{"product_id":"koso-170cc-61mm-big-bore-kit-honda-grom-monkey-2014-2020","title":"Koso 170cc 61mm Big Bore Kit for 2014-2020 Honda Grom \u0026 Monkey 125","description":"\u003cp style=\"font-size: 17px; line-height: 1.5;\"\u003eStep up from the stock 125. Koso's kit brings a larger 61mm bore, taking the engine to about 170cc, with an 11.5:1 compression ratio meant to keep pump gas and everyday reliability.\u003c\/p\u003e\n\u003c!-- FITMENT --\u003e\n\u003cdiv style=\"border: 1px solid #121212; padding: 18px 20px; border-radius: 0; margin: 20px 0;\"\u003e\n\u003cp style=\"font-size: 13px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.04em; margin: 0 0 12px;\"\u003e🔍  Does this fit your bike?\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; font-size: 15px; line-height: 1.6;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda Grom 125, 2014-2020\u003c\/strong\u003e and Honda Monkey 125.\u003c\/li\u003e\n\u003cli\u003eKoso part number \u003cstrong\u003eMB623002\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot for 2021+ models\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- BEFORE YOU ORDER --\u003e\n\u003cdiv style=\"border: 1px solid #121212; padding: 18px 20px; border-radius: 0; margin: 20px 0;\"\u003e\n\u003cp style=\"font-size: 13px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.04em; margin: 0 0 12px;\"\u003e⚠️  Before you order\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; font-size: 15px; line-height: 1.6;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo returns on performance parts\u003c\/strong\u003e — please double-check your model year and fitment before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYou may need to modify your engine case\u003c\/strong\u003e to fit the larger cylinder.\u003c\/li\u003e\n\u003cli\u003eTuning, a gasket set and other supporting parts are recommended; installation is for experienced builders.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNot intended for use on public roads or land.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- WHAT'S INCLUDED --\u003e\n\u003cdiv style=\"border: 1px solid #121212; padding: 18px 20px; border-radius: 0; margin: 20px 0;\"\u003e\n\u003cp style=\"font-size: 13px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.04em; margin: 0 0 12px;\"\u003e✓  What's in the box\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; font-size: 15px; line-height: 1.6;\"\u003e\n\u003cli\u003eCeramic-coated cylinder\u003c\/li\u003e\n\u003cli\u003e61mm forged piston\u003c\/li\u003e\n\u003cli\u003ePiston rings and pin\u003c\/li\u003e\n\u003cli\u003eGasket kit\u003c\/li\u003e\n\u003cli\u003eBanjo bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- REVIEW: Supplier shows this item unavailable at time of scrape; high price, confirm stock before going live --\u003e\n\u003c\/div\u003e\n","brand":"Scooterworks","offers":[{"title":"Default Title","offer_id":67626793959653,"sku":"128-6","price":418.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1415\/0180\/files\/128-6.webp?v=1791412177","url":"https:\/\/www.rollingwrenchdenver.com\/products\/koso-170cc-61mm-big-bore-kit-honda-grom-monkey-2014-2020","provider":"Rolling Wrench","version":"1.0","type":"link"}