{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"e2788020be33","name":"PISTON KIT 97-01 CR250 66.40, WOSSNER 8161DA1-RING, PISTON KIT 97-01 CR250 66.40","sku":"56-W703+00A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":153.68,"formatted":"£153.68"},"summary":"Wossner forged piston kit 8161DA features a 1-ring configuration with a 67.40 mm bore and a 66.34 mm actual piston diameter. This German-engineered piston provides high durability and efficient thermal performance through its forged structure and elliptical design. Features include forged construction for enhanced durability and strength, an elliptical profile for uniform pressure distribution during thermal expansion, and efficient heat transfer. Specifications include a bore size of 67.40 mm, actual piston diameter of 66.34 mm, displacement of 290 cm³, stroke of 72.00 mm, clearance of 0.06 mm, 2-stroke compression ratio, and a compression height of 38.00 mm. Cross-reference OEM part number 13101-KZ3-L10. Cross-reference component part numbers include piston kit 8161DA, lock CW18, pin WP033, ring set RSB6640, and rod P2021.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66.40mm"},{"label":"Variant Id","value":"257514"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W703_2B00A_2EWO/8619eb3f22f4237e.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W703_2B00A_2EWO/8619eb3f22f4237e.jpg"],"description":"Wossner forged piston kit 8161DA features a 1-ring configuration with a 67.40 mm bore and a 66.34 mm actual piston diameter. This German-engineered piston provides high durability and efficient thermal performance through its forged structure and elliptical design. Features include forged construction for enhanced durability and strength, an elliptical profile for uniform pressure distribution during thermal expansion, and efficient heat transfer. Specifications include a bore size of 67.40 mm, actual piston diameter of 66.34 mm, displacement of 290 cm³, stroke of 72.00 mm, clearance of 0.06 mm, 2-stroke compression ratio, and a compression height of 38.00 mm. Cross-reference OEM part number 13101-KZ3-L10. Cross-reference component part numbers include piston kit 8161DA, lock CW18, pin WP033, ring set RSB6640, and rod P2021.","descriptionMarkdown":"### Wossner Forged Piston Kit 8161DA for Honda CR250R\n\nExperience enhanced durability and superior thermal performance with the Wossner forged piston kit 8161DA. Engineered in Germany, this standard size piston is meticulously crafted for Honda CR250R models, offering a precise fit and reliable operation.\n\n### Key Features\n\n\t\n- Forged construction for superior strength and longevity\n\t\n- Elliptical piston profile for optimized pressure distribution during thermal expansion\n\t\n- Designed for efficient heat transfer from the combustion chamber\n\t\n- Precision German engineering ensures high quality and reliability\n\t\n- 1-ring configuration for specific performance characteristics\n\n### Specifications\n\n\t\n- Bore Size: 67.40 mm\n\t\n- Actual Piston Diameter: 66.34 mm\n\t\n- Displacement: 290 cm&sup3;\n\t\n- Stroke: 72.00 mm\n\t\n- Clearance: 0.06 mm\n\t\n- Compression Ratio: 2-stroke (compatible with Wossner and OEM specifications)\n\t\n- Compression Height: 38.00 mm\n\n### Component Details\n\n\t\n- Piston Kit: 8161DA\n\t\n- Lock: CW18\n\t\n- Pin: WP033\n\t\n- Ring Set: RSB6640","weightGrams":null,"fitments":[],"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-97-01-cr250-6640-wossner-8161da1-ring-piston-kit-97-01-cr250-6640","buyOneNow":null,"basketWithThis":null}},"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."]}}