{"product_id":"wiseco-pk1055-top-end-kit-0-50mm-oversize-to-71-50mm-8-7-1-compression","title":"Wiseco PK1055 Top End Kit - 0.50mm Oversize to 71.50mm, 8.7:1 Compression","description":"Bore: 71.50mm\u003cbr\u003e Compression: 8.7:1 Compression\u003cbr\u003e Sizing: 0.50mm Oversize\u003cbr\u003e\u003cbr\u003eSPECIFICATIONS. \u003cbr\u003eDisplacement: 233cc. \u003cbr\u003eBore - Standard: 71.00mm. \u003cbr\u003eBore - Actual: 71.50mm. \u003cbr\u003eBore - Oversize: 0.50mm. \u003cbr\u003eStroke: 58.00mm. \u003cbr\u003eCompression Ratio - Actual: 8.7:1. \u003cbr\u003eNote: Cylinder boring required. \u003cbr\u003eITEM CONTENTS. \u003cbr\u003e2815XC - 71.50 mm Ring Set. \u003cbr\u003e4675M07150 - Yamaha YFM250 Timberwolf 90-00 8.7:1 CR. \u003cbr\u003eCW18 - ROUND WIRE PIN LOCKS 18MM (PAIR). \u003cbr\u003eS278 - PistonPin 18mm x 2.472in. NonChromed TW. \u003cbr\u003eW5745 - TopEndGsktKit Yam YFM\/YFB250 90-09 73mm.\u003cbr\u003e \u003cbr\u003e Contains all the necessary components for overboring or rebuilding your top end. Feature forged pistons, rings, wrist pins, circlips and top end gasket set.\u003cbr\u003e\u003cbr\u003eVehicle Fitment:\u003cbr\u003e\u003cbr\u003e1992-1998 Yamaha YFB250 Timberwolf 2x4\u003cbr\u003e 1994-2000 Yamaha YFB250FW Timberwolf 4x4\u003cbr\u003e 2000-2002 Yamaha YFM250 Bear Tracker","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44096250413178,"sku":"4120979","price":256.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0004\/3312\/7455\/files\/8707e9f64a3c877405d85c487598b491_6e722201-e571-40ad-b560-fd294dd54fe6.jpg?v=1770288939","url":"https:\/\/www.powersportsuperstore.com\/products\/wiseco-pk1055-top-end-kit-0-50mm-oversize-to-71-50mm-8-7-1-compression","provider":"Powersport Superstore","version":"1.0","type":"link"}