{"product_id":"wiseco-pk1157-top-end-kit-standard-bore-40-00mm","title":"Wiseco PK1157 Top End Kit - Standard Bore 40.00mm","description":"Bore: 40.00mm\u003cbr\u003e Sizing: Standard Bore\u003cbr\u003e\u003cbr\u003eSPECIFICATIONS. \u003cbr\u003eDisplacement: 49cc. \u003cbr\u003eBore - Standard: 40.00mm. \u003cbr\u003eBore - Actual: 40.00mm. \u003cbr\u003eBore - Oversize: STD. \u003cbr\u003eStroke: 39.20mm. \u003cbr\u003eCylinders: 1. \u003cbr\u003eITEM CONTENTS. \u003cbr\u003e1574CD - 40.00 mm Ring Set. \u003cbr\u003e653M04000 - Yamaha PW50 83-15 1574CD. \u003cbr\u003eB1084 - Top End Bearing 10 x 14 x 12.5mm. \u003cbr\u003eCW10 - ROUND WIRE PIN LOCKS 10MM (PAIR). \u003cbr\u003eS630 - PistonPin 10 x 32.9mm NonChromed SW. \u003cbr\u003eW5531 - TopEnd Gskt Kit Yamaha PW50 85-15.\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\u003e1981-2009 Yamaha PW50\u003cbr\u003e 2012-2024 Yamaha PW50","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44006331940986,"sku":"4097139","price":161.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0004\/3312\/7455\/files\/e5b3abbc74557af13e43163021ce51e7_4092cbf4-f0da-4e9f-b156-1adfd7da9464.jpg?v=1764319307","url":"https:\/\/www.powersportsuperstore.com\/products\/wiseco-pk1157-top-end-kit-standard-bore-40-00mm","provider":"Powersport Superstore","version":"1.0","type":"link"}