{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"dd883fb848ef","name":"PISTON KIT 93-02 YZ80 47.00 A, WOSSNER 8188DA YAMAHA MX","sku":"56-W646+00A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":97.82,"formatted":"£97.82"},"summary":"Wossner forged piston kit with a 47.00mm bore size (46.95mm actual) for Yamaha YZ80 models with a US bore. Manufactured in Germany, this piston kit features an elliptical design to provide uniform bearing surfaces during thermal expansion, enhancing combustion chamber heat transfer and evenly distributing thrust loads to help prevent piston collapse. Features include forged piston construction for superior strength and durability, engineered for effective heat transfer from combustion chamber to cylinder walls, elliptical design promotes uniform bearing surfaces under thermal expansion, reduces localised pressure and prevents piston collapse. Specifications: Bore Size 47.00mm (actual 46.95mm), Display Displacement 82 cm&sup3;, Stroke 47.80mm, Clearance 0.05mm, Wossner Compression Ratio 2-stroke, OEM Compression Ratio 2-stroke, Compression Height 26.00mm. Cross-Reference OEM Part Numbers: Piston Kit 8188DA, Lock CW14, Pin WP058, Ring Set RSB4700, Rod P2008.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"47.00mm"},{"label":"Variant Id","value":"257292"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock56238_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock56238_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56238_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56238_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56238_4.jpg"],"description":"Wossner forged piston kit with a 47.00mm bore size (46.95mm actual) for Yamaha YZ80 models with a US bore. Manufactured in Germany, this piston kit features an elliptical design to provide uniform bearing surfaces during thermal expansion, enhancing combustion chamber heat transfer and evenly distributing thrust loads to help prevent piston collapse. Features include forged piston construction for superior strength and durability, engineered for effective heat transfer from combustion chamber to cylinder walls, elliptical design promotes uniform bearing surfaces under thermal expansion, reduces localised pressure and prevents piston collapse. Specifications: Bore Size 47.00mm (actual 46.95mm), Display Displacement 82 cm&sup3;, Stroke 47.80mm, Clearance 0.05mm, Wossner Compression Ratio 2-stroke, OEM Compression Ratio 2-stroke, Compression Height 26.00mm. Cross-Reference OEM Part Numbers: Piston Kit 8188DA, Lock CW14, Pin WP058, Ring Set RSB4700, Rod P2008.","descriptionMarkdown":"### Wossner Piston Kit for Yamaha YZ80 (1993-2001)\n\nEnhance the performance and durability of your Yamaha YZ80 with this high-quality Wossner forged piston kit. Engineered for precision and built to last, this kit is designed to meet the demands of motocross riding.\n\n#### Key Features:\n\n\t\n- Forged Construction: Offers superior strength and longevity compared to cast pistons, ensuring reliability under high stress.\n\t\n- Elliptical Design: Promotes uniform bearing surfaces during thermal expansion, which helps in effective heat transfer from the combustion chamber to the cylinder walls.\n\t\n- Optimized Heat Transfer: Engineered to efficiently transfer heat, contributing to better engine performance and longevity.\n\t\n- Reduced Localised Pressure: The advanced design helps to distribute thrust loads evenly, preventing localized pressure points and reducing the risk of piston collapse.\n\t\n- German Engineering: Manufactured in Germany, ensuring high standards of quality and precision.\n\n#### Specifications:\n\n\t\n- Bore Size: 47.00mm (actual measurement 46.95mm)\n\t\n- Stroke: 47.80mm\n\t\n- Clearance: 0.05mm\n\t\n- Compression Height: 26.00mm\n\t\n- Piston Kit Part Number: 8188DA\n\n#### Included Components:\n\n\t\n- Piston\n\t\n- Lock (CW14)\n\t\n- Pin (WP058)\n\t\n- Ring Set (RSB4700)\n\t\n- Rod (P2008)","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-93-02-yz80-4700-a-wossner-8188da-yamaha-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/dd883fb848ef:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/dd883fb848ef: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."]}}