{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"97874a728533","name":"PISTON KIT 87-89 KX250 69.00, WOSSNER 8129D160 KAWASAKI MX","sku":"56-W556+160.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":159.46,"formatted":"£159.46"},"summary":"This Wossner 69.00mm (+1.60 oversize) forged piston kit is designed for two-stroke engines. It features a forged construction and an elliptical profile to enhance strength, manage thermal expansion, and improve load distribution. Manufactured in Germany, this piston facilitates effective combustion heat transfer, minimizing the risk of structural failure under demanding conditions. Specifications include a bore of 69.00mm, actual diameter of 68.94mm, displacement of 249 cm³, stroke of 70.00mm, clearance of 0.06mm, compression height of 37.00mm, and a 2-stroke compression ratio. The kit includes piston, lock CW18, pin WP033, and two ring sets RSB6900. Part numbers are 56-W556+160.WO and Wossner Piston Kit No. 8129D160.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"69mm"},{"label":"Variant Id","value":"256791"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W556_2B160_2EWO/10cb1b88ef462f08.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W556_2B160_2EWO/10cb1b88ef462f08.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W556_2B160_2EWO/e1136e4429747cc2.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W556_2B160_2EWO/c86b1aa391092869.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W556_2B160_2EWO/698e5e7312334bb4.jpg"],"description":"This Wossner 69.00mm (+1.60 oversize) forged piston kit is designed for two-stroke engines. It features a forged construction and an elliptical profile to enhance strength, manage thermal expansion, and improve load distribution. Manufactured in Germany, this piston facilitates effective combustion heat transfer, minimizing the risk of structural failure under demanding conditions. Specifications include a bore of 69.00mm, actual diameter of 68.94mm, displacement of 249 cm³, stroke of 70.00mm, clearance of 0.06mm, compression height of 37.00mm, and a 2-stroke compression ratio. The kit includes piston, lock CW18, pin WP033, and two ring sets RSB6900. Part numbers are 56-W556+160.WO and Wossner Piston Kit No. 8129D160.","descriptionMarkdown":"### Wossner Forged Piston Kit for Kawasaki KX250 (1987-1989) - 69.00mm Oversize\n\nThis Wossner forged piston kit is precision-engineered for Kawasaki KX250 two-stroke engines manufactured between 1987 and 1989. Featuring a 69.00mm bore and a +1.60mm oversize specification, this kit is designed to enhance the performance and durability of your motorcycle's engine.\n\n**Key Features:**\n\n \n- Forged Construction: Provides superior strength and resistance to thermal stress and mechanical loads compared to cast pistons.\n \n- Elliptical Profile: Engineered for optimal load distribution and to manage thermal expansion, ensuring consistent contact and performance across the bearing surface even under high operating temperatures.\n \n- Optimised Heat Transfer: Facilitates efficient transfer of combustion heat to the cylinder walls, reducing the risk of overheating and structural failure.\n \n- German Engineering: Manufactured in Germany, ensuring high standards of quality and precision.\n \n- Durable Components: Includes a high-quality lock, pin, and ring set for a complete and reliable repair.\n\n**Specifications:**\n\n \n- Bore Size: 69.00mm\n \n- Actual Piston Diameter: 68.94mm\n \n- Displacement: 249 cm&sup3;\n \n- Stroke: 70.00mm\n \n- Recommended Piston Clearance: 0.06mm\n \n- Compression Height: 37.00mm\n \n- Compression Ratio Type: 2-stroke\n\n**Included Components:**\n\n \n- Wossner Piston Kit Part Number: 8129D160\n \n- Lock: CW18\n \n- Piston Pin: WP033\n \n- Ring Set: RSB6900 (x2)","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-87-89-kx250-6900-wossner-8129d160-kawasaki-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/97874a728533:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/97874a728533:1"}},"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."]}}