{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4ea8f09baf58","name":"PISTON KIT 1987 RM125 56.00, WOSSNER 8122D200 SUZUKI MX","sku":"56-W557+200_WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":135.7,"formatted":"£135.70"},"summary":"Wossner 56.00mm (+2.00 oversize) forged piston kit for two-stroke performance. Features a forged body and elliptical design to enhance heat transfer efficiency and provide uniform load distribution. The thrust load is evenly distributed to reduce localised stress and prevent piston collapse. Engineered for efficient combustion heat transfer to the cylinder walls. Manufactured in Germany. Bore: 56.00mm. Actual diameter: 55.94mm. Displacement: 123 cm³. Stroke: 70.00mm. Clearance: 0.06mm. Compression height: 37.00mm. Compression ratio: 2-stroke. Cross-reference OEM Part Numbers: Piston Kit Part No. 56-W557+200.WO, Wossner Piston Kit No. 8122D200, Lock CW14, Pin WP025, Ring Set RSB5600 x 2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"56mm"},{"label":"Variant Id","value":"256801"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55747_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55747_1.jpg"],"description":"Wossner 56.00mm (+2.00 oversize) forged piston kit for two-stroke performance. Features a forged body and elliptical design to enhance heat transfer efficiency and provide uniform load distribution. The thrust load is evenly distributed to reduce localised stress and prevent piston collapse. Engineered for efficient combustion heat transfer to the cylinder walls. Manufactured in Germany. Bore: 56.00mm. Actual diameter: 55.94mm. Displacement: 123 cm³. Stroke: 70.00mm. Clearance: 0.06mm. Compression height: 37.00mm. Compression ratio: 2-stroke. Cross-reference OEM Part Numbers: Piston Kit Part No. 56-W557+200.WO, Wossner Piston Kit No. 8122D200, Lock CW14, Pin WP025, Ring Set RSB5600 x 2.","descriptionMarkdown":"### Wossner 56.00mm Forged Piston Kit\n\nThis Wossner 56.00mm (+2.00 oversize) forged piston kit is engineered for high-performance two-stroke engines. Designed for optimal heat transfer and uniform load distribution, this piston ensures reliability under demanding operating conditions. Manufactured in Germany, it meets stringent quality standards for durability and performance.\n\n#### Key Features\n\n \n- Forged Piston: Provides superior strength and durability for high-performance applications.\n \n- Elliptical Design: Maintains a consistent bearing surface by accounting for heat expansion, reducing wear.\n \n- Even Thrust Load Distribution: Minimizes localized stress and prevents piston collapse by distributing forces uniformly.\n \n- Efficient Heat Transfer: Engineered to efficiently transfer combustion heat to the cylinder walls, aiding in engine cooling.\n \n- German Manufacturing: Ensures high quality and reliability.\n\n#### Specifications\n\n \n- Bore Size: 56.00mm\n \n- Actual Diameter: 55.94mm\n \n- Displacement: 123 cm&sup3;\n \n- Stroke: 70.00mm\n \n- Clearance: 0.06mm\n \n- Compression Height: 37.00mm\n \n- Compression Ratio: 2-stroke\n\n#### Included Components\n\n \n- Piston Kit Part Number: 56-W557+\n \n- Wossner Piston Kit Number: 8122D200\n \n- Lock Ring: CW14\n \n- Piston Pin: WP025\n \n- Ring Set: RSB5600 (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-1987-rm125-5600-wossner-8122d200-suzuki-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4ea8f09baf58:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4ea8f09baf58:1"}},"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."]}}