{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"735e6bc6f5cb","name":"PISTON KIT 1983&85 YZ125 56.75, WOSSNER 8119D075 YAMAHA","sku":"56-W503+075.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":112.6,"formatted":"£112.60"},"summary":"Wossner piston kit with 56.75mm bore (+0.75 oversize) and 56.69mm measured bore. Forged construction for enhanced strength and improved thermal transfer. Piston's elliptical shape distributes thrust loads evenly, reducing the risk of piston collapse. Manufactured in Germany. Bore Size: 56.75mm. Bore (Actual Measured): 56.69mm. Display Volume: 83 cm³. Stroke: 84.00mm. Clearance: 0.06mm. Compression Ratio (Wossner): 2-stroke. Compression Ratio (OEM): 2-stroke. Compression Height: 30.80mm. Dome Volume: Not specified. Theoretical Weight: Not specified. Lock Part Number: CW16. Pin Part Number: WP036. Ring Set Part Number: RSB5600. Cross-Reference OEM Part Numbers: 39W-11-630-00-00, 55Y-11631-00-94.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"56.75mm"},{"label":"Variant Id","value":"256560"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W503_2B075_2EWO/94a66b588f7b6532.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W503_2B075_2EWO/94a66b588f7b6532.jpg"],"description":"Wossner piston kit with 56.75mm bore (+0.75 oversize) and 56.69mm measured bore. Forged construction for enhanced strength and improved thermal transfer. Piston's elliptical shape distributes thrust loads evenly, reducing the risk of piston collapse. Manufactured in Germany. Bore Size: 56.75mm. Bore (Actual Measured): 56.69mm. Display Volume: 83 cm³. Stroke: 84.00mm. Clearance: 0.06mm. Compression Ratio (Wossner): 2-stroke. Compression Ratio (OEM): 2-stroke. Compression Height: 30.80mm. Dome Volume: Not specified. Theoretical Weight: Not specified. Lock Part Number: CW16. Pin Part Number: WP036. Ring Set Part Number: RSB5600. Cross-Reference OEM Part Numbers: 39W-11-630-00-00, 55Y-11631-00-94.","descriptionMarkdown":"### Wossner Piston Kit 56.75mm Bore for Yamaha YZ125\n\nUpgrade your Yamaha YZ125 with this high-performance Wossner piston kit. Engineered for durability and optimal performance, this kit features a forged construction and an advanced elliptical design.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides superior strength and longevity.\n\t\n- Enhanced Thermal Transfer: Effectively moves heat from the combustion chamber to the cylinder walls, aiding in efficient engine operation.\n\t\n- Elliptical Piston Design: Ensures uniform pressure distribution, significantly reducing thrust loads and minimizing the risk of piston collapse.\n\t\n- German Engineering: Manufactured to exacting standards in Germany.\n\n#### Specifications:\n\n\t\n- Bore Size: 56.75mm\n\t\n- Actual Measured Bore: 56.69mm\n\t\n- Stroke: 84.00mm\n\t\n- Piston Clearance: 0.06mm\n\t\n- Compression Height: 30.80mm\n\t\n- Lock Pin Part Number: CW16\n\t\n- Pin Part Number: WP036\n\t\n- Ring Set Part Number: RSB5600","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-198385-yz125-5675-wossner-8119d075-yamaha","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/735e6bc6f5cb:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/735e6bc6f5cb: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."]}}