{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4c435d8634d4","name":"PISTON KIT 89-99 RM125 55.50, WOSSNER 8055D150 SUZUKI MX","sku":"56-W641_150.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":115.06,"formatted":"£115.06"},"summary":"Wossner forged piston kit for Suzuki RM125 models 1989-1999 with a 55.50mm bore. This piston offers high strength, superior heat transfer, and uniform load distribution. Its elliptical design minimizes localized stresses under high-temperature conditions, reducing the risk of piston collapse. Manufactured in Germany. Features: forged construction, optimized design for effective combustion chamber heat transfer, elliptical geometry for uniform pressure distribution. Specifications: Bore Size 55.50mm, Actual Piston Size 55.45mm, Display Capacity 123 cm³, Stroke 54.00mm, Clearance 0.05mm, Compression Ratio (Wossner) 2-stroke, Compression Ratio (OEM) 2-stroke, Compression Height 29.50mm. Cross-Reference OEM Part Numbers: Piston Kit 8055D150, Lock CW15, Pin WP032, Ring Set RSB5550.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"55.50mm"},{"label":"Variant Id","value":"257213"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock56159_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock56159_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56159_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56159_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56159_4.jpg"],"description":"Wossner forged piston kit for Suzuki RM125 models 1989-1999 with a 55.50mm bore. This piston offers high strength, superior heat transfer, and uniform load distribution. Its elliptical design minimizes localized stresses under high-temperature conditions, reducing the risk of piston collapse. Manufactured in Germany. Features: forged construction, optimized design for effective combustion chamber heat transfer, elliptical geometry for uniform pressure distribution. Specifications: Bore Size 55.50mm, Actual Piston Size 55.45mm, Display Capacity 123 cm³, Stroke 54.00mm, Clearance 0.05mm, Compression Ratio (Wossner) 2-stroke, Compression Ratio (OEM) 2-stroke, Compression Height 29.50mm. Cross-Reference OEM Part Numbers: Piston Kit 8055D150, Lock CW15, Pin WP032, Ring Set RSB5550.","descriptionMarkdown":"### Wossner Forged Piston Kit for Suzuki RM125 (1989-1999)\n\n Upgrade your Suzuki RM125's performance and reliability with this Wossner forged piston kit. Engineered for models from 1989 to 1999, this kit features a 55.50mm bore, ideal for oversize repairs, providing enhanced strength and durability.\n\n Wossner pistons are designed for superior heat transfer and uniform load distribution, minimizing stress under high-temperature operating conditions and reducing the risk of component failure. Precision manufactured in Germany, these pistons offer exceptional quality and performance.\n\n**Key Features:**\n\n \n- Forged construction for exceptional strength and longevity.\n \n- Optimized design for efficient combustion chamber heat management.\n \n- Elliptical geometry ensures balanced pressure distribution across the piston surface.\n \n- Manufactured to high standards in Germany.\n\n**Specifications:**\n\n \n- Bore Size: 55.50mm\n \n- Actual Piston Size: 55.45mm\n \n- Displacement: 123 cm&sup3;\n \n- Stroke: 54.00mm\n \n- Piston Clearance: 0.05mm\n \n- Compression Height: 29.50mm\n\n**Included Components:**\n\n \n- Piston Kit Reference: 8055D150\n \n- Lock Ring: CW15\n \n- Piston Pin: WP032\n \n- Ring Set: RSB5550","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-89-99-rm125-5550-wossner-8055d150-suzuki-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4c435d8634d4:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4c435d8634d4:1"}},"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."]}}