{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"68629c62bc07","name":"PISTON KIT 11-14 KX250F 77mm C, 8814DC WOSSNER KAWASAKI","sku":"56-W952.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":182.86,"formatted":"£182.86"},"summary":"Wossner forged piston kit with a 77.02mm bore size (76.98mm actual), offering a +0.02mm oversize specification. This two-ring piston is precision-manufactured in Germany and features an elliptical design for balanced thrust force distribution and efficient heat transfer. Specifications include a 249 cm&sup3; displacement, 53.60 mm stroke, 0.04 mm clearance, OEM compression ratio, 13.50:1 OEM compression ratio, -2.80 cm&sup3; dome volume, 19.60 mm compression height, CW16 lock part number, WP070 pin part number, and 770XAS-2 ring set part number.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77.00mm"},{"label":"Variant Id","value":"258363"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57309_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57309_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57309_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57309_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57309_4.jpg"],"description":"Wossner forged piston kit with a 77.02mm bore size (76.98mm actual), offering a +0.02mm oversize specification. This two-ring piston is precision-manufactured in Germany and features an elliptical design for balanced thrust force distribution and efficient heat transfer. Specifications include a 249 cm&sup3; displacement, 53.60 mm stroke, 0.04 mm clearance, OEM compression ratio, 13.50:1 OEM compression ratio, -2.80 cm&sup3; dome volume, 19.60 mm compression height, CW16 lock part number, WP070 pin part number, and 770XAS-2 ring set part number.","descriptionMarkdown":"### Wossner 77mm Forged Piston Kit for Kawasaki KX250F (2011-2014)\n\nUpgrade your Kawasaki KX250F's engine performance with this high-quality Wossner forged piston kit. Engineered for durability and optimal power output, this piston kit is designed to meet the demands of high-performance riding.\n\n**Key Features:**\n\n- Forged piston construction ensures superior strength and longevity under extreme conditions.\n\n- Features a two-ring design for enhanced sealing and improved combustion efficiency.\n\n- The elliptical piston shape promotes balanced thrust force distribution, reducing stress on the engine.\n\n- Precision manufacturing in Germany guarantees exceptional quality and reliability.\n\n- Designed for efficient heat dissipation, helping to maintain optimal engine temperatures.\n\n**Specifications:**\n\n- Bore Size: 77.02mm (actual 76.98mm) - a +0.02mm oversize for precise fitting.\n\n- Stroke: 53.60 mm\n\n- Clearance: 0.04 mm\n\n- Compression Ratio (Wossner): OEM Equivalent\n\n- Compression Ratio (OEM): 13.50:1\n\n- Dome Volume: -2.80 cm&sup3;\n\n- Compression Height: 19.60 mm\n\n- Lock Part Number: CW16\n\n- Pin Part Number: WP070\n\n- Ring Set Part Number: 770XAS-2\n\nThis Wossner piston kit is an excellent choice for riders seeking to maintain or enhance the performance of their Kawasaki KX250F.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 250F","cc":null,"notes":null,"years":"2010–2016"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Pistons & Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/pistons-kits"}],"links":{"page":"https://www.2brosparts.com/products/piston-kit-11-14-kx250f-77mm-c-8814dc-wossner-kawasaki","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/68629c62bc07:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/68629c62bc07:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}