{"product_id":"koso-150cc-big-bore-kit-honda-grom-monkey-2022-mb640000","title":"Koso North America 150cc Big Bore Kit for Honda Grom \u0026 Monkey 2022+ | MB640000","description":"\u003cp\u003ePush your Honda Grom or Monkey past stock limits with the Koso North America 150cc Big Bore Kit (MB640000). Engineered for 2022+ models, this kit bumps displacement to 150cc with a ceramic-coated aluminum cylinder and a 54mm forged piston — delivering more torque and top-end power while maintaining pump-gas reliability thanks to an 11.38:1 compression ratio.\u003c\/p\u003e\u003cp\u003eEverything you need is in the box: forged piston, piston ring, wrist pin, and a complete gasket kit. No exotic fuel required, no sacrificing street reliability.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDisplacement: 150cc\u003c\/li\u003e\n\u003cli\u003eCylinder material: Aluminum with ceramic coating\u003c\/li\u003e\n\u003cli\u003ePiston size: 54mm (forged)\u003c\/li\u003e\n\u003cli\u003eCompression ratio: 11.38:1\u003c\/li\u003e\n\u003cli\u003eKit includes: cylinder, piston, ring, pin, gasket kit\u003c\/li\u003e\n\u003cli\u003eFitment: Honda Grom® \u0026amp; Monkey® 2022+\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cem\u003eFor racing\/off-road use only. Not intended for street use. Koso is not responsible for any damages caused to parts, vehicle, or persons. Engine parts are not under warranty, nor is collateral damage or cost of labor in cases of malfunction.\u003c\/em\u003e\u003c\/p\u003e","brand":"Koso North America","offers":[{"title":"Default Title","offer_id":44223822004465,"sku":"MB640000","price":537.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/1348\/7857\/files\/koso-north-america-big-bore-kit-default-title-koso-north-america-150cc-big-bore-kit-honda-grom-monkey-2022-mb640000-22004465-33004665766129.jpg?v=1773630290","url":"https:\/\/howlingmoto.com\/products\/koso-150cc-big-bore-kit-honda-grom-monkey-2022-mb640000","provider":"Howling Moto","version":"1.0","type":"link"}