{"product_id":"esh-b0fwjgf519","title":"Karoyd RETROL HM-01 Black Hit-and-Miss Engine Model","description":"\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Karoyd\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Kit\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 17 x 13 x 13cm\u003c\/p\u003e\u003ch4\u003eFeatures\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.After four months of dedicated development and design, the RETROL team proudly presents the HM-01 Hit and Miss Engine Model—now unveiled in a stunning new black edition, following the widely acclaimed debut of the red version. Upholding the tradition of using premium materials and exceptional craftsmanship, the HM-01 ensures superior reliability and durability.\u003c\/li\u003e\n\u003cli\u003e.In terms of design, this model retains all the iconic elements such as a transparent adjustable main oil cup, new-style carburetor, and resonating exhaust pipe. Two precisely balanced large flywheels work in harmony with the spring governor ball mechanism and split wide-surface pulley, ensuring smooth and stable power output.\u003c\/li\u003e\n\u003cli\u003eA specially designed high\/low-speed gear lever enables users to freely switch between ultra-slow idle and high-speed operation, delivering a rich, hands-on mechanical experience and endless fun.\u003c\/li\u003e\n\u003cli\u003e.In terms of craftsmanship, the black edition features a deep obsidian black finish achieved through electrophoresis coating, giving it a mysterious and luxurious appearance. Key components such as the engine body, flywheels, and connecting rods are made from 304 stainless steel, while all assembly surfaces are CNC-machined for precision. It is equipped with an integrated high-carbon steel hardened crankshaft, further enhancing its overall quality.\u003c\/li\u003e\n\u003cli\u003e.More than just a highly playable engine model, the black HM-01 is a mechanical masterpiece that perfectly blends mechanical aesthetics with collector value, making it a unique and captivating addition to any collection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eDetails\u003c\/h4\u003e\u003cp\u003eThe Karoyd RETROL HM-01 is a black 4-stroke horizontal hit-and-miss engine model with adjustable oil cup, new-style carburetor, resonating exhaust pipe, and dual flywheels. A high\/low-speed gear lever supports hands-on operation, while CNC-machined assembly surfaces, 304 stainless steel components, an electrophoresis coating, and a hardened crankshaft add detailed mechanical construction for display or collection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEAN:\u003c\/strong\u003e 6213960070158\u003c\/p\u003e","brand":"Karoyd","offers":[{"title":"Default Title","offer_id":46199045324898,"sku":"6213960070158","price":729.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/7085\/1170\/files\/41oQqPhCJBL._SL500.jpg?v=1789969988","url":"https:\/\/ecosweethome.com\/products\/esh-b0fwjgf519","provider":"Eco Sweet Home","version":"1.0","type":"link"}