{"product_id":"piston-kit-98-01-yz125-55-00-wossner-8091d100-yamaha-mx","title":"Piston Kit 98-01 YZ125 55.00, Wossner 8091D100 Yamaha MX","description":"\u003cp\u003eThis Wossner piston kit with a 55.00mm bore (+1.00mm oversize) is designed for Yamaha YZ125 and WR125 models from 1998 to 2001. Manufactured in Germany, the forged piston ensures strength, uniform heat expansion, and reliable performance under two-stroke engine conditions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003eForged piston construction enhances strength and durability\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eEfficient heat transfer from combustion chamber to cylinder wall\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eElliptical design ensures even pressure distribution and minimises piston distortion\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eProduced in Germany for consistent quality and precision\u003c\/p\u003e \u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003eBore size: 55.00 mm\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eActual piston size: 54.95 mm\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eDisplay (cm³): 125\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eStroke (mm): 54.50\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eClearance (mm): 0.05\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eCompression ratio: 2-stroke (Wossner and OEM)\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eCompression height (mm): 28.00\u003c\/p\u003e \u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003e1998 Yamaha WR125\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e1998 Yamaha YZ125 Base\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e1999 Yamaha WR125\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e1999 Yamaha YZ125 Base\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e2000 Yamaha WR125\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e2000 Yamaha YZ125 Base\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e2001 Yamaha WR125\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e2001 Yamaha YZ125 Base\u003c\/p\u003e \u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003ePiston: Wossner PN# 8091D100\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eLock: PN# CW15\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003ePin: PN# WP032\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eRing Set: PN# RSB5500\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eRod: PN# P2019\u003c\/p\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- venture-connect-compatibility:start --\u003e\n\u003csection class=\"venture-connect-compatibility\"\u003e\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cp\u003ePlease check the exact model and year before ordering.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYAMAHA\u003c\/td\u003e\n\u003ctd\u003eYZ 125\u003c\/td\u003e\n\u003ctd\u003e1996-1997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYAMAHA\u003c\/td\u003e\n\u003ctd\u003eYZ 125\u003c\/td\u003e\n\u003ctd\u003e2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYAMAHA\u003c\/td\u003e\n\u003ctd\u003eYZ 125\u003c\/td\u003e\n\u003ctd\u003e1998-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYAMAHA\u003c\/td\u003e\n\u003ctd\u003eYZ 125\u003c\/td\u003e\n\u003ctd\u003e1998-2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGAS-GAS\u003c\/td\u003e\n\u003ctd\u003eMX 125\u003c\/td\u003e\n\u003ctd\u003e2000-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGAS-GAS\u003c\/td\u003e\n\u003ctd\u003eEC 125\u003c\/td\u003e\n\u003ctd\u003e2000-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYAMAHA\u003c\/td\u003e\n\u003ctd\u003eYZ 125\u003c\/td\u003e\n\u003ctd\u003e1997-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003c!-- venture-connect-compatibility:end --\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":57506631287164,"sku":"56-W726_100.WO","price":138.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3952\/8167\/files\/stock56506_1.jpg?v=1790483235","url":"https:\/\/radhouse.co.uk\/products\/piston-kit-98-01-yz125-55-00-wossner-8091d100-yamaha-mx","provider":"Radhouse","version":"1.0","type":"link"}