{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a0bd2b17a4cb","name":"PISTON KIT 14-15 YZF250 77.02, FORGED WOSSNER 8893DC","sku":"56-W4961.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 part number 8893DC features a 77.02mm bore with an actual piston size of 76.98mm. This German-made piston is engineered for performance with high strength, efficient heat transfer, and balanced load distribution through its elliptical profile, offering a compression increase over OEM specifications. Features include forged construction for strength and durability, an elliptical design for even thermal expansion and thrust load distribution, optimized efficient combustion heat transfer, and direct OEM replacement. Specifications include a 77.02mm bore size, 76.98mm actual piston size, 249cm³ displacement, 53.60mm stroke, 0.05mm clearance, -3.00cm³ dome volume, 13.70:1 Wossner compression ratio, 13.50:1 OEM compression ratio, and 20.20mm compression height. Cross-reference OEM part numbers: 40116M07700, CW16 (Lock), WP087 (Pin), 770XAS-2 (Ring Set).","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77.02mm"},{"label":"Variant Id","value":"256480"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55426_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55426_1.jpg"],"description":"Wossner forged piston kit part number 8893DC features a 77.02mm bore with an actual piston size of 76.98mm. This German-made piston is engineered for performance with high strength, efficient heat transfer, and balanced load distribution through its elliptical profile, offering a compression increase over OEM specifications. Features include forged construction for strength and durability, an elliptical design for even thermal expansion and thrust load distribution, optimized efficient combustion heat transfer, and direct OEM replacement. Specifications include a 77.02mm bore size, 76.98mm actual piston size, 249cm³ displacement, 53.60mm stroke, 0.05mm clearance, -3.00cm³ dome volume, 13.70:1 Wossner compression ratio, 13.50:1 OEM compression ratio, and 20.20mm compression height. Cross-reference OEM part numbers: 40116M07700, CW16 (Lock), WP087 (Pin), 770XAS-2 (Ring Set).","descriptionMarkdown":"### Wossner Forged Piston Kit 8893DC\n\nEnhance your engine's performance with the Wossner 8893DC forged piston kit. This high-quality piston kit is engineered in Germany for superior strength, durability, and optimized performance in demanding applications. It features a forged construction for exceptional robustness and an elliptical design that promotes even thermal expansion and balanced thrust load distribution. This design contributes to efficient combustion heat transfer, leading to improved engine efficiency.\n\nThe Wossner 8893DC piston kit offers a direct OEM replacement, designed for straightforward installation. While designed for ease of fitment, professional installation is recommended if you are unsure.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides exceptional strength and durability for high-performance engines.\n\t\n- Elliptical Piston Design: Optimizes thermal expansion and thrust load distribution for improved engine operation.\n\t\n- Efficient Heat Transfer: Engineered to manage combustion heat effectively.\n\t\n- German Engineering: Manufactured to high standards in Germany.\n\t\n- Direct OEM Replacement: Designed to seamlessly integrate with your existing engine components.\n\t\n- Performance Enhancement: Offers a compression increase over OEM specifications for boosted power.\n\n#### Specifications:\n\n\t\n- Bore Size: 77.02mm\n\t\n- Actual Piston Size: 76.98mm\n\t\n- Displacement: 249cm&sup3;\n\t\n- Stroke: 53.60mm\n\t\n- Clearance: 0.05mm\n\t\n- Dome Volume: -3.00cm&sup3;\n\t\n- Wossner Compression Ratio: 13.70:1\n\t\n- OEM Compression Ratio: 13.50:1\n\t\n- Compression Height: 20.20mm\n\n#### Cross-Reference OEM Part Numbers:\n\n\t\n- 40116M07700\n\t\n- CW16 (Lock)\n\t\n- WP087 (Pin)\n\t\n- 770XAS-2 (Ring Set)","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2015–2019"},{"make":"YAMAHA","model":"WRF 250","cc":null,"notes":null,"years":"2014–2018"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2014–2018"},{"make":"YAMAHA","model":"YZ 250FX","cc":null,"notes":null,"years":"2014–2019"},{"make":"YAMAHA","model":"YZF 250","cc":null,"notes":null,"years":"2014–2015"},{"make":"YAMAHA","model":"YZF X 250","cc":null,"notes":null,"years":"2014–2019"}],"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-14-15-yzf250-7702-forged-wossner-8893dc","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a0bd2b17a4cb:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a0bd2b17a4cb: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. 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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."]}}