{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"c0716167abed","name":"PISTON KIT 88-91 DT200 66.40, WOSSNER 8070D040 YAMAHA DIRT","sku":"56-W599+040","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":144.97,"formatted":"£144.97"},"summary":"Wossner Forged Piston Kit 66.40mm Bore. This Wossner forged piston kit is designed for 2-stroke engines, offering a 66.40 mm bore and piston diameter of 66.34 mm (+0.40 mm oversize). The piston features forged construction and an elliptical profile to ensure optimal heat transfer and structural stability during high thermal expansion. Manufactured in Germany for consistent quality and performance. Features include forged piston for superior durability and strength, optimised heat transfer from combustion chamber to cylinder walls, elliptical design promotes even pressure distribution and reduces thrust stress, and made in Germany for precision engineering. Specifications include Bore Size: 66.40 mm, Piston Diameter: 66.34 mm, Engine Displacement: 195 cm³, Stroke: 57.00 mm, Clearance: 0.06 mm, Compression Height: 29.90 mm, Compression Ratio: 2-stroke (Wossner and OEM). Cross-reference Wossner part numbers: Piston Kit: 8070D040, Lock: CW16, Pin: WP027, Ring Set: RSB6640 x 2. Weight: 296g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"66.40mm"},{"label":"Variant Id","value":"257048"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55994_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55994_1.jpg"],"description":"Wossner Forged Piston Kit 66.40mm Bore. This Wossner forged piston kit is designed for 2-stroke engines, offering a 66.40 mm bore and piston diameter of 66.34 mm (+0.40 mm oversize). The piston features forged construction and an elliptical profile to ensure optimal heat transfer and structural stability during high thermal expansion. Manufactured in Germany for consistent quality and performance. Features include forged piston for superior durability and strength, optimised heat transfer from combustion chamber to cylinder walls, elliptical design promotes even pressure distribution and reduces thrust stress, and made in Germany for precision engineering. Specifications include Bore Size: 66.40 mm, Piston Diameter: 66.34 mm, Engine Displacement: 195 cm³, Stroke: 57.00 mm, Clearance: 0.06 mm, Compression Height: 29.90 mm, Compression Ratio: 2-stroke (Wossner and OEM). Cross-reference Wossner part numbers: Piston Kit: 8070D040, Lock: CW16, Pin: WP027, Ring Set: RSB6640 x 2. Weight: 296g.","descriptionMarkdown":"### Wossner Forged Piston Kit 66.40mm Bore\n\nThis Wossner forged piston kit is designed for 2-stroke engines, offering a 66.40 mm bore and piston diameter of 66.34 mm (+0.40 mm oversize). The piston features forged construction and an elliptical profile to ensure optimal heat transfer and structural stability during high thermal expansion. Manufactured in Germany for consistent quality and performance.\n\n### Key Features\n\n- Forged piston for superior durability and strength\n\n- Optimised heat transfer from combustion chamber to cylinder walls\n\n- Elliptical design promotes even pressure distribution and reduces thrust stress\n\n- Made in Germany for precision engineering\n\n### Specifications\n\n- Bore Size: 66.40 mm\n\n- Piston Diameter: 66.34 mm\n\n- Engine Displacement: 195 cm&sup3;\n\n- Stroke: 57.00 mm\n\n- Clearance: 0.06 mm\n\n- Compression Height: 29.90 mm\n\n- Compression Ratio: 2-stroke (Wossner and OEM)\n\n### Cross-Reference Wossner Part Numbers\n\n- Piston Kit: 8070D040\n\n- Lock: CW16\n\n- Pin: WP027\n\n- Ring Set: RSB6640 x 2","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-88-91-dt200-6640-wossner-8070d040-yamaha-dirt","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/c0716167abed:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/c0716167abed: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."]}}