{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"dc663cbdda2a","name":"PISTON KIT 84-85 CR250 66.00, WOSSNER 8156DA HONDA MX","sku":"56-W526.P0.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":165.94,"formatted":"£165.94"},"summary":"Wossner piston kit with a 66.00 mm bore and 65.94 mm actual piston diameter. Forged in Germany for durability and heat transfer. Elliptical design for even load distribution. Features include a forged piston for structural integrity, efficient heat transfer, uniform thrust load distribution, and German manufacturing. Specifications: Bore size 66.00 mm, actual piston diameter 65.94 mm, display (cm³) 246, stroke 72.00 mm, clearance 0.06 mm, compression height 38.00 mm, Wossner compression ratio 2-stroke, OEM compression ratio 2-stroke. Cross-reference OEM part numbers: 13100-KA4-740, 526M06600. Wossner Piston Part Number: 8156DA. Lock Part Number: CW18. Pin Part Number: WP033. Ring Set Part Number: RSB6600 x2. Alternate Part Number: 56-W526.P0.WO. Weight: 318g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66mm"},{"label":"Variant Id","value":"256688"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W526_2EP0_2EWO/6f07556ed6c39352.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W526_2EP0_2EWO/6f07556ed6c39352.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W526_2EP0_2EWO/df3c023191440e59.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W526_2EP0_2EWO/d944df6450139ac7.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W526_2EP0_2EWO/7b57b15a40d70f47.jpg"],"description":"Wossner piston kit with a 66.00 mm bore and 65.94 mm actual piston diameter. Forged in Germany for durability and heat transfer. Elliptical design for even load distribution. Features include a forged piston for structural integrity, efficient heat transfer, uniform thrust load distribution, and German manufacturing. Specifications: Bore size 66.00 mm, actual piston diameter 65.94 mm, display (cm³) 246, stroke 72.00 mm, clearance 0.06 mm, compression height 38.00 mm, Wossner compression ratio 2-stroke, OEM compression ratio 2-stroke. Cross-reference OEM part numbers: 13100-KA4-740, 526M06600. Wossner Piston Part Number: 8156DA. Lock Part Number: CW18. Pin Part Number: WP033. Ring Set Part Number: RSB6600 x2. Alternate Part Number: 56-W526.P0.WO. Weight: 318g.","descriptionMarkdown":"### Wossner Piston Kit 66.00mm for Honda CR250R\n\nThis high-performance Wossner piston kit is engineered for durability and optimal heat management. Crafted using a forged construction, this piston offers superior structural integrity compared to cast alternatives. Its design prioritizes efficient heat transfer from the combustion chamber to the cylinder walls, crucial for maintaining engine performance and longevity.\n\nThe piston features an elliptical design that ensures even distribution of thrust loads. This intelligent design helps to mitigate localized stress during thermal expansion, effectively preventing piston collapse and promoting a smoother operation.\n\n**Key Features:**\n\n- Forged piston for enhanced structural integrity and durability.\n\n- Designed for efficient combustion heat transfer.\n\n- Elliptical shape promotes uniform thrust load distribution.\n\n- Manufactured in Germany for quality assurance.\n\n**Specifications:**\n\n- Bore size: 66.00 mm\n\n- Actual piston diameter: 65.94 mm\n\n- Display (cm³): 246\n\n- Stroke: 72.00 mm\n\n- Clearance: 0.06 mm\n\n- Compression height: 38.00 mm\n\n- Wossner compression ratio: 2-stroke\n\n- OEM compression ratio: 2-stroke\n\n**Kit Includes:**\n\n- Piston\n\n- Lock Part Number: CW18\n\n- Pin Part Number: WP033\n\n- Ring Set Part Number: RSB6600 (x2)\n\n**Cross-Reference OEM Part Numbers:**\n\n- 13100-KA4-740\n\n- 526M06600\n\n- Wossner Piston Part Number: 8156DA","weightGrams":null,"fitments":[{"make":"HONDA","model":"ATC R 250","cc":null,"notes":null,"years":"1985–1986"},{"make":"HONDA","model":"CR 250","cc":null,"notes":null,"years":"1984–1985"},{"make":"HONDA","model":"TRX 250","cc":null,"notes":null,"years":"1985–1989"}],"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-84-85-cr250-6600-wossner-8156da-honda-mx","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."]}}