your top end with the Athena Cylinder Kit, built for riders who want dependable performance from their Kawasaki KX65. This kit features a lightweight aluminium cylinder with a hard-wearing galvanic coating to help resist wear and maintain consistent sealing. The included forged piston uses a molybdenum coating to reduce friction and support smooth operation under load.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e44.5mm\u003c\/strong\u003e cylinder kit for KX65 applications\u003c\/li\u003e\n\u003cli\u003eAluminium cylinder with \u003cstrong\u003egalvanic coating\u003c\/strong\u003e for durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged piston\u003c\/strong\u003e with molybdenum coating to reduce scuffing\u003c\/li\u003e\n\u003cli\u003eDesigned to support reliable, high-performance riding\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cp\u003eFits: Kawasaki \u003cstrong\u003eKX65\u003c\/strong\u003e (2002–2024). Check your vehicle details before ordering.\u003c\/p\u003e\u003ch3\u003eBenefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRestores compression and helps bring back crisp throttle response\u003c\/li\u003e\n\u003cli\u003eImproved wear resistance for longer service life\u003c\/li\u003e\n\u003cli\u003eConfidence-inspiring reliability for race days or weekend riding\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy From Us\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpecialist auto and moto parts store serving \u003cstrong\u003eNZ \u0026amp; AU\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFast, careful dispatch and responsive local support\u003c\/li\u003e\n\u003cli\u003eGenuine branded parts from trusted suppliers\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment disclaimer:\u003c\/strong\u003e Fitment can vary by year and model—please confirm compatibility before purchase.\u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":42036833648683,"sku":"ATHS410250301006","price":381.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/7346\/2059\/files\/5b199ebd3e2c383d3b73536b80d787ad.jpg?v=1755566107"},{"product_id":"athena-97-04-yamaha-yz-125-lc-factory-54mm-cylinder","title":"Athena 54mm Cylinder Kit for Yamaha YZ125 LC (19972004)","description":"\u003cp\u003eRefresh and upgrade your top end with the Athena 54mm Cylinder Kit for Yamaha YZ125 LC models. Designed for riders who want dependable performance and long service life, this kit combines a lightweight aluminium cylinder with a hard-wearing galvanic coating to help resist scuffing and heat-related wear. Matched with a forged piston featuring a molybdenum-coated skirt, it’s built to deliver smooth operation and consistent power in demanding off-road conditions.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e54mm aluminium cylinder\u003c\/strong\u003e with galvanic coating for durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged piston\u003c\/strong\u003e with molybdenum coating to reduce friction\u003c\/li\u003e\n\u003cli\u003eEngineered as a complete cylinder kit for reliable top-end rebuilds\u003c\/li\u003e\n\u003cli\u003eQuality construction suited to motocross and trail use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eYamaha YZ125 LC (1997–2004)\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment disclaimer:\u003c\/strong\u003e Check your vehicle details before ordering.\u003c\/p\u003e\u003ch3\u003eBenefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eImproved wear resistance for longer-lasting performance\u003c\/li\u003e\n\u003cli\u003eStronger, smoother power delivery and throttle response\u003c\/li\u003e\n\u003cli\u003eReduced friction helps efficiency and piston life\u003c\/li\u003e\n\u003cli\u003eIdeal for restoring compression and reliability during a rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy From Us\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpecialist auto and moto parts supplier for NZ \u0026amp; AU\u003c\/li\u003e\n\u003cli\u003eGenuine-brand products from trusted manufacturers like Athena\u003c\/li\u003e\n\u003cli\u003eFast local shipping options and responsive customer support\u003c\/li\u003e\n\u003cli\u003eClear product information to help you buy with confidence\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":42036833812523,"sku":"ATHS410485301003","price":389.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/7346\/2059\/files\/d9319f9a73c72cfec60f8683aeed98ef.jpg?v=1755566107"},{"product_id":"cylinder-works-06-08-kawasaki-kx-250-f-cylinder-head-kit","title":"Cylinder Works Cylinder Head Kit for 06-08 Kawasaki KX 250 F","description":"\u003cp\u003eUpgrade your Kawasaki KX 250 F with the Cylinder Works Cylinder Head Kit, engineered for optimal performance and reliability. This kit includes an OEM-style cast aluminum replacement cylinder head, equipped with cam caps and bolts, ensuring an out-of-the-box, ready-to-go installation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM-style cast aluminum construction\u003c\/li\u003e\n  \u003cli\u003eIncludes cam caps and bolts for easy installation\u003c\/li\u003e\n  \u003cli\u003eUnshrouded combustion chamber designed to improve airflow\u003c\/li\u003e\n  \u003cli\u003eBlended bowl and competition-grade valve job\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp\u003eCheck your vehicle details before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved airflow for enhanced engine performance\u003c\/li\u003e\n  \u003cli\u003eQuick installation with all necessary components included\u003c\/li\u003e\n  \u003cli\u003eDurable construction for long-lasting reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy From Us\u003c\/h3\u003e\n\u003cp\u003eWe offer high-quality parts backed by excellent customer service. Our commitment to your satisfaction ensures that you receive the best products for your vehicle.\u003c\/p\u003e\n\n\u003cp\u003e*Fitment may vary; please verify details before purchasing.\u003c\/p\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":42041094012971,"sku":"CYLCH3001-K01","price":585.61,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/7346\/2059\/files\/be77d8a685f7382415e75cd89273fdde.jpg?v=1755584498"},{"product_id":"cylinder-works-04-05-kawasaki-kx-250-f-250cc-cylinder-head-kit","title":"Cylinder Works 04-05 Kawasaki KX 250 F 250cc Cylinder Head Kit","description":"OEM-style cast aluminum replacement cylinder head comes complete with cam caps and bolts for an out-of-the-box, ready-to-go installation. The unshrouded combustion chamber is designed to improve airflow, featuring a blended bowl and competition-grade valve job.","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":42121256599595,"sku":"CYLCH3002-K01","price":583.06,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/7346\/2059\/files\/0b7166bd8a075f9a1e227a9233bb71f1.jpg?v=1756472408"},{"product_id":"athena-05-21-yamaha-yz-125-lc-factory-54mm-cylinder","title":"Athena 05-21 Yamaha YZ 125 LC Factory 54mm Cylinder","description":"Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating.\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003cp\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2021\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ125\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":42296015913003,"sku":"ATHS410485301012","price":394.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/7346\/2059\/files\/4c8d7ab5e18b36eea7a0caf9656ddc29.jpg?v=1758689346"},{"product_id":"athena-20-21-yamaha-yz-125-x-stock-bore-complete-cylinder-kit","title":"Athena 20-21 Yamaha YZ 125 X Stock Bore Complete Cylinder Kit","description":"Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating.\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003cp\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2021\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ125\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":42590462541867,"sku":"ATHP400485100017","price":978.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/7346\/2059\/files\/91c176b2d8994540ad457af962bdbb8c.jpg?v=1766268744"},{"product_id":"cylinder-works-02-08-crf-450-r-standard-bore-cylinder","title":"Cylinder Works 02-08 CRF 450 R Standard Bore Cylinder","description":"OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.\u003cp\u003eThis Part Fits:\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2008\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF450R\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":43123488718891,"sku":"CYL10002","price":382.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/7346\/2059\/files\/2ae3d20afc3e1ea94b73f53889cacd4d.jpg?v=1772641595"},{"product_id":"cylinder-works-2014-polaris-rzr-4-900-900cc-standard-bore-cylinder-93mm","title":"Cylinder Works 2014 Polaris RZR 4 900 900cc Standard Bore Cylinder 93mm","description":"OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.","brand":"Cylinder Works","offers":[{"title":"Default Title","offer_id":43926139895851,"sku":"CYL60001","price":639.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/7346\/2059\/files\/ebd92497f6a8e4902e37d64b9d6fea15.jpg?v=1776168692"}],"url":"https:\/\/riotparts.com\/collections\/cylinder-kits\/2002-kawasaki-kx65-esi9498057.oembed","provider":"Riot Parts","version":"1.0","type":"link"}