{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"d2663da22a11","name":"PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX","sku":"56-W726.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":115.06,"formatted":"£115.06"},"summary":"Wossner piston kit with a 54.02mm bore (+0.02mm oversize) for Yamaha YZ125 and WR125 models from 1998 to 2001. Features forged construction for exceptional strength, thermal efficiency, and reliability in high-performance two-stroke engines. The forged piston ensures durability. Its optimized design promotes efficient heat dissipation. The elliptical profile provides even load distribution and prevents piston collapse during thermal expansion. Manufactured in Germany for consistent performance and quality. Specifications: Bore size 54.02 mm, actual piston size 53.97 mm, displacement (cm³) 125, stroke (mm) 54.50, clearance (mm) 0.05, compression ratio 2-stroke (Wossner and OEM), compression height (mm) 28.00. Included components: Piston Wossner PN# 8091DC, lock PN# CW15, pin PN# WP032, ring set PN# RSB5400, rod PN# P2019. Weight 180g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.00mm"},{"label":"Variant Id","value":"257556"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock56502_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock56502_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56502_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56502_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock56502_4.jpg"],"description":"Wossner piston kit with a 54.02mm bore (+0.02mm oversize) for Yamaha YZ125 and WR125 models from 1998 to 2001. Features forged construction for exceptional strength, thermal efficiency, and reliability in high-performance two-stroke engines. The forged piston ensures durability. Its optimized design promotes efficient heat dissipation. The elliptical profile provides even load distribution and prevents piston collapse during thermal expansion. Manufactured in Germany for consistent performance and quality. Specifications: Bore size 54.02 mm, actual piston size 53.97 mm, displacement (cm³) 125, stroke (mm) 54.50, clearance (mm) 0.05, compression ratio 2-stroke (Wossner and OEM), compression height (mm) 28.00. Included components: Piston Wossner PN# 8091DC, lock PN# CW15, pin PN# WP032, ring set PN# RSB5400, rod PN# P2019. Weight 180g.","descriptionMarkdown":"### Wossner Piston Kit for Yamaha YZ125/WR125 (1998-2001)\n\nUpgrade your Yamaha YZ125 or WR125 engine with this high-performance Wossner piston kit. Engineered for durability and optimized for power, this kit is designed to enhance the performance of your two-stroke machine.\n\n#### Key Features:\n\n \n- Forged piston construction provides exceptional strength and reliability for demanding use.\n \n- Precision engineering ensures efficient heat dissipation from the combustion chamber to the cylinder wall, crucial for maintaining optimal engine temperatures.\n \n- An elliptical piston profile is incorporated to promote even load distribution across the piston surface, preventing piston collapse due to thermal expansion.\n \n- Manufactured in Germany, guaranteeing consistent quality and performance standards.\n\n#### Specifications:\n\n \n- Bore size: 54.02 mm\n \n- Actual piston size: 53.97 mm\n \n- Engine displacement: 125 cm&sup3;\n \n- Stroke: 54.50 mm\n \n- Clearance: 0.05 mm\n \n- Compression ratio: Compatible with 2-stroke Wossner and OEM specifications\n \n- Compression height: 28.00 mm\n\n#### Included Components:\n\n \n- Wossner Piston (Part # 8091DC)\n \n- Lock (Part # CW15)\n \n- Pin (Part # WP032)\n \n- Ring Set (Part # RSB5400)\n \n- Rod (Part # P2019)","weightGrams":null,"fitments":[{"make":"GAS-GAS","model":"MC 125","cc":null,"notes":null,"years":"2000–2001"},{"make":"GAS-GAS","model":"MX 125","cc":null,"notes":null,"years":"2000–2001"},{"make":"GASGAS","model":"EC 125","cc":null,"notes":null,"years":"2000–2001"},{"make":"YAMAHA","model":"YZ 125","cc":null,"notes":null,"years":"1996–2001"}],"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-98-01-yz125-5400-c-wossner-8091dc-yamaha-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/d2663da22a11:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/d2663da22a11:1"}},"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."]}}