{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"c5e5621b0562","name":"PISTON KIT 66.50 +0.50 1979-1981 YAMAHA DT175 OS","sku":"56-W254.050.AAA","brand":"No Brand","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":49.12,"formatted":"£49.12"},"summary":"PISTON KIT 66.50 +0.50 OS. This replacement piston is designed for Yamaha 175 cc two-stroke models and is mainly intended for the K models. Manufactured to precise standards for reliable rebuilds, it serves as a direct OEM replacement. High-grade materials for dependable service and consistent performance. Manufactured to exacting tolerances to support confident engine rebuilds. Meets or exceeds OEM quality. Direct OEM replacement. Cost-effective replacement component. Piston length: 68.9 mm. Crown edge to bottom skirt edge: 65 mm. Centre of pin to crown edge: 35.5 mm. Gudgeon pin size: 16 x 57 mm. Cross-Reference OEM Part Numbers: 2N5-11631-00, 2N5-11631-00-96, 2A7-11631-00-98, 443-11631-03-98.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"310135"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock114787_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock114787_1.jpg"],"description":"PISTON KIT 66.50 +0.50 OS. This replacement piston is designed for Yamaha 175 cc two-stroke models and is mainly intended for the K models. Manufactured to precise standards for reliable rebuilds, it serves as a direct OEM replacement. High-grade materials for dependable service and consistent performance. Manufactured to exacting tolerances to support confident engine rebuilds. Meets or exceeds OEM quality. Direct OEM replacement. Cost-effective replacement component. Piston length: 68.9 mm. Crown edge to bottom skirt edge: 65 mm. Centre of pin to crown edge: 35.5 mm. Gudgeon pin size: 16 x 57 mm. Cross-Reference OEM Part Numbers: 2N5-11631-00, 2N5-11631-00-96, 2A7-11631-00-98, 443-11631-03-98.","descriptionMarkdown":"### Piston Kit - 66.50mm Bore +0.50 Oversize\n\nThis high-quality piston kit is designed as an overbore replacement for 175cc two-stroke Yamaha engines, primarily for K models. Manufactured using premium materials and to precise tolerances, it ensures reliable performance and dependable service for your engine rebuild. This kit offers a cost-effective solution and serves as a direct OEM replacement, meeting or exceeding original equipment quality.\n\n**Key Features:**\n\n \n- Constructed with high-grade materials for durability and consistent performance.\n \n- Precision engineered to exact specifications for confident engine rebuilds.\n \n- Meets or exceeds OEM quality standards.\n \n- Direct replacement for original equipment.\n \n- Provides a cost-effective solution for engine repairs.\n \n- Designed for straightforward installation.\n\n**Specifications:**\n\n \n- Bore Size: 66.50mm (+0.50mm Oversize)\n \n- Piston Length: 68.9 mm\n \n- Crown Edge to Bottom Skirt Edge: 65 mm\n \n- Center of Pin to Crown Edge: 35.5 mm\n \n- Gudgeon Pin Size: 16 x 57 mm\n\n**OEM Cross-Reference Part Numbers:**\n\n \n- 2N5-11631-00\n \n- 2N5-11631-00-96\n \n- 2A7-11631-00-98\n \n- 443-11631-03-98\n\nAlways verify compatibility with your specific motorcycle model and refer to the provided images before ordering.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"DT 175","cc":null,"notes":null,"years":"1978–1981"}],"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-6650-050-1979-1981-yamaha-dt175-os","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/c5e5621b0562:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/c5e5621b0562:1"}},"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."]}}